vidar | 4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588

General

Target

4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
Size

617KB
MD5

08821ac5424cc31063657212609b8d1d
SHA1

d6d96eea96bddecb27ff673b736525c85482ab8d
SHA256

4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588
SHA512

1fd88a75f378ccbe36e6b167fc99bc4867d001e1e46e36770098d6eb43f54c31bf89148d187d787ac07574340508c94eb0a69516a0bb62aa74014ddd0da53089
SSDEEP

12288:HWV5qnPSABI5apSV9g9iTaq8v0tQNV+Fn6bIx+mW0Jc8lr7v:HW+nP9RpSVCcTaHi2wn6bIx+BM5r7v

Score

10^/10

vidar 0b3bd69430b7d827b107ba2ed809207d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

0b3bd69430b7d827b107ba2ed809207d

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/2596-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2596-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2596-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2596-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1436	3496	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2360	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 3496 wrote to memory of 2596	3496	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	82
PID 2596 wrote to memory of 4788	2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	93
PID 2596 wrote to memory of 4788	2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	93
PID 2596 wrote to memory of 4788	2596	4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe	93
PID 4788 wrote to memory of 2360	4788	cmd.exe	95
PID 4788 wrote to memory of 2360	4788	cmd.exe	95
PID 4788 wrote to memory of 2360	4788	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
"C:\Users\Admin\AppData\Local\Temp\4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe
  "C:\Users\Admin\AppData\Local\Temp\4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4b231165fb53ccbe0f337ed09227ddd57998a5ec6883402de241bc81ba0b6588.exe" & rd /s /q "C:\ProgramData\KECGDBFCBKFI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4788
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 240
  2⤵
  - Program crash
  PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3496 -ip 3496
1⤵
PID:540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2596-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2596-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2596-4-0x00000000002D0000-0x000000000036C000-memory.dmp

Filesize
624KB

Download
memory/2596-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2596-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3496-0-0x0000000000362000-0x0000000000363000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads