Analysis
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max time kernel
121s -
max time network
142s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
15-02-2022 15:59
Static task
static1
Behavioral task
behavioral1
Sample
04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe
-
Size
679KB
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MD5
8e998231db502501ae9d1340717c5e93
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SHA1
852e491a3a3e61e5fa85927c7cb39c1618f61e0c
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SHA256
04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c
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SHA512
b8a2beffcc5a7cdf6e4b2ce91de592a97cef45f6813198e457c979f57949276d8aa1b4077243d064c00913c900c8ff3c5c27abb199bc9f9941eee4ce9ac9a8d8
Malware Config
Extracted
Family
vidar
Version
48.5
Botnet
937
C2
https://koyu.space/@tttaj
Attributes
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profile_id
937
Signatures
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Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1288-56-0x0000000001D00000-0x0000000001DD5000-memory.dmp family_vidar behavioral1/memory/1288-57-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 624 1288 WerFault.exe 04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 624 WerFault.exe 624 WerFault.exe 624 WerFault.exe 624 WerFault.exe 624 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 624 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 624 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exedescription pid process target process PID 1288 wrote to memory of 624 1288 04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe WerFault.exe PID 1288 wrote to memory of 624 1288 04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe WerFault.exe PID 1288 wrote to memory of 624 1288 04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe WerFault.exe PID 1288 wrote to memory of 624 1288 04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe"C:\Users\Admin\AppData\Local\Temp\04927fb6b7abf7ff94b7b5f3ae72a3745d19e6e7088763e3e121b9f54a5d905c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 13402⤵
- 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/624-58-0x0000000000300000-0x0000000000301000-memory.dmpFilesize
4KB
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memory/1288-54-0x0000000075471000-0x0000000075473000-memory.dmpFilesize
8KB
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memory/1288-55-0x0000000000220000-0x000000000029B000-memory.dmpFilesize
492KB
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memory/1288-56-0x0000000001D00000-0x0000000001DD5000-memory.dmpFilesize
852KB
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memory/1288-57-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB