vidar | 14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 01:06

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General

Target
14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe
Size 319KB
Sample240418-bf5ttaee69
SHA256 14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a
MD5 98fa9d5bea93312c32be83bf43d6a47b
SHA1 bbb33093f8475548308840af9aaf839f02668deb
SHA512 8706276afc2d789a9b3c80efc4fb236355f7a083340b83898fb0143ce5141c37495b9818d26e6212729c3316f7c26aea6f6a95abd8f9b7c84589366091bb0476
SSDEEP 6144:zkNn/RgaOf1N/fcxtR7SWfFqbiJbYSkeB+/oh950QTuvp3:zkNn/g0tROAFquFFAOJTup3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199673019888
https://t.me/irfail

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/924-0-0x0000000000870000-0x00000000008C3000-memory.dmp	family_vidar_v7
behavioral2/memory/1960-1-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/924-2-0x0000000000870000-0x00000000008C3000-memory.dmp	family_vidar_v7
behavioral2/memory/1960-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1960-6-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs

resource	yara_rule
behavioral2/memory/924-0-0x0000000000870000-0x00000000008C3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/1960-1-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/924-2-0x0000000000870000-0x00000000008C3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/1960-4-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/1960-6-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 924 set thread context of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1348	1960	WerFault.exe	88

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88
PID 924 wrote to memory of 1960	924	14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe	88

C:\Users\Admin\AppData\Local\Temp\14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe
"C:\Users\Admin\AppData\Local\Temp\14d6115881dcd0df5a9fddef6e72547b797b004261602b1a618d610fc04de40a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 2112
    3⤵
    - Program crash
    PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1960 -ip 1960
1⤵
PID:4440

Network

MITRE ATT&CK Matrix

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Downloads

memory/924-0-0x0000000000870000-0x00000000008C3000-memory.dmp

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memory/924-2-0x0000000000870000-0x00000000008C3000-memory.dmp

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memory/1960-1-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1960-4-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1960-6-0x0000000000400000-0x0000000000648000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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