vidar | 1adf152f864e7da78406dfb915fa968b6a98f9bf4978ddbb41e84711cc64fcfe

General

Target
75e3696c1fd8a5f7c9804fab344851e2.exe
Size 681KB
Sample210507-nzdsn3eb8j
SHA256 1adf152f864e7da78406dfb915fa968b6a98f9bf4978ddbb41e84711cc64fcfe
MD5 75e3696c1fd8a5f7c9804fab344851e2
SHA1 78dd58217626ed43b76b36eff4291010f865fd52
SHA512 9a3e5fff40825361358f4ed1918b9c0dee575d86dc82fa47d8385a91a03862467a72cd84c3b9792cdd1cc6a5ecd086fd2fb6c2500a2b0f0cf36b744f65eefa0e
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/736-114-0x0000000002290000-0x0000000002327000-memory.dmp	family_vidar
behavioral2/memory/736-115-0x0000000000400000-0x00000000004C0000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.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	75e3696c1fd8a5f7c9804fab344851e2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	75e3696c1fd8a5f7c9804fab344851e2.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2168	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4016	taskkill.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe
736	75e3696c1fd8a5f7c9804fab344851e2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1600	736	75e3696c1fd8a5f7c9804fab344851e2.exe	77
PID 736 wrote to memory of 1600	736	75e3696c1fd8a5f7c9804fab344851e2.exe	77
PID 736 wrote to memory of 1600	736	75e3696c1fd8a5f7c9804fab344851e2.exe	77
PID 1600 wrote to memory of 4016	1600	cmd.exe	79
PID 1600 wrote to memory of 4016	1600	cmd.exe	79
PID 1600 wrote to memory of 4016	1600	cmd.exe	79
PID 1600 wrote to memory of 2168	1600	cmd.exe	80
PID 1600 wrote to memory of 2168	1600	cmd.exe	80
PID 1600 wrote to memory of 2168	1600	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\75e3696c1fd8a5f7c9804fab344851e2.exe
"C:\Users\Admin\AppData\Local\Temp\75e3696c1fd8a5f7c9804fab344851e2.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 75e3696c1fd8a5f7c9804fab344851e2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\75e3696c1fd8a5f7c9804fab344851e2.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 75e3696c1fd8a5f7c9804fab344851e2.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4016
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2168

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/736-114-0x0000000002290000-0x0000000002327000-memory.dmp

Download

memory/736-115-0x0000000000400000-0x00000000004C0000-memory.dmp