vidar | fbffacfd342e10055441feff193d815000e7111d5c1bd4c26ffc732d66ce5268

General

Target
07c35d9283746f816056ba7f4dea056b.exe
Size 617KB
Sample210801-d65tpb7fkj
SHA256 fbffacfd342e10055441feff193d815000e7111d5c1bd4c26ffc732d66ce5268
MD5 07c35d9283746f816056ba7f4dea056b
SHA1 0f6b1d78d6b152762238fb45bb99f9ae79536667
SHA512 39c8aaa0ec92290060dd862382ba4e0e7022346a87cb304ab979877880c7a24aaff9d973f6c3d610c126b5021193a1bb01bdeaa3fc05e783409c661b93439e03
MD5 SHA1 SHA512

Score

10^/10

vidar 921 spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/1304-118-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/1304-119-0x000000000046B76D-mapping.dmp	family_vidar
behavioral2/memory/1304-120-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
732	1304	WerFault.exe	80

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	07c35d9283746f816056ba7f4dea056b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	07c35d9283746f816056ba7f4dea056b.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe
1304	07c35d9283746f816056ba7f4dea056b.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe
732	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	07c35d9283746f816056ba7f4dea056b.exe
Token: SeRestorePrivilege	732	WerFault.exe
Token: SeBackupPrivilege	732	WerFault.exe
Token: SeDebugPrivilege	732	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2296	3016	07c35d9283746f816056ba7f4dea056b.exe	79
PID 3016 wrote to memory of 2296	3016	07c35d9283746f816056ba7f4dea056b.exe	79
PID 3016 wrote to memory of 2296	3016	07c35d9283746f816056ba7f4dea056b.exe	79
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80
PID 3016 wrote to memory of 1304	3016	07c35d9283746f816056ba7f4dea056b.exe	80

C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe
"C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe
  C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe
  2⤵
  PID:2296
- C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe
  C:\Users\Admin\AppData\Local\Temp\07c35d9283746f816056ba7f4dea056b.exe
  2⤵
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:1304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 1668
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1304-118-0x0000000000400000-0x00000000004A1000-memory.dmp

Download

memory/1304-120-0x0000000000400000-0x00000000004A1000-memory.dmp

Download

memory/3016-114-0x0000000000420000-0x0000000000421000-memory.dmp

Download

memory/3016-116-0x0000000004D50000-0x0000000004D51000-memory.dmp

Download

memory/3016-117-0x0000000002720000-0x0000000002742000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads