vidar | 629980848de9cc3c7b296eeb239fc9507cb41c6d19437a96138f8d3c304c9e44

General

Target
00d189682d29d1bd3bbaa19a915cdcc7.exe
Size 686KB
Sample211002-tcsdesedf7
SHA256 629980848de9cc3c7b296eeb239fc9507cb41c6d19437a96138f8d3c304c9e44
MD5 00d189682d29d1bd3bbaa19a915cdcc7
SHA1 cf97d82c863793305b9faed3f67e184da020914e
SHA512 8135234a9b912538ad044cdbdb854374b0651d0e32d3248fc0e7074fe9c2ecc4cfdfec3d365c488e807788f59d708d6b63e477227935a334fc8de9291e89c1e3
MD5 SHA1 SHA512

Score

10^/10

vidar 1008 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.1

Botnet

1008

C2

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
behavioral2/memory/2348-116-0x0000000000400000-0x00000000008DB000-memory.dmp	family_vidar
behavioral2/memory/2348-115-0x0000000000CB0000-0x0000000000D84000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	00d189682d29d1bd3bbaa19a915cdcc7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	00d189682d29d1bd3bbaa19a915cdcc7.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4068	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3292	taskkill.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe
2348	00d189682d29d1bd3bbaa19a915cdcc7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3292	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 3792	2348	00d189682d29d1bd3bbaa19a915cdcc7.exe	70
PID 2348 wrote to memory of 3792	2348	00d189682d29d1bd3bbaa19a915cdcc7.exe	70
PID 2348 wrote to memory of 3792	2348	00d189682d29d1bd3bbaa19a915cdcc7.exe	70
PID 3792 wrote to memory of 3292	3792	cmd.exe	72
PID 3792 wrote to memory of 3292	3792	cmd.exe	72
PID 3792 wrote to memory of 3292	3792	cmd.exe	72
PID 3792 wrote to memory of 4068	3792	cmd.exe	74
PID 3792 wrote to memory of 4068	3792	cmd.exe	74
PID 3792 wrote to memory of 4068	3792	cmd.exe	74

C:\Users\Admin\AppData\Local\Temp\00d189682d29d1bd3bbaa19a915cdcc7.exe
"C:\Users\Admin\AppData\Local\Temp\00d189682d29d1bd3bbaa19a915cdcc7.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 00d189682d29d1bd3bbaa19a915cdcc7.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\00d189682d29d1bd3bbaa19a915cdcc7.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3792
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 00d189682d29d1bd3bbaa19a915cdcc7.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3292
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:4068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-116-0x0000000000400000-0x00000000008DB000-memory.dmp

Download

memory/2348-115-0x0000000000CB0000-0x0000000000D84000-memory.dmp