Analysis
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max time kernel
147s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28-11-2022 12:49
Static task
static1
Behavioral task
behavioral1
Sample
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe
Resource
win7-20220812-en
General
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Target
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe
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Size
134KB
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MD5
c1537ed56e98e1d94e45c12a1c3b1c22
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SHA1
130a399f36793ba7103b90ab8f0e8fb25521206a
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SHA256
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec
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SHA512
fadf810b40365730f01b8740d4a8222f4bc90eb04a44b8b9b2a536e809fda39ed9c7275f3cc1769cfeb4a7e2b3f61092bc5e39bde391eef8933c3a2b4e7f9be9
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SSDEEP
3072:OAsj8MBX8s0oXJMqmBF36Z3xOaWgw1o2SOBgkATMa8Xna6cjTbLe:OAsBZKqmj6uyw8OBgjF83anjPS
Malware Config
Signatures
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NetWire RAT payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1204-61-0x0000000000400000-0x000000000041E000-memory.dmp netwire behavioral1/memory/1204-63-0x0000000000400000-0x000000000041E000-memory.dmp netwire behavioral1/memory/1204-64-0x0000000000402196-mapping.dmp netwire behavioral1/memory/1204-67-0x0000000000400000-0x000000000041E000-memory.dmp netwire behavioral1/memory/1204-68-0x0000000000400000-0x000000000041E000-memory.dmp netwire -
Loads dropped DLL 1 IoCs
Processes:
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exepid process 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exedescription pid process target process PID 1424 set thread context of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 9 IoCs
Processes:
257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exedescription pid process target process PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe PID 1424 wrote to memory of 1204 1424 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe 257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nso63F4.tmp\serves.dllFilesize
11KB
MD59576386383f8385402e59e59f8238c97
SHA1af702cdec6cb3a6e8bfb9b9cdb11db78a9035ed9
SHA256daab235b0e3e44b9543635a00a1f808b34e60113fe118d6589201b30c4bd419d
SHA5122e97d3512a2208fbe3e2d53962e891694f4f8fc2775f3a7298a834538d445b7e8cdb01e46aa875cce31a954c1f69dfad6de9dba859ada547f9f5d183d7a45d21
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memory/1204-56-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-57-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-59-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-61-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-63-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-64-0x0000000000402196-mapping.dmp
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memory/1204-67-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1204-68-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1424-54-0x0000000076151000-0x0000000076153000-memory.dmpFilesize
8KB