Analysis
-
max time kernel
138s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 18:08
Static task
static1
Behavioral task
behavioral1
Sample
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
Resource
win10v2004-20240709-en
General
-
Target
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
-
Size
5.2MB
-
MD5
0891d36dd26059e8a74ada84fd9885e5
-
SHA1
743f9e888626f1313ef387e4fe4d16c86f092ef9
-
SHA256
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674
-
SHA512
874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782
-
SSDEEP
98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j
Malware Config
Extracted
vidar
10.5
3a901b2c4dd248059af72250cf07aba7
https://t.me/s41l0
https://steamcommunity.com/profiles/76561199743486170
-
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
-
Detect Vidar Stealer 6 IoCs
resource yara_rule behavioral2/memory/3472-69-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral2/memory/3472-67-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral2/memory/3472-72-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral2/memory/3472-86-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral2/memory/3472-132-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 behavioral2/memory/3472-138-0x0000000000400000-0x0000000000640000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4660 set thread context of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4256 timeout.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe 3472 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4660 wrote to memory of 3448 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4660 wrote to memory of 3448 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4660 wrote to memory of 3448 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 87 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 4660 wrote to memory of 3472 4660 fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe 88 PID 3472 wrote to memory of 2716 3472 MSBuild.exe 99 PID 3472 wrote to memory of 2716 3472 MSBuild.exe 99 PID 3472 wrote to memory of 2716 3472 MSBuild.exe 99 PID 2716 wrote to memory of 4256 2716 cmd.exe 101 PID 2716 wrote to memory of 4256 2716 cmd.exe 101 PID 2716 wrote to memory of 4256 2716 cmd.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:3448
-
-
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:3472 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAKEGDAKEHJD" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:4256
-
-
-