Analysis
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max time kernel
120s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
16-12-2024 02:46
General
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Target
e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e.exe
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Size
3.5MB
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MD5
e7870cd0c30a52066c454c15a5a5a2f5
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SHA1
fc64203e05c104a116e7e4c354c9ee77c99737d6
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SHA256
e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e
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SHA512
3e0a40959eaba1fbf3cb7a11707bc658421f3066e4e1beea56088ac213c10524127d4d9e2500e549a1ee608887c113973892d54fb91fae6ea9db4eb9e818bebe
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SSDEEP
98304:sALvAvoV3JDBQSBK5f7a6uBt9iofavIa:smvvV5DpQ7a6ugoCvI
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Executes dropped EXE 1 IoCs
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Drops file in Program Files directory 2 IoCs
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Drops file in Windows directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e.exe"C:\Users\Admin\AppData\Local\Temp\e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e.exe"1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\aV5EmrSpqX.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\sppsvc.exe"C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\sppsvc.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
201B
MD5542c290ee15a6fdd24f637b0be81ffbb
SHA1fd43631d07a1a6d3583188ec84b45a5fcfa2fa70
SHA256ce71cdc4e58adc482a558dfcc62fe027d301ffcd2fa8501f90f4f31168810b6c
SHA512a82fe9a18c742044726c8289200438c6b4a2753089173d15f50d696755b0306b5276fa1425e4c8dec8712d20069883a2c400460595204daf94765cca0d211638
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Filesize
3.5MB
MD5e7870cd0c30a52066c454c15a5a5a2f5
SHA1fc64203e05c104a116e7e4c354c9ee77c99737d6
SHA256e4a958444e72eb1b3be02f3a8bf29044a81f328405a4969a4f66515ef219774e
SHA5123e0a40959eaba1fbf3cb7a11707bc658421f3066e4e1beea56088ac213c10524127d4d9e2500e549a1ee608887c113973892d54fb91fae6ea9db4eb9e818bebe
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Filesize
3.6MB
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Filesize
88KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
72KB
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Filesize
9.9MB
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Filesize
56KB
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Filesize
112KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
64KB
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Filesize
96KB
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Filesize
64KB
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Filesize
9.9MB
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Filesize
64KB
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Filesize
56KB
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Filesize
72KB
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Filesize
64KB
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Filesize
4KB
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Filesize
152KB
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Filesize
9.9MB
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Filesize
56KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
9.9MB
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Filesize
360KB
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Filesize
56KB
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Filesize
64KB
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Filesize
56KB
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Filesize
96KB
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Filesize
48KB
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Filesize
312KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
3.6MB