vidar | fb0324ec1a5215c1b86bfd1bcb8dc631b4e0f295e18d584387db93337ecbc06f

General

Target
2d2120a0d3c321d45ca660e206b63b3f.exe
Size 650KB
Sample210507-2g8fa8c8qx
SHA256 fb0324ec1a5215c1b86bfd1bcb8dc631b4e0f295e18d584387db93337ecbc06f
MD5 2d2120a0d3c321d45ca660e206b63b3f
SHA1 ba42eda194f11d77c07b8e884aa36d5c89137be2
SHA512 24429428b8ef2742808142793dcb3c1363663faf523c42ae3bb2fe872292920048204725da9269981eebf1f7bae3a409f21f469d14718215d4e475e38131387d
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
behavioral2/memory/3944-114-0x0000000002620000-0x00000000026B7000-memory.dmp	family_vidar
behavioral2/memory/3944-115-0x0000000000400000-0x000000000089B000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.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	2d2120a0d3c321d45ca660e206b63b3f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2d2120a0d3c321d45ca660e206b63b3f.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2068	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4080	taskkill.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe
3944	2d2120a0d3c321d45ca660e206b63b3f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 3308	3944	2d2120a0d3c321d45ca660e206b63b3f.exe	78
PID 3944 wrote to memory of 3308	3944	2d2120a0d3c321d45ca660e206b63b3f.exe	78
PID 3944 wrote to memory of 3308	3944	2d2120a0d3c321d45ca660e206b63b3f.exe	78
PID 3308 wrote to memory of 4080	3308	cmd.exe	80
PID 3308 wrote to memory of 4080	3308	cmd.exe	80
PID 3308 wrote to memory of 4080	3308	cmd.exe	80
PID 3308 wrote to memory of 2068	3308	cmd.exe	81
PID 3308 wrote to memory of 2068	3308	cmd.exe	81
PID 3308 wrote to memory of 2068	3308	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\2d2120a0d3c321d45ca660e206b63b3f.exe
"C:\Users\Admin\AppData\Local\Temp\2d2120a0d3c321d45ca660e206b63b3f.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 2d2120a0d3c321d45ca660e206b63b3f.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2d2120a0d3c321d45ca660e206b63b3f.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 2d2120a0d3c321d45ca660e206b63b3f.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4080
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

4

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3944-114-0x0000000002620000-0x00000000026B7000-memory.dmp

Download

memory/3944-115-0x0000000000400000-0x000000000089B000-memory.dmp