Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31/03/2024, 10:59
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240319-en
4 signatures
150 seconds
General
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Target
file.exe
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Size
234KB
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MD5
d0492d61a010c75b69a21b31761ac655
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SHA1
0168759aebd253fed1dd89a44d260f6eadc94a2d
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SHA256
58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff
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SHA512
e4552a5bcf7f6b7911a87873d6d168d44f4ab0f351c822b5ec3b14b5db359ce0fadecac7bc032111197243b79047cbe1203e4fa9afc558c9f9e2a0ecb28eb52d
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SSDEEP
6144:AhAZ0mc86LHVUCAlfzHORKOrfIrIEgcNxHookuvxNimwE5R:ImcJLHVpAl7o3rfwrYt+7/r
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/452-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/452-7-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/452-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 688 set thread context of 452 688 file.exe 87 -
Program crash 2 IoCs
pid pid_target Process procid_target 4004 688 WerFault.exe 84 1068 452 WerFault.exe 87 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87 PID 688 wrote to memory of 452 688 file.exe 87
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:688 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 21083⤵
- Program crash
PID:1068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 8762⤵
- Program crash
PID:4004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 688 -ip 6881⤵PID:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 452 -ip 4521⤵PID:4708