vidar | 015f6b7cf4b06273ee48d0a5f7672e0354dcec2d69380bb6eaff063450a3a8cd

General

Target
2eda089640072a2981f8be88baf1d3a3.exe
Size 642KB
Sample210507-ndqvfbrbhx
SHA256 015f6b7cf4b06273ee48d0a5f7672e0354dcec2d69380bb6eaff063450a3a8cd
MD5 2eda089640072a2981f8be88baf1d3a3
SHA1 5f8552d0ce1965ed1c18fbae90f230a3b5b38fcf
SHA512 962c54b80340747642e7faefcf9200a0992cb1bf4ccd0a019d01e515b4ed32745f870608a1f965ebc45ac30a05a90d0be34823d27798d6840611e6ea40e9018e
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/3952-114-0x00000000024A0000-0x0000000002537000-memory.dmp	family_vidar
behavioral2/memory/3952-115-0x0000000000400000-0x0000000000899000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.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	2eda089640072a2981f8be88baf1d3a3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2eda089640072a2981f8be88baf1d3a3.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2980	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1248	taskkill.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe
3952	2eda089640072a2981f8be88baf1d3a3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 3012	3952	2eda089640072a2981f8be88baf1d3a3.exe	78
PID 3952 wrote to memory of 3012	3952	2eda089640072a2981f8be88baf1d3a3.exe	78
PID 3952 wrote to memory of 3012	3952	2eda089640072a2981f8be88baf1d3a3.exe	78
PID 3012 wrote to memory of 1248	3012	cmd.exe	80
PID 3012 wrote to memory of 1248	3012	cmd.exe	80
PID 3012 wrote to memory of 1248	3012	cmd.exe	80
PID 3012 wrote to memory of 2980	3012	cmd.exe	81
PID 3012 wrote to memory of 2980	3012	cmd.exe	81
PID 3012 wrote to memory of 2980	3012	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\2eda089640072a2981f8be88baf1d3a3.exe
"C:\Users\Admin\AppData\Local\Temp\2eda089640072a2981f8be88baf1d3a3.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 2eda089640072a2981f8be88baf1d3a3.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2eda089640072a2981f8be88baf1d3a3.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 2eda089640072a2981f8be88baf1d3a3.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1248
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2980

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/3952-114-0x00000000024A0000-0x0000000002537000-memory.dmp

Download

memory/3952-115-0x0000000000400000-0x0000000000899000-memory.dmp