Analysis
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max time kernel
144s -
max time network
160s -
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, 01:00
Static task
static1
Behavioral task
behavioral1
Sample
059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe
Resource
win7-20240221-en
General
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Target
059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe
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Size
234KB
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MD5
436bd90a95f5ff01c7c05c83935a3c31
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SHA1
1389f2152a7107952b12e547078eee5ed8ad9839
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SHA256
059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5
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SHA512
2d26c6a202f973d5f1d71b9f8ef0af348082c1429034e374473663cc965f23e72844ea0c560fe57dc03e2cbca8eef2a411989aac2ee8e47e95fa5bd7199525db
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SSDEEP
6144:cwhV2xyQSlM/KsQRz7/ssEZATM8YSU1sIAQ:cwD2t/bQ52wQ
Malware Config
Extracted
vidar
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
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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/2124-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2124-7-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2124-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 3 IoCs
resource yara_rule behavioral2/memory/2124-4-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2124-7-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2124-9-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 3 IoCs
resource yara_rule behavioral2/memory/2124-4-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2124-7-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2124-9-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1556 set thread context of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 -
Program crash 2 IoCs
pid pid_target Process procid_target 2792 1556 WerFault.exe 83 996 2124 WerFault.exe 89 -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1556 wrote to memory of 2332 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 88 PID 1556 wrote to memory of 2332 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 88 PID 1556 wrote to memory of 2332 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 88 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89 PID 1556 wrote to memory of 2124 1556 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe"C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2332
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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:2124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 23403⤵
- Program crash
PID:996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 8802⤵
- Program crash
PID:2792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 15561⤵PID:3048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2124 -ip 21241⤵PID:1156