vidar | 516d15f9154a2c096effe0797ddef98d44bc1b7e8469880cfbada34ca812acd9

General

Target

2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe
Size

13.0MB
MD5

b9f9c8e89f6b320ea6902a9134c2e08b
SHA1

8e826bb7842def06b4882f904529e651ce2163e3
SHA256

516d15f9154a2c096effe0797ddef98d44bc1b7e8469880cfbada34ca812acd9
SHA512

e96addc4e7197e43119c4dc3fb79831ab4440a69cdca260b372304957082e080e71763e56aed638e8ce20115ae80c43ec2456fe3b4fe00a971417f433155fc1e
SSDEEP

49152:OZN6W2fQrQOVlMmtSUmUCAI/sysIDuEjj6fk2UucKP9dQb:c6WDRKLUCZ2UucKFm

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/4684-1-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-5-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-7-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-8-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-15-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-16-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7
behavioral2/memory/4684-17-0x0000000000880000-0x0000000000AB9000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4144 set thread context of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82

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	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.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	BitLockerToGo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3920	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4684	BitLockerToGo.exe
4684	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4144 wrote to memory of 4684	4144	2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe	82
PID 4684 wrote to memory of 4636	4684	BitLockerToGo.exe	91
PID 4684 wrote to memory of 4636	4684	BitLockerToGo.exe	91
PID 4684 wrote to memory of 4636	4684	BitLockerToGo.exe	91
PID 4636 wrote to memory of 3920	4636	cmd.exe	93
PID 4636 wrote to memory of 3920	4636	cmd.exe	93
PID 4636 wrote to memory of 3920	4636	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_b9f9c8e89f6b320ea6902a9134c2e08b_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4684
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe" & rd /s /q "C:\ProgramData\G4WBIWT2NGVA" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4684-0-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-1-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-5-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-7-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-8-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-15-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-16-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download
memory/4684-17-0x0000000000880000-0x0000000000AB9000-memory.dmp

Filesize
2.2MB

Download

Analysis

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