vidar | a2872c8f6a4e0bf3538f83c8b7660d5c2b0cacf643a847faf0695b2a717ab317

General

Target

8e5264b96f37d907077bbb8683be2985.exe
Size

770KB
MD5

8e5264b96f37d907077bbb8683be2985
SHA1

7e36a413cfbd14250aa8d6247be90152040a0a9c
SHA256

a2872c8f6a4e0bf3538f83c8b7660d5c2b0cacf643a847faf0695b2a717ab317
SHA512

0449e6908a2b115bdbc2dfe91184c6594c1b6dccc9e931b404f7ea3932d700cc6a1206a4c3fa2d0b503e9cd3073ed075c9be9f2ea79cd29c41738c40a7780397

Score

10^/10

vidar 1008 stealer

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

1008

C2

https://mas.to/@serg4325

Attributes

profile_id
1008

Signatures

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

Vidar Stealer 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2020-62-0x0000000002F80000-0x0000000003056000-memory.dmp	family_vidar
behavioral1/memory/2020-63-0x0000000000400000-0x0000000001734000-memory.dmp	family_vidar

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1120 2020 WerFault.exe 8e5264b96f37d907077bbb8683be2985.exe

pid	pid_target	process	target process
1120	2020	WerFault.exe	8e5264b96f37d907077bbb8683be2985.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

8e5264b96f37d907077bbb8683be2985.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	8e5264b96f37d907077bbb8683be2985.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	8e5264b96f37d907077bbb8683be2985.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1120 WerFault.exe
1120 WerFault.exe
1120 WerFault.exe
1120 WerFault.exe
1120 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1120 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1120 WerFault.exe

pid	process
1120	WerFault.exe
1120	WerFault.exe
1120	WerFault.exe
1120	WerFault.exe
1120	WerFault.exe

pid	process
1120	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1120	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8e5264b96f37d907077bbb8683be2985.exe

description	pid	process	target process
PID 2020 wrote to memory of 1120	2020	8e5264b96f37d907077bbb8683be2985.exe	WerFault.exe
PID 2020 wrote to memory of 1120	2020	8e5264b96f37d907077bbb8683be2985.exe	WerFault.exe
PID 2020 wrote to memory of 1120	2020	8e5264b96f37d907077bbb8683be2985.exe	WerFault.exe
PID 2020 wrote to memory of 1120	2020	8e5264b96f37d907077bbb8683be2985.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\8e5264b96f37d907077bbb8683be2985.exe
"C:\Users\Admin\AppData\Local\Temp\8e5264b96f37d907077bbb8683be2985.exe"
1⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 872
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1120-64-0x0000000000000000-mapping.dmp

Download
memory/1120-65-0x0000000001DB0000-0x0000000001DB1000-memory.dmp

Filesize
4KB

Download
memory/2020-60-0x000000000190B000-0x0000000001988000-memory.dmp

Filesize
500KB

Download
memory/2020-61-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2020-62-0x0000000002F80000-0x0000000003056000-memory.dmp

Filesize
856KB

Download
memory/2020-63-0x0000000000400000-0x0000000001734000-memory.dmp

Filesize
19.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads