Analysis
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max time kernel
144s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
30-01-2025 03:37
General
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Target
d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454.exe
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Size
1.9MB
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MD5
b8ec608361912ca3c3eee53a31d482a3
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SHA1
1c48c9d1e58f98fb778bebe88950350e12705070
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SHA256
d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454
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SHA512
442b548d094852b95695eca27f2a2e26acbb71b85a45ce8c17a192a10506076f7bb88216ab38790218e403b4305b84572b33de826623cf68a9a65abc87287bf6
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SSDEEP
24576:MYAO3n8MjQTrnPQt62BYDA4yaOBGz62J8KROioT8t/ksGKQhum8dCVrHECa0WOID:MYrn7bT4yaOBu8KRON6JGKU7WOL
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops file in Program Files directory 3 IoCs
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Drops file in Windows directory 4 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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Modifies registry class 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454.exe"C:\Users\Admin\AppData\Local\Temp\d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- 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\wcgGHqFXuD.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:\Users\Admin\AppData\Local\Temp\d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454.exe"C:\Users\Admin\AppData\Local\Temp\d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454.exe"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- 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
1KB
MD51eff74e45bb1f7104e691358cb209546
SHA1253b13ffad516cc34704f5b882c6fa36953a953f
SHA2567ad96be486e6058b19446b95bb734acdaf4addc557b2d059a66ee1acfe19b3fc
SHA51244163ed001baf697ce66d3b386e13bf5cb94bc24ce6b1ae98665d766d5fcdf0ca28b41ecc26c5f11bbea117ac17099e87f204f9d5469bb102a769548edeead7e
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Filesize
230B
MD57ff3bcf685133d93c7c422d397d4e49b
SHA10a020b7041db13eb858adf6a18a7f3ea33b74d85
SHA256414732d1e9cd0c7e89a2b67fdcadcd3f05d5f70ff564502b97804f3378857a3d
SHA512ff92beb2b9e0be6fe0c607cd4fd53e8707d3e6a1129e28353cb8970ebe6676fbe5dc7803cde43c9216d87ad144ab87951fc73e8bdde77c6d27a9e427f66e512e
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Filesize
1.9MB
MD5b8ec608361912ca3c3eee53a31d482a3
SHA11c48c9d1e58f98fb778bebe88950350e12705070
SHA256d7b59ed6536dbccd08c10abf5c2064babac20666844909cf1fa94ce9159eb454
SHA512442b548d094852b95695eca27f2a2e26acbb71b85a45ce8c17a192a10506076f7bb88216ab38790218e403b4305b84572b33de826623cf68a9a65abc87287bf6
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Filesize
820KB
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Filesize
10.8MB
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Filesize
48KB
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Filesize
10.8MB
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Filesize
112KB
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Filesize
320KB
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Filesize
96KB
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Filesize
48KB
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Filesize
56KB
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Filesize
8KB
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Filesize
56KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
820KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
1.9MB