Analysis
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max time kernel
123s -
max time network
136s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
15-02-2022 12:27
Static task
static1
Behavioral task
behavioral1
Sample
6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe
-
Size
628KB
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MD5
761674fa96c65b579d2918c740712e19
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SHA1
ff96a97efdd1e9bc2c1c8ae5a6650fbf314b79bb
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SHA256
6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6
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SHA512
68ad01b44293b2380f1a0560ccbf53b06d82bd526a3c5179ce9697a24331159810380606ee9a51706abac076d3a7dce7c7de7943ac076372c1613f17a22c63a2
Malware Config
Extracted
Family
vidar
Version
48.2
Botnet
933
C2
https://koyu.space/@qmashton
Attributes
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profile_id
933
Signatures
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Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1636-56-0x0000000001D90000-0x0000000001E65000-memory.dmp family_vidar behavioral1/memory/1636-57-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 540 1636 WerFault.exe 6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 540 WerFault.exe 540 WerFault.exe 540 WerFault.exe 540 WerFault.exe 540 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 540 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 540 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exedescription pid process target process PID 1636 wrote to memory of 540 1636 6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe WerFault.exe PID 1636 wrote to memory of 540 1636 6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe WerFault.exe PID 1636 wrote to memory of 540 1636 6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe WerFault.exe PID 1636 wrote to memory of 540 1636 6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe"C:\Users\Admin\AppData\Local\Temp\6f20e8f1b4514204c76ee6ac5fccf35e637546bdd9f8739b709d66dd3748e3c6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 13002⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/540-58-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/1636-54-0x0000000076421000-0x0000000076423000-memory.dmpFilesize
8KB
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memory/1636-55-0x00000000002C0000-0x000000000033B000-memory.dmpFilesize
492KB
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memory/1636-56-0x0000000001D90000-0x0000000001E65000-memory.dmpFilesize
852KB
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memory/1636-57-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB