vidar | 2214bdc78b558176a17484bcc02079a5470e0b49073d50d19b522d67dc4396e3

Analysis

max time kernel
115s
max time network
178s
platform
windows7_x64
resource
win7v20210410
submitted
30-07-2021 15:26

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General

Target

8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
Size

2.2MB
MD5

4b367c52435f4a834d04797267f84240
SHA1

0cfe62030093baf55769d3d33f024ffdde5417b3
SHA256

8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0
SHA512

a520b430f686b073d744f262411395231bab5093ea0c95d6fe6400ce1d761cb443b43ec8999f12926186f72cfcba371c2b44c9c3ff09125009e90633bafdd598

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

921

https://sslamlssa1.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral30/memory/1852-64-0x000000000046B76D-mapping.dmp	family_vidar
behavioral30/memory/1852-63-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral30/memory/1852-66-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

description	pid	process	target process
PID 1140 set thread context of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1820 1852 WerFault.exe 8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

pid	pid_target	process	target process
1820	1852	WerFault.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1820 WerFault.exe
1820 WerFault.exe
1820 WerFault.exe
1820 WerFault.exe
1820 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1820 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1820 WerFault.exe

pid	process
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe

pid	process
1820	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1820	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe

description	pid	process	target process
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1140 wrote to memory of 1852	1140	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
PID 1852 wrote to memory of 1820	1852	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	WerFault.exe
PID 1852 wrote to memory of 1820	1852	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	WerFault.exe
PID 1852 wrote to memory of 1820	1852	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	WerFault.exe
PID 1852 wrote to memory of 1820	1852	8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
"C:\Users\Admin\AppData\Local\Temp\8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Users\Admin\AppData\Local\Temp\8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
C:\Users\Admin\AppData\Local\Temp\8cecb6b01aa0456667f940b42f7e394902c7b4da6f7597c5e9ca8a45f7e646d0.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 868
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1140-60-0x0000000001090000-0x0000000001091000-memory.dmp

Filesize
4KB

Download
memory/1140-62-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1820-67-0x0000000000000000-mapping.dmp

Download
memory/1820-68-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/1852-64-0x000000000046B76D-mapping.dmp

Download
memory/1852-63-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1852-65-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1852-66-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download