vidar | bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 08:35

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General

Target

bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe
Size

1.1MB
MD5

838d33825463fac54368bc623f5c7693
SHA1

1bc92f587763cded5f215d7e7fda09215f87c354
SHA256

bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428
SHA512

2998f68734d6cfb6e04404e58f045705b72dae6b9c087f1f0ff0549d8c350ed81f4c48d043a83bf1e72119774ba83705b2a80c39e7b7f59fafc29ea66f928817
SSDEEP

12288:iXCR5aCWJvKhaRhNrPN3h9zk0GQzOmNKP+9hAu4nYfnCgHChKppazj:N5dWJvKhWNrPN33JKP+FR+gaP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199673019888

https://t.me/irfail

Attributes

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

Extracted

Family

vidar

Version

RoInitialize

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/392-0-0x0000000000BB0000-0x0000000000CC2000-memory.dmp	family_vidar_v7
behavioral2/memory/1516-1-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/392-2-0x0000000000BB0000-0x0000000000CC2000-memory.dmp	family_vidar_v7
behavioral2/memory/1516-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1516-6-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe

description	pid	process	target process
PID 392 set thread context of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2464 1516 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
2464	1516	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe

description	pid	process	target process
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe
PID 392 wrote to memory of 1516	392	bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe
"C:\Users\Admin\AppData\Local\Temp\bed51b2dfca597b78bd5d3f03f8a5ffeddbd7ab1fc49ac90de83f9e05d7da428.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:392

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 2076
3⤵
- Program crash
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1516 -ip 1516
1⤵
PID:1180

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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:2428

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/392-0-0x0000000000BB0000-0x0000000000CC2000-memory.dmp

Filesize
1.1MB

Download
memory/392-2-0x0000000000BB0000-0x0000000000CC2000-memory.dmp

Filesize
1.1MB

Download
memory/1516-1-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1516-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1516-6-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download