- First seen
- Last seen
Indicator overview
INDICATOR PROFILEThe VirusSign analysis is supported by the detection, confidence, classification and relationship signals available for this indicator.
- SHA256
839cdf4c00e5ff564f8337aba16ad7bbe8f02edd2b5c908b5daca31d88a6cdd1- SHA1
16e78547a444f6aac6ca9848f01c9bd9a8ddf133- MD5
fcc5598a3fe4cc5b88b7ee2f1d56eb63- Filename
- 839cdf4c_utm-guest-tools-0.1.271.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 78488152
- Compile time
- 2024-03-30T16:55:19Z
- PE platform
- x86 32-bit
- PE sections
- 5
Connected context
Key findings
OBSERVED EVIDENCEReview the detections and related infrastructure.
Suspicious. A limited set of engine detections is present (5%).
16 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
Analysis signals
OBSERVEDExpand a connection to run an additional public query. This page allows up to 3 expansions; each counts toward your query limit.
Compare when indicators were first seen, last seen and observed. Switch to Lifecycle to connect events for the same IOC.
Review approximate infrastructure locations and geographic concentration.
No observations in this view
Available evidence appears in the other investigation lenses.
Visible connections
Related intelligence
Pivot across connected files and infrastructure with analysis signals and supporting context.
Parent files
Files that may have delivered, loaded, or executed this indicator.
Dropped / child files
Files dropped, bundled, or created by the queried file.
Related IPs
Network IPs associated with this indicator.
Related domains
Domains associated with this indicator.
Analysis details
Freshness: Historical · Last seen 185 days ago.
- Detection rate
- 5%
- detection
- 5 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
839cdf4c00e5ff564f8337aba16ad7bbe8f02edd2b5c908b5daca31d88a6cdd1- SHA1
16e78547a444f6aac6ca9848f01c9bd9a8ddf133- MD5
fcc5598a3fe4cc5b88b7ee2f1d56eb63- Filename
- 839cdf4c_utm-guest-tools-0.1.271.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 78488152
- Compile time
- 2024-03-30T16:55:19Z
- PE platform
- x86 32-bit
- PE sections
- 5
- Import libraries
- 7
- TLSH
T1F108332DD619C425CC7C9BBFCAFFA451378F9B9BA3A8C5350106C72F693E226B540612- SSDEEP
1572864:InDAZLuylRcBOK2bCeEnLhxJE3+WnCunBCiwJf2UyG+cRVv6/G:In2CkWHaCDxJ5boc+u- Imphash
9dda1a1d1f8a1d13ae0297b47046b26e- Richhash
ea665d1587c4e6a30af5ae0282aa3786- First seen
- 2025-07-29T01:13:13Z
- Last seen
- 2026-05-14T07:31:08Z
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Review the detections and related infrastructure.
Suspicious. A limited set of engine detections is present (5%).
16 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
17 timestamped observations are arranged from 2020-11-20 to 2026-06-17. These are observation or metadata times, not execution order.
5 infrastructure/location point(s) are visible on the map.
Last seen 185 days ago. Revalidate volatile infrastructure before enforcement.
Why this verdict
Review the reported detections, analysis confidence and supporting context.
The VirusSign analysis is supported by the detection, confidence, classification and relationship signals available for this indicator.
Reported engine detection rate. A low rate alone does not establish that the indicator is benign.
4 relationship group(s) provide pivot and infrastructure context.
Last seen 185 days ago.
Signals reflect the intelligence returned in this report. Missing values mean not reported, not zero. Related indicators are investigation leads, not proof of shared malicious activity.
File profile
summarySelected file intelligence summary.
- Filename
- 839cdf4c_utm-guest-tools-0.1.271.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 78488152
- Compile time
- 2024-03-30T16:55:19Z
- PE platform
- x86 32-bit
- Entry point
- 13925
- Sections
- 5
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- A file with an unusual extension was attempted to be loaded as a DLL.
