Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
24/07/2024, 20:06
General
- Target a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.exe
- Size 798KB
- Sample240724-yvebqsxeph
- SHA256 a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4
Score
10/10
Malware Config
Extracted
Family
-
cobaltstrike
C2
-
http://150.158.75.38:19111/bangumi/play/ep816608
Attributes
-
user_agent
Host: www.bilibili.com Accept: application/xml;q=0.9,image/avif,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Cookie: token=TYGAelr7Vs8pYUEdf0pAKVf6BcqFCOPB;BIGipServerpool_9.29_5229=3314783417.22012.0000 User-Agent: Microsoft-CryptoAPI/10.0
Signatures
- Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.exe"C:\Users\Admin\AppData\Local\Temp\a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\write.exe"write" C:\Users\Admin\AppData\Local\Temp\a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.doc2⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files\Windows NT\Accessories\wordpad.exe"C:\Program Files\Windows NT\Accessories\wordpad.exe" C:\Users\Admin\AppData\Local\Temp\a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.doc3⤵
- Suspicious use of SetWindowsHookEx
-
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
a9579b5d3ba68d169058d43b9b9d033897d2e51aceb26f76aa2a250ca337b4e4.doc
memory/4800-1-0x0000028C4A100000-0x0000028C4A101000-memory.dmp