vidar | dc5b6a0843599776964546428d96ffafa4aa1ac3dc226e08a524d431b2715dfe

General

Target
6d63f2a169905fc432c127e5250c4a4b.exe
Size 679KB
Sample210509-e1e26l2ghn
SHA256 dc5b6a0843599776964546428d96ffafa4aa1ac3dc226e08a524d431b2715dfe
MD5 6d63f2a169905fc432c127e5250c4a4b
SHA1 a64e6069166bb356ba3e004118483ecb3d8ff154
SHA512 8a69f3453c52958ce29c7cd124d91b416fdba42ad0599ca086f7f81ca654bac59cfc65a5a33c32b2bbbfd4b986bc61321785f5a33b772f2d423ca3a83fa11731
MD5 SHA1 SHA512

Score

10^/10

vidar 890 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

38.7

Botnet

890

C2

https://HAL9THapi.faceit.comramilgame

Attributes

profile_id
890

Signatures

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

Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral1/memory/1056-60-0x0000000001C80000-0x0000000001D17000-memory.dmp	family_vidar
behavioral1/memory/1056-61-0x0000000000400000-0x00000000004BF000-memory.dmp	family_vidar

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
912	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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	6d63f2a169905fc432c127e5250c4a4b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6d63f2a169905fc432c127e5250c4a4b.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1940	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1340	taskkill.exe

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\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	6d63f2a169905fc432c127e5250c4a4b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	6d63f2a169905fc432c127e5250c4a4b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe
1056	6d63f2a169905fc432c127e5250c4a4b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 912	1056	6d63f2a169905fc432c127e5250c4a4b.exe	31
PID 1056 wrote to memory of 912	1056	6d63f2a169905fc432c127e5250c4a4b.exe	31
PID 1056 wrote to memory of 912	1056	6d63f2a169905fc432c127e5250c4a4b.exe	31
PID 1056 wrote to memory of 912	1056	6d63f2a169905fc432c127e5250c4a4b.exe	31
PID 912 wrote to memory of 1340	912	cmd.exe	33
PID 912 wrote to memory of 1340	912	cmd.exe	33
PID 912 wrote to memory of 1340	912	cmd.exe	33
PID 912 wrote to memory of 1340	912	cmd.exe	33
PID 912 wrote to memory of 1940	912	cmd.exe	35
PID 912 wrote to memory of 1940	912	cmd.exe	35
PID 912 wrote to memory of 1940	912	cmd.exe	35
PID 912 wrote to memory of 1940	912	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\6d63f2a169905fc432c127e5250c4a4b.exe
"C:\Users\Admin\AppData\Local\Temp\6d63f2a169905fc432c127e5250c4a4b.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 6d63f2a169905fc432c127e5250c4a4b.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\6d63f2a169905fc432c127e5250c4a4b.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 6d63f2a169905fc432c127e5250c4a4b.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1340
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1940