- Anomalous binary characteristics
- Anomalous file deletion behavior detected (10+)
- At least one IP Address, Domain, or File Name was found in a crypto call
- Attempts to connect to a dead IP:Port (2 unique times)
View MITRE ATT&CK details · 5 shown
- T1071 — Anomalous binary characteristicsTactics: TA0011
- T1485 — Anomalous file deletion behavior detected (10+)Tactics: TA0040
- T1036 · T1055 — Attempts to make a network connection via suspicious processTactics: TA0004 · TA0005
- T1082 — Checks available memoryTactics: TA0007
- T1543.003 — Created a service that was not startedTactics: TA0003 · TA0004
View MBC details · 5 shown
- Anti-Behavioral AnalysisObjectives: OB0001
- E1010 — Application Window DiscoveryObjectives: OB0007
- F0013 — BootkitObjectives: OB0006 · OB0012
- C0032.001 — CRC32Objectives: OC0004
- B0009.005 — Check Registry KeysObjectives: OB0001
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
- 5 outbound connections observed
- 0 domains, 5 IPs, 0 URLs
- Common ports: 443, 80, 53
- Protocols: TCP, UDP
View details · 5 shown
- IP
- 23.216.147.41
- Port
- 443
- Protocol
- TCP
- IP
- 23.196.145.221
- Port
- 80
- Protocol
- TCP
- IP
- 217.20.54.38
- Port
- 80
- Protocol
- TCP
- IP
- 20.99.133.109
- Port
- 443
- Protocol
- TCP
- IP
- 162.159.36.2
- Port
- 53
- Protocol
- UDP
- 5+ DNS requests observed
- 5+ unique queries
- 5+ response IPs
- Query types: A
- Response codes: NOERROR
View details · 5 shown
- Query
- windows.msn.com-ion.edgesuite.net
- Query
- res.public.onecdn.static.microsoft
- Type
- A
- Answers
- 23.216.147.41, 23.216.147.22, 23.216.147.23, 23.216.147.7, 23.216.147.32, 23.216.147.6, 23.216.147.35, 23.216.147.37 …
- Response
- NOERROR
- Query
- nexusrules.officeapps.live.com
- Type
- A
- Answers
- 52.111.227.14
- Response
- NOERROR
- Query
- cl-glcb907925.globalcdn.co
- Type
- A
- Answers
- 92.223.96.6
- Response
- NOERROR
- Query
- bg.microsoft.map.fastly.net
- Type
- A
- Answers
- 199.232.210.172, 199.232.214.172
- Response
- NOERROR
File structure
selected detailsSelected observations and details. Additional structured data are available through API and data access.
- Platform: x86 32-bit
- Sections: 5
- Entry point: present
- Compile time: 2024-03-30T16:55:19Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 13925
- Sections
- 5
- Compile time
- 2024-03-30T16:55:19Z
- 5 PE sections
- Common permissions: r, rw, rx
- 5 unique section names
View details · 5 shown
- Name
- .text
- Virtual address
- 4096
- Virtual size
- 26327
- Raw size
- 26624
- Permissions
- rx
- Entropy
- 6.44
- Name
- .rdata
- Virtual address
- 32768
- Virtual size
- 4952
- Raw size
- 5120
- Permissions
- r
- Entropy
- 5.1
- Name
- .data
- Virtual address
- 40960
- Virtual size
- 129912
- Raw size
- 1536
- Permissions
- rw
- Entropy
- 4.12
- Name
- .ndata
- Virtual address
- 172032
- Virtual size
- 147456
- Raw size
- 0
- Permissions
- rw
- Entropy
- 0.0
- Name
- .rsrc
- Virtual address
- 319488
- Virtual size
- 16888
- Raw size
- 16896
- Permissions
- r
- Entropy
- 6.04
- 5+ import DLL groups
- 5+ imported functions summarized
View details · 5 shown
- Library
- ADVAPI32.dll
- Functions
- AdjustTokenPrivileges, LookupPrivilegeValueW, OpenProcessToken, RegCloseKey, RegCreateKeyExW, RegDeleteKeyW, RegDeleteValueW, RegEnumKeyW …
- Library
- SHELL32.dll
- Functions
- SHBrowseForFolderW, ShellExecuteExW, SHFileOperationW, SHGetFileInfoW, SHGetPathFromIDListW
- Library
- ole32.dll
- Functions
- CoCreateInstance, CoTaskMemFree, IIDFromString, OleInitialize, OleUninitialize
- Library
- COMCTL32.dll
- Functions
- ImageList_AddMasked, ImageList_Create, ImageList_Destroy, Ord(17)
- Library
- USER32.dll
- Functions
- AppendMenuW, BeginPaint, CallWindowProcW, CharNextA, CharNextW, CharPrevW, CheckDlgButton, CloseClipboard …
- 5+ resources
- Resource types: RT_ICON, RT_DIALOG, RT_GROUP_ICON, RT_MANIFEST
View details · 4 shown
- Type
- RT_ICON
- Language
- ENGLISH US
- Type
- RT_DIALOG
- Language
- ENGLISH US
- Type
- RT_GROUP_ICON
- Language
- ENGLISH US
- Type
- RT_MANIFEST
- Language
- ENGLISH US