vidar | d2f6e8331b8a820cb3dfa24f4f092ae19d3c7b9bfcc2467e5ef2fce91caf2e01

Analysis

max time kernel
131s
max time network
30s
platform
windows7_x64
resource
win7-en-20210920
submitted
04/10/2021, 16:00

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General

Target
29373722203339a49712d52e9f354ed2.exe
Size 717KB
Sample211004-tfnjmsgfa6
SHA256 d2f6e8331b8a820cb3dfa24f4f092ae19d3c7b9bfcc2467e5ef2fce91caf2e01
MD5 29373722203339a49712d52e9f354ed2
SHA1 d4cd3d018f3cdcf4beecd3466d66fd74f01a37b9
SHA512 9407980f7c71cac2aa2301f370532314d3cfe963d7ee39cd0e21287cef447764deeb5377856d9a06a2d09bd423b25d9e846585fbd634a991d8544996d972d95e
MD5 SHA1 SHA512

Score

10^/10

vidar 1008 stealer

Malware Config

Extracted

Family

vidar

Version

41.1

Botnet

1008

https://mas.to/@bardak1ho

Attributes

profile_id
1008

Signatures

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

Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral1/memory/1232-56-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral1/memory/1232-55-0x0000000000310000-0x00000000003E4000-memory.dmp	family_vidar

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1756	1232	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1756	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 1756	1232	29373722203339a49712d52e9f354ed2.exe	29
PID 1232 wrote to memory of 1756	1232	29373722203339a49712d52e9f354ed2.exe	29
PID 1232 wrote to memory of 1756	1232	29373722203339a49712d52e9f354ed2.exe	29
PID 1232 wrote to memory of 1756	1232	29373722203339a49712d52e9f354ed2.exe	29

C:\Users\Admin\AppData\Local\Temp\29373722203339a49712d52e9f354ed2.exe
"C:\Users\Admin\AppData\Local\Temp\29373722203339a49712d52e9f354ed2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 768
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1756

Network

MITRE ATT&CK Matrix

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Downloads

memory/1232-54-0x0000000074F81000-0x0000000074F83000-memory.dmp

Download

memory/1232-56-0x0000000000400000-0x00000000004D7000-memory.dmp

Download

memory/1232-55-0x0000000000310000-0x00000000003E4000-memory.dmp

Download

memory/1756-58-0x0000000000430000-0x0000000000431000-memory.dmp

Download