Analysis
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max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02/04/2024, 11:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
2 signatures
150 seconds
General
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Target
file.exe
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Size
244KB
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MD5
2caa34244dd6726f37dbccc7fe9b59fd
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SHA1
0ec728e4614ae0f3ae5db4ed255a1a344d654659
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SHA256
5bde316bb02a4d1c0e5530093c04f48e6bb862a828f154b5ad2a19c3a032937d
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SHA512
2a471bf75e21b6637839626f25668e03fd60c7bdd2f11b838c3842999e6b615a26c6bd1bcf3ecdcdae37a6ce11a046e7590194c8fdc40aef2ab44854238669b2
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SSDEEP
3072:jp3BvL34Ph1UOpbqWvhSveoQxd0+4NB4F/8CUKnozHZHeV1HLVA8959eQAOED:Nxvz4ZxbVvhweoQL0DNBKn6H1w5AENo
Malware Config
Extracted
Family
vidar
C2
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
Attributes
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Signatures
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Detect Vidar Stealer 3 IoCs
resource yara_rule behavioral2/memory/4904-5-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4904-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4904-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4952 set thread context of 4904 4952 file.exe 89 -
Program crash 2 IoCs
pid pid_target Process procid_target 3716 4952 WerFault.exe 83 2388 4904 WerFault.exe 89 -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4952 wrote to memory of 488 4952 file.exe 86 PID 4952 wrote to memory of 488 4952 file.exe 86 PID 4952 wrote to memory of 488 4952 file.exe 86 PID 4952 wrote to memory of 2656 4952 file.exe 87 PID 4952 wrote to memory of 2656 4952 file.exe 87 PID 4952 wrote to memory of 2656 4952 file.exe 87 PID 4952 wrote to memory of 3372 4952 file.exe 88 PID 4952 wrote to memory of 3372 4952 file.exe 88 PID 4952 wrote to memory of 3372 4952 file.exe 88 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89 PID 4952 wrote to memory of 4904 4952 file.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:488
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2656
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3372
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 21723⤵
- Program crash
PID:2388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 2602⤵
- Program crash
PID:3716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4952 -ip 49521⤵PID:4988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4904 -ip 49041⤵PID:4556