vidar | 54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800

General

Target

54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
Size

573KB
MD5

9e277fb490855a56cbe370d12cd5d5c7
SHA1

97739caffe91401521465203f984eb2fdfaa5e57
SHA256

54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800
SHA512

38a6bfe6c806ce6e6afaa870ea801037f59a155268a8c43507518e677bca664438b6732c0b1df504b51977587058194511062c5181275383a9a9800044f30b9d
SSDEEP

12288:HC8KWpG/UOIH1y4UGP/smusuuVFLJ2YiTtYWB0d2DFEA9qo3dY5e74vEO:HnKWp/H1bJ3nLFk9YvgakdY5UGt

Score

10^/10

vidar 191375c1805c0d5109ea6297d63371b2 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

191375c1805c0d5109ea6297d63371b2

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/1296-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1296-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1296-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1296-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.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 4120 set thread context of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90

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
1928	4120	WerFault.exe	83

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	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3428	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 4120 wrote to memory of 1296	4120	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	90
PID 1296 wrote to memory of 3352	1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	97
PID 1296 wrote to memory of 3352	1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	97
PID 1296 wrote to memory of 3352	1296	54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe	97
PID 3352 wrote to memory of 3428	3352	cmd.exe	100
PID 3352 wrote to memory of 3428	3352	cmd.exe	100
PID 3352 wrote to memory of 3428	3352	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
"C:\Users\Admin\AppData\Local\Temp\54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe
  "C:\Users\Admin\AppData\Local\Temp\54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.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:1296
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800.exe" & rd /s /q "C:\ProgramData\IDBFHJDAAFBA" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3352
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 292
  2⤵
  - Program crash
  PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4120 -ip 4120
1⤵
PID:2392

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/1296-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1296-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1296-6-0x0000000000060000-0x00000000000F1000-memory.dmp

Filesize
580KB

Download
memory/1296-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1296-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1296-15-0x000000001FFE0000-0x000000002023F000-memory.dmp

Filesize
2.4MB

Download
memory/4120-0-0x00000000000EB000-0x00000000000EC000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads