vidar | c9ebe4ae17b7f2289a56d1fef9c6672b6ba9f943f5e6d92a8f3e84e09502aacd

Analysis

max time kernel
147s
max time network
156s
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, 10:23

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General

Target
e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe
Size 222KB
Sample240402-meyjwsfc65
SHA256 e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c
MD5 53b467498a612d6aabdc787d14cb03ba
SHA1 e2ab1207813a45ccc2357ceb8c085b75eed2bc40
SHA512 138390abe827af22a8ae685b9a03cc365555b8d19ecb3905564511ecfd28d5a5fcd34137d7f73e079825729d308e95178539be6de7f2277477ca8fc40f7f3f7f
SSDEEP 6144:wlNXxcLUjkG4b8BUseuL1e6XRRe9QY/WnaI+UVV2:hUAG4b6UseuxJ1Y/0+UX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 4cf8d799a3641f9821e54be56c960e28 stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

4cf8d799a3641f9821e54be56c960e28

https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s

Attributes

profile_id_v2
4cf8d799a3641f9821e54be56c960e28
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Signatures

Detect Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/456-4-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/456-7-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/456-11-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/4932-14-0x0000000002780000-0x0000000004780000-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 4932 set thread context of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2496	456	WerFault.exe	90

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 1208	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	88
PID 4932 wrote to memory of 1208	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	88
PID 4932 wrote to memory of 1208	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	88
PID 4932 wrote to memory of 1260	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	89
PID 4932 wrote to memory of 1260	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	89
PID 4932 wrote to memory of 1260	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	89
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90
PID 4932 wrote to memory of 456	4932	e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe	90

C:\Users\Admin\AppData\Local\Temp\e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe
"C:\Users\Admin\AppData\Local\Temp\e392ce09860656d869b34faec406646a63e75ee536999ee5ecfb23bcc23cfd2c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1208
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1260
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1748
    3⤵
    - Program crash
    PID:2496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 456 -ip 456
1⤵
PID:2640

Network

MITRE ATT&CK Matrix

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Downloads

memory/456-4-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/456-7-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/456-11-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/4932-0-0x0000000000310000-0x000000000034E000-memory.dmp

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memory/4932-1-0x0000000075280000-0x0000000075A30000-memory.dmp

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memory/4932-10-0x0000000075280000-0x0000000075A30000-memory.dmp

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memory/4932-12-0x0000000002780000-0x0000000004780000-memory.dmp

Download

memory/4932-14-0x0000000002780000-0x0000000004780000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads