vidar | a23714632090b8218162ecfc5940eb052bcbfd350654524ff716a3dee8d56847

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 12:31

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General

Target
2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe
Size 213KB
Sample240417-pp5gasfa28
SHA256 2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed
MD5 81c63bc70fbcc8420249b3d6f5773d3c
SHA1 36dc62d893fac0335d13c7d2a71c274eb032d7b5
SHA512 f95d844054c59806df7a0a6f6703c6b264f71dd00f6a37779d0fa701afbb58ac686f8ec140b833f3e0f94663564078821aae1076e29addd0804657de9afcf32c
SSDEEP 6144:8vuzQFAjrBy0lu6ZmC2dtnkeLKG61OkZ+LSDus0pMEodi+4:8BFAjDLZsjRN61OkZ+LS1uWN4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://t.me/de17fs
https://steamcommunity.com/profiles/76561199667616374

Attributes

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

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/3832-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3832-10-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3832-12-0x0000000000400000-0x0000000000648000-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 3708 set thread context of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
940	3832	WerFault.exe	92

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2916	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	91
PID 3708 wrote to memory of 2916	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	91
PID 3708 wrote to memory of 2916	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	91
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92
PID 3708 wrote to memory of 3832	3708	2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe	92

C:\Users\Admin\AppData\Local\Temp\2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe
"C:\Users\Admin\AppData\Local\Temp\2e944ff55afdee7c044c5df7b3bfa7da76480ea4baf88a14ec1dd8d858f0c4ed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 1252
    3⤵
    - Program crash
    PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3832 -ip 3832
1⤵
PID:2296

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:2280

Network

MITRE ATT&CK Matrix

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Downloads

memory/3708-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

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memory/3708-1-0x0000000000370000-0x00000000003AC000-memory.dmp

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memory/3708-7-0x00000000747D0000-0x0000000074F80000-memory.dmp

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memory/3708-8-0x0000000002890000-0x0000000004890000-memory.dmp

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memory/3708-15-0x0000000002890000-0x0000000004890000-memory.dmp

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memory/3832-4-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/3832-10-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/3832-12-0x0000000000400000-0x0000000000648000-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