- First seen
- Last seen
THREAT SIGNALMedium
Read alongside the verdict
Indicator overview
INDICATOR PROFILEVirusSign reports high analysis confidence alongside a low or unreported engine detection rate. These are different measures; review the supporting classification and relationships.
- SHA256
3ea372ab04e4e973dc277024ec7196f4606cfe12666ccba7b375c3489319991e- SHA1
c36721c76b161f6e06ba128ed0a0e5fa843d7e6c- MD5
fa49d38a2c66fef3d4fdd67ebc3e8ff6- Filename
- 3ea372ab_vaultlock_selftest.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 246784
- Compile time
- 2026-10-09T16:35:37Z
- PE platform
- x64 64-bit
- PE sections
- 9
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
High-confidence evidence. Related indicators in this report: 2. Review the supporting evidence before taking action.
Detection signal
Malicious. A limited set of engine detections is present (29%).
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections29%
VirusSign confidence100%
Relationship context2 visible
Threat classificationhydracrypt
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Graph filters
Saved investigations
Compare when indicators were first seen, last seen and observed. Switch to Lifecycle to connect events for the same IOC.
Commonalities
RELATIONSHIP CONSTELLATION
No observations in this view
Available evidence appears in the other investigation lenses.
SELECT A NODE TO EXPLORE
FILEDOMAINIPURL
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.
1shown
27%
critical
zip
445103 bytes
contains
Filename
b8104f0c_ransomware.zip.bin
Family
hydracrypt
Type
ransomware
File type
zip
MIME
application/zip
Dropped / child files
Files dropped, bundled, or created by the queried file.
1shown
0%
isoimage
512 bytes
contains
Filename
076a27c7_[25].bin
Type
malware
File type
isoimage
MIME
application/octet-stream
Size
512
Analysis details
Severity: criticalransomware64bitexeransomobfuscated
Freshness: Recent · Last seen 27 days ago.
- Detection rate
- 29%
- Threat type
- ransomware
- Family
- hydracrypt
- Confidence
- 100%
- confidence
- 100 · VirusSign confidence; engine detections are reported separately.
Overview
- SHA256
3ea372ab04e4e973dc277024ec7196f4606cfe12666ccba7b375c3489319991e- SHA1
c36721c76b161f6e06ba128ed0a0e5fa843d7e6c- MD5
fa49d38a2c66fef3d4fdd67ebc3e8ff6- Filename
- 3ea372ab_vaultlock_selftest.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 246784
- Compile time
- 2026-10-09T16:35:37Z
- PE platform
- x64 64-bit
- PE sections
- 9
- Import libraries
- 7
- TLSH
T17A342847E2D31DFCC517C13982E69336A971BC5D0330EA2B1A95DB372E23B909A59F21- SSDEEP
6144:x6bPTDSkdyTTICGdtv1nbhxuDrN9AqT39i8Q2UNJx:xUb/dyPICGdtv1nbhxuDLT3hQT- Imphash
fed96e10d2efb5ef701c817b0ac8ec66- First seen
- 2026-10-12T00:10:00Z
- Last seen
- 2026-10-18T21:31:36Z
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Analysis takeaway
High-confidence evidence. Related indicators in this report: 2. Review the supporting evidence before taking action.
Detection signal
Malicious. A limited set of engine detections is present (29%).
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type ransomware and family hydracrypt.
Relationship context
2 related indicators are shown across 2 relationship group(s).
Observation timeline
3 timestamped observations are arranged from 2007-03-01 to 2026-10-11. These are observation or metadata times, not execution order.
Why this verdict
Review the reported detections, analysis confidence and supporting context.
VirusSign reports high analysis confidence alongside a low or unreported engine detection rate. These are different measures; review the supporting classification and relationships.
Reported engine detection rate. A low rate alone does not establish that the indicator is benign.
VirusSign analysis confidence; separate from detection rate and actor-association confidence.
2 relationship group(s) provide pivot and infrastructure context.
Classification context: type ransomware, family hydracrypt.
