Analysis
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max time kernel
130s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
03-11-2024 17:26
General
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Target
314420BAC969BCFB9510A0E8CC3686D6.exe
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Size
675KB
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MD5
314420bac969bcfb9510a0e8cc3686d6
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SHA1
66f1d0a60a2727970476a105c88883f37270e30f
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SHA256
38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26
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SHA512
debf908add95aa0849451aef830e5e71724247d352dcb5dad6b02dca0d54e4e915a9430de80d970a4e7ef3749eb2fc7c6fa7839348d84f546d5934d713e7569c
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SSDEEP
12288:C9X1yJ7/pZY7fiCI/YBfULiXPrQfkXmm1RhdLB9XFy+nM6D+:CVc7EaCQYBfcE1ZM6D+
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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DCRat payload 3 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 2 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\314420BAC969BCFB9510A0E8CC3686D6.exe"C:\Users\Admin\AppData\Local\Temp\314420BAC969BCFB9510A0E8CC3686D6.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\vsApxgBUEm.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵
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C:\Windows\BitLockerDiscoveryVolumeContents\explorer.exe"C:\Windows\BitLockerDiscoveryVolumeContents\explorer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- 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
675KB
MD5314420bac969bcfb9510a0e8cc3686d6
SHA166f1d0a60a2727970476a105c88883f37270e30f
SHA25638b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26
SHA512debf908add95aa0849451aef830e5e71724247d352dcb5dad6b02dca0d54e4e915a9430de80d970a4e7ef3749eb2fc7c6fa7839348d84f546d5934d713e7569c
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Filesize
232B
MD5782cd8dd76e0e8f9f09380f102d4f81b
SHA12efde57193f661045b2b2428bcb65420c959e9d7
SHA25690de29dc93724f976c989eb6faedaf6f5abc9c320381cd387c8b7261fb497dd4
SHA5125d1ec679e1bc3512a7345c8de020c5d0b1b795c2a7a50c224817fc1063ad386a55980953e102c6b4887122013c4b841b3d98472ff8b0e000dc338b78c35bff30
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Filesize
4KB
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Filesize
704KB
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Filesize
9.9MB
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Filesize
112KB
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Filesize
9.9MB
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Filesize
96KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
704KB