vidar | 25df96f298c29043baf3c5471370e9051a533aca1e97013865e3852b10958b93

Analysis

max time kernel
94s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 13:14

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General

Target
be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe
Size 234KB
Sample240402-qgpljsbc44
SHA256 be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462
MD5 7c665575a095a3d95e8fd3db9f68dbda
SHA1 9702fa88095963c1d336cd48bca362a2b33a530e
SHA512 2d300feb63df4a08d5ff5e235cc2f6e2f293e3a19a012ee75a933e6992c09e6fb2964fcf5f7fd3443c7fff7a66291bfa4bb1acbc0d9bb9fdd1e36c266a59736f
SSDEEP 6144:TaYIfJebpHDjRu5Wh//MdHavp1RyPaBWuWR0PIDqmvYWx:3I+5EEwCpePae68Ws
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok

Attributes

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

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/4088-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4088-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4088-9-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2596	1896	WerFault.exe	85
1996	4088	WerFault.exe	88

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88
PID 1896 wrote to memory of 4088	1896	be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe	88

C:\Users\Admin\AppData\Local\Temp\be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe
"C:\Users\Admin\AppData\Local\Temp\be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 2244
    3⤵
    - Program crash
    PID:1996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 808
  2⤵
  - Program crash
  PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1896 -ip 1896
1⤵
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4088 -ip 4088
1⤵
PID:2420

Network

MITRE ATT&CK Matrix

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Downloads

memory/1896-0-0x00000000001D0000-0x000000000020C000-memory.dmp

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memory/1896-1-0x0000000074ED0000-0x0000000075680000-memory.dmp

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memory/1896-10-0x0000000002680000-0x0000000004680000-memory.dmp

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memory/1896-11-0x0000000074ED0000-0x0000000075680000-memory.dmp

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memory/4088-4-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/4088-7-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/4088-9-0x0000000000400000-0x0000000000648000-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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Downloads