vidar | 49c792def342179b4dc99d3736d5eeacbeaf9d2753b68165391f4f63fe888148

Analysis

max time kernel
147s
max time network
164s
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
58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
Size 234KB
Sample240402-qgndgsbc36
SHA256 58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff
MD5 d0492d61a010c75b69a21b31761ac655
SHA1 0168759aebd253fed1dd89a44d260f6eadc94a2d
SHA512 e4552a5bcf7f6b7911a87873d6d168d44f4ab0f351c822b5ec3b14b5db359ce0fadecac7bc032111197243b79047cbe1203e4fa9afc558c9f9e2a0ecb28eb52d
SSDEEP 6144:AhAZ0mc86LHVUCAlfzHORKOrfIrIEgcNxHookuvxNimwE5R:ImcJLHVpAl7o3rfwrYt+7/r
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/4224-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4224-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4224-9-0x0000000000400000-0x0000000000648000-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 2604 set thread context of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3188	2604	WerFault.exe	84
3444	4224	WerFault.exe	91

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91
PID 2604 wrote to memory of 4224	2604	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	91

C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
"C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2156
    3⤵
    - Program crash
    PID:3444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 872
  2⤵
  - Program crash
  PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2604 -ip 2604
1⤵
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4224 -ip 4224
1⤵
PID:1776

Network

MITRE ATT&CK Matrix

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Downloads

memory/2604-0-0x0000000000730000-0x000000000076C000-memory.dmp

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memory/2604-1-0x0000000074B40000-0x00000000752F0000-memory.dmp

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memory/2604-10-0x0000000002CC0000-0x0000000004CC0000-memory.dmp

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memory/2604-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

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memory/4224-4-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/4224-7-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/4224-9-0x0000000000400000-0x0000000000648000-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