Last seen 27 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
- 3ea372ab_vaultlock_selftest.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 246784
- Compile time
- 2026-10-09T16:35:37Z
- PE platform
- x64 64-bit
- Entry point
- 5184
- Sections
- 9
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- A DLL was loaded from a suspicious directory
- Anomalous file deletion behavior detected (10+)
- Authenticode signature is invalid
- Binary contains paths to development resources
- Binary file triggered multiple YARA rules
5 shown
View MITRE ATT&CK details · 5 shown
- T1574 — A DLL was loaded from a suspicious directoryTactics: TA0002 · TA0005
- T1485 — Anomalous file deletion behavior detected (10+)Tactics: TA0040
- T1036 · T1553.002 — Authenticode signature is invalidTactics: TA0005 · TA0112
- T1071 — Binary file triggered multiple YARA rulesTactics: TA0011
- T1055 — Contains .tls (Thread Local Storage) sectionTactics: TA0004 · TA0005
5 shown
View MBC details · 5 shown
- C0007 — Allocate MemoryObjectives: OC0002
- C0043 — Check MutexObjectives: OC0003
- CommunicationObjectives: OC0006
- C0045 — Copy FileObjectives: OC0001
- C0046 — Create DirectoryObjectives: OC0001
5 shown
File structure
selected detailsSelected observations and details. Additional structured data are available through API and data access.
PE header1
platform x64 64-bit5+ sections
- Platform: x64 64-bit
- Sections: 5+
- Entry point: present
- Compile time: 2026-10-09T16:35:37Z
View details · 1 shown
- Platform
- x64 64-bit
- Entry point
- 5184
- Sections
- 9
- Compile time
- 2026-10-09T16:35:37Z
PE sections5+
5+ sections
- 5+ PE sections
- Common permissions: r, rw, rx
- 5+ unique section names
View details · 5 shown
- Name
- .text
- Virtual address
- 4096
- Virtual size
- 186768
- Raw size
- 186880
- Permissions
- rx
- Entropy
- 6.24
- Name
- .data
- Virtual address
- 192512
- Virtual size
- 1824
- Raw size
- 2048
- Permissions
- rw
- Entropy
- 2.8
- Name
- .rdata
- Virtual address
- 196608
- Virtual size
- 24408
- Raw size
- 24576
- Permissions
- r
- Entropy
- 5.32
- Name
- .pdata
- Virtual address
- 221184
- Virtual size
- 12192
- Raw size
- 12288
- Permissions
- r
- Entropy
- 5.47
- Name
- .xdata
- Virtual address
- 233472
- Virtual size
- 11380
- Raw size
- 11776
- Permissions
- r
- Entropy
- 4.47
5 shown
Imports5+
5+ DLL groups
- 5+ import DLL groups
- 5+ imported functions summarized
View details · 5 shown
- Library
- ADVAPI32.dll
- Functions
- AdjustTokenPrivileges, LookupPrivilegeValueW, OpenProcessToken, RegCloseKey, RegCreateKeyExW, RegSetValueExW
- Library
- bcrypt.dll
- Functions
- BCryptCloseAlgorithmProvider, BCryptDecrypt, BCryptDestroyKey, BCryptEncrypt, BCryptGenerateSymmetricKey, BCryptGenRandom, BCryptGetProperty, BCryptImportKeyPair …
- Library
- GDI32.dll
- Functions
- CreateCompatibleDC, CreateDIBSection, CreateFontW, CreateSolidBrush, DeleteDC, DeleteObject, GdiFlush, SelectObject …
- Library
- KERNEL32.dll
- Functions
- CloseHandle, CopyFileW, CreateDirectoryW, CreateEventA, CreateFileW, CreateMutexW, CreateProcessW, CreateToolhelp32Snapshot …
- Library
- msvcrt.dll
- Functions
- ___lc_codepage_func, ___mb_cur_max_func, __C_specific_handler, __iob_func, __set_app_type, __setusermatherr, __wgetmainargs, __winitenv …
5 shown