Analysis
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max time kernel
140s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
18-07-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral2
Sample
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
Resource
win11-20240709-en
General
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Target
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
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Size
5.2MB
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MD5
0891d36dd26059e8a74ada84fd9885e5
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SHA1
743f9e888626f1313ef387e4fe4d16c86f092ef9
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SHA256
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674
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SHA512
874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782
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SSDEEP
98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j
Malware Config
Extracted
vidar
10.5
3a901b2c4dd248059af72250cf07aba7
https://t.me/s41l0
https://steamcommunity.com/profiles/76561199743486170
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36
Signatures
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Detect Vidar Stealer 3 IoCs
resource yara_rule behavioral1/memory/2292-69-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral1/memory/2292-67-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral1/memory/2292-84-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4744 set thread context of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4656 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe 2292 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4744 wrote to memory of 2292 4744 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 2292 wrote to memory of 3140 2292 MSBuild.exe 95 PID 2292 wrote to memory of 3140 2292 MSBuild.exe 95 PID 2292 wrote to memory of 3140 2292 MSBuild.exe 95 PID 3140 wrote to memory of 4656 3140 cmd.exe 97 PID 3140 wrote to memory of 4656 3140 cmd.exe 97 PID 3140 wrote to memory of 4656 3140 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBFCFIEBKEGH" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:4656
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