vidar | 946e133ab8f86b5f868e1217779f35004e27b3c79f0dd70c6d85756a85ea2e22

Analysis

max time kernel
137s
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
17/04/2024, 13:24

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General

Target

bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe
Size

253KB
MD5

34c857dbfb1d5b7e53c67979560a10ad
SHA1

7cbb6cb95f3dce4a0da66ea4e4eadfba74031435
SHA256

bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34
SHA512

323f2feda71928e600a6cf53dd5c446ce7ad1c661a353ff7f02f9fdca24a35c19d18f9cc34325197947abca984e958d115cbf71b3c4d7e9f668834f46e7009d6
SSDEEP

3072:RSd6WKzEFwzwoCaYFhn3x2uCGDsZcjua1SvenwVveM2fPZfPLsO2I:IdUWopCauFCIsguknW8hl

Score

10^/10

vidar 181eb512368c942704e3ada53738a1d7 discovery stealer

Malware Config

Extracted

Family

vidar

Version

6.4

Botnet

181eb512368c942704e3ada53738a1d7

https://t.me/secgoxrp

https://steamcommunity.com/profiles/76561199568528949

Attributes

profile_id_v2
181eb512368c942704e3ada53738a1d7
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:110.0) Gecko/20100101 Firefox/121.0

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral2/memory/1844-2-0x0000000002530000-0x0000000002556000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-3-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-4-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-5-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-16-0x0000000002530000-0x0000000002556000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-21-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-22-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7
behavioral2/memory/1844-23-0x0000000000400000-0x00000000007C8000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	1844	WerFault.exe	90

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1844	bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe
1844	bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe

C:\Users\Admin\AppData\Local\Temp\bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe
"C:\Users\Admin\AppData\Local\Temp\bd442895a10c0b01daa543174c33d31ed05b905af2c6f5ab56c709893b1eed34.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1588
  2⤵
  - Program crash
  PID:2536

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=3780 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1844 -ip 1844
1⤵
PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1844-1-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/1844-2-0x0000000002530000-0x0000000002556000-memory.dmp

Filesize
152KB

Download
memory/1844-3-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1844-4-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1844-5-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1844-6-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/1844-16-0x0000000002530000-0x0000000002556000-memory.dmp

Filesize
152KB

Download
memory/1844-21-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1844-22-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1844-23-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download