Analysis
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max time kernel
156s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2023 09:52
Behavioral task
behavioral1
Sample
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe
Resource
win10v2004-20230703-en
General
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Target
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe
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Size
115KB
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MD5
afd5d29bfcddb00b11a869fd2016282d
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SHA1
0de3328c8a0dce66d17765665b29662de75e5d15
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SHA256
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748
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SHA512
ce3aaf59162768087bbb34de0767c74ee05e8f13a19559c49896f5249d36900ee14270ade74964c8cd3d8b6bcf684002cf3bddc8d14856907d2b2b2d0026f133
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SSDEEP
3072:MJZKnPE2YyJzELtyThyYeY8lNgoiJ+sX8HFvytb3Nu:MJZKBI0hyYeY4eoiJ+sCFvC
Malware Config
Signatures
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VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
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Vanilla Rat payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4368-133-0x0000000000620000-0x0000000000642000-memory.dmp vanillarat C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe vanillarat C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe vanillarat C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe vanillarat behavioral2/memory/1608-155-0x0000000005770000-0x0000000005780000-memory.dmp vanillarat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe -
Executes dropped EXE 1 IoCs
Processes:
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exepid process 1608 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748 = "C:\\Users\\Admin\\AppData\\Roaming\\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe" 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exedescription pid process Token: SeDebugPrivilege 4368 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exedescription pid process target process PID 4368 wrote to memory of 1608 4368 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe PID 4368 wrote to memory of 1608 4368 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe PID 4368 wrote to memory of 1608 4368 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe 38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe"C:\Users\Admin\AppData\Local\Temp\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe"C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exeFilesize
115KB
MD5afd5d29bfcddb00b11a869fd2016282d
SHA10de3328c8a0dce66d17765665b29662de75e5d15
SHA25638194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748
SHA512ce3aaf59162768087bbb34de0767c74ee05e8f13a19559c49896f5249d36900ee14270ade74964c8cd3d8b6bcf684002cf3bddc8d14856907d2b2b2d0026f133
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C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exeFilesize
115KB
MD5afd5d29bfcddb00b11a869fd2016282d
SHA10de3328c8a0dce66d17765665b29662de75e5d15
SHA25638194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748
SHA512ce3aaf59162768087bbb34de0767c74ee05e8f13a19559c49896f5249d36900ee14270ade74964c8cd3d8b6bcf684002cf3bddc8d14856907d2b2b2d0026f133
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C:\Users\Admin\AppData\Roaming\38194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748.exeFilesize
115KB
MD5afd5d29bfcddb00b11a869fd2016282d
SHA10de3328c8a0dce66d17765665b29662de75e5d15
SHA25638194b42cc180ab72aed1256447bec9b8b65910241e5a2b97ac29b0c12d95748
SHA512ce3aaf59162768087bbb34de0767c74ee05e8f13a19559c49896f5249d36900ee14270ade74964c8cd3d8b6bcf684002cf3bddc8d14856907d2b2b2d0026f133
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memory/1608-150-0x0000000074EC0000-0x0000000075670000-memory.dmpFilesize
7.7MB
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memory/1608-152-0x0000000005770000-0x0000000005780000-memory.dmpFilesize
64KB
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memory/1608-153-0x0000000009BB0000-0x0000000009C16000-memory.dmpFilesize
408KB
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memory/1608-154-0x0000000074EC0000-0x0000000075670000-memory.dmpFilesize
7.7MB
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memory/1608-155-0x0000000005770000-0x0000000005780000-memory.dmpFilesize
64KB
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memory/4368-137-0x0000000005230000-0x0000000005240000-memory.dmpFilesize
64KB
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memory/4368-138-0x0000000005050000-0x000000000505A000-memory.dmpFilesize
40KB
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memory/4368-136-0x00000000050A0000-0x0000000005132000-memory.dmpFilesize
584KB
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memory/4368-135-0x0000000005650000-0x0000000005BF4000-memory.dmpFilesize
5.6MB
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memory/4368-134-0x0000000074EC0000-0x0000000075670000-memory.dmpFilesize
7.7MB
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memory/4368-133-0x0000000000620000-0x0000000000642000-memory.dmpFilesize
136KB
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memory/4368-151-0x0000000074EC0000-0x0000000075670000-memory.dmpFilesize
7.7MB