vidar | df85d61e9523c0f3012f47049bec8c388f7bc8cf5e4daf4ead1f1f1ed0a60c64

Analysis

max time kernel
111s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 20:03

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General

Target
file.exe
Size 214KB
Sample240407-ysnsdsde52
SHA256 df85d61e9523c0f3012f47049bec8c388f7bc8cf5e4daf4ead1f1f1ed0a60c64
MD5 6ffddfaa28979ea075045cd5a8d69cb2
SHA1 f69ed91bbcfa5061b7261fb11935c19a9ae52aec
SHA512 9acf3cd91ef99c1ab06dd60721d34d76f1383038e542612e60db04014f86e1ee14b6d8a84ba1a4d424f113a121b89dcd1ee6f57d9866f29b4fd8ae35e0106bbb
SSDEEP 6144:bJINz3fZmYbDhiX9wLWLKfzNv75mHrk/NOBRLyA:ex3hmYbI9SJh6rkV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199662282318
https://t.me/t8jmhl

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 OPR/108.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/4672-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4672-9-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4672-11-0x0000000000400000-0x0000000000648000-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 2884 set thread context of 4672	2884	file.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3176	4672	WerFault.exe	95

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95
PID 2884 wrote to memory of 4672	2884	file.exe	95

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 2244
    3⤵
    - Program crash
    PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4672 -ip 4672
1⤵
PID:3860

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=5088 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
1⤵
PID:1700

Network

MITRE ATT&CK Matrix

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Downloads

memory/2884-1-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/2884-0-0x0000000000E20000-0x0000000000E5C000-memory.dmp

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memory/2884-8-0x0000000074490000-0x0000000074C40000-memory.dmp

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memory/2884-12-0x0000000003390000-0x0000000005390000-memory.dmp

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memory/2884-16-0x0000000003390000-0x0000000005390000-memory.dmp

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memory/4672-4-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/4672-9-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/4672-11-0x0000000000400000-0x0000000000648000-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