Analysis
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max time kernel
149s -
max time network
88s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
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submitted
06/11/2022, 14:52
General
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Target
5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe
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Size
907KB
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MD5
19e3e6a3c55a4a9183ced01c7ea1272a
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SHA1
640eb2c5848755aea9095a84a61a24736482a63d
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SHA256
5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634
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SHA512
0ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d
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SSDEEP
24576:+AEENIq8XwyVPQclDq/+WnpsSjJCYkkX5zA:+AEsw722Wn1JlFA
Malware Config
Signatures
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Windows security bypass 2 TTPs 1 IoCs
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Executes dropped EXE 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL 2 IoCs
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Windows security modification 2 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Suspicious use of AdjustPrivilegeToken 46 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe"C:\Users\Admin\AppData\Local\Temp\5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe"C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe"2⤵
- Windows security bypass
- Executes dropped EXE
- Checks BIOS information in registry
- Windows security modification
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
907KB
MD519e3e6a3c55a4a9183ced01c7ea1272a
SHA1640eb2c5848755aea9095a84a61a24736482a63d
SHA2565f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634
SHA5120ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d
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Filesize
907KB
MD519e3e6a3c55a4a9183ced01c7ea1272a
SHA1640eb2c5848755aea9095a84a61a24736482a63d
SHA2565f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634
SHA5120ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d
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Filesize
907KB
MD519e3e6a3c55a4a9183ced01c7ea1272a
SHA1640eb2c5848755aea9095a84a61a24736482a63d
SHA2565f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634
SHA5120ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d
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Filesize
8KB