vidar | 557d7363def47781ae91194ff59d85c3a2f2bf358c19d2b043428f712f334476

Analysis

max time kernel
35s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 23:27

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General

Target

amoguuuuus/sрооf.exe
Size

447KB
MD5

eba859aa8105b84ea4e9e7726d3aa96c
SHA1

2c6b45eba06308dfd0a17776c7a2ef71c9d55b06
SHA256

a18e38ddac5882867a012958d04eebbbe6249ffd7880ff7703f91e6b32c1737d
SHA512

d8f69f8027adfe40af15ba47654a27878c2428ee56f3e1b135c7bfdd38862290ece630d33b38b7c90f23d6f7856b3e183c647c0ac8190807973b8f0cded33d4c
SSDEEP

12288:AUMdX23s7N6pQOAmAPAxRIMQdGTdv8726yuvC3aAnZ:ZKZ6pQxmAPIudGT+wu6N

Score

10^/10

vidar eaf6a345ac330495ebc83200e0a7497d discovery stealer

Malware Config

Extracted

Family

vidar

Version

8.3

Botnet

eaf6a345ac330495ebc83200e0a7497d

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik

Attributes

profile_id_v2
eaf6a345ac330495ebc83200e0a7497d
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
behavioral1/memory/4728-5-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/4728-9-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/4728-11-0x0000000000400000-0x0000000000644000-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 5048 set thread context of 4728	5048	sрооf.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	4728	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sрооf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	sрооf.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84
PID 5048 wrote to memory of 4728	5048	sрооf.exe	84

C:\Users\Admin\AppData\Local\Temp\amoguuuuus\sрооf.exe
"C:\Users\Admin\AppData\Local\Temp\amoguuuuus\sрооf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 960
    3⤵
    - Program crash
    PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4728 -ip 4728
1⤵
PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4728-5-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4728-9-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4728-11-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/5048-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/5048-1-0x0000000000C00000-0x0000000000C76000-memory.dmp

Filesize
472KB

Download
memory/5048-2-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-7-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-13-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download