vidar | 168ae0f09a9376003d735b592b46125da5cc43d7e13ce7d9007328f76fb4ae8a

General

Target

2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe
Size

21.1MB
MD5

6d6bbf1e873fb791141ea7fe2c166dcf
SHA1

bb43a4a6bcf531617ba95c4a9a18807322196f6f
SHA256

168ae0f09a9376003d735b592b46125da5cc43d7e13ce7d9007328f76fb4ae8a
SHA512

b10059c3696fa4cc216cb54dcb2893453bc85f496372aa0f369a081abe6632dfc2a1e8fb8bf37db867fb8f71e0467b6e467b8a9a79a253ddb550491e22d7a2fc
SSDEEP

49152:OZN6W2fQrQOVlMmtSUmUCAI/sysIDuEjj6fk2UucKP9dQb:c6WDRKLUCZ2UucKFm

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral2/memory/2136-1-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/2136-2-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/2136-3-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/2136-10-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/2136-11-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/2136-12-0x0000000000400000-0x0000000000639000-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 4064 set thread context of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96

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_6d6bbf1e873fb791141ea7fe2c166dcf_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
2908	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	BitLockerToGo.exe
2136	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 4064 wrote to memory of 2136	4064	2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe	96
PID 2136 wrote to memory of 2400	2136	BitLockerToGo.exe	100
PID 2136 wrote to memory of 2400	2136	BitLockerToGo.exe	100
PID 2136 wrote to memory of 2400	2136	BitLockerToGo.exe	100
PID 2400 wrote to memory of 2908	2400	cmd.exe	102
PID 2400 wrote to memory of 2908	2400	cmd.exe	102
PID 2400 wrote to memory of 2908	2400	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_6d6bbf1e873fb791141ea7fe2c166dcf_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4064
- 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:2136
- - 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\89R1NGVKNGVA" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2400
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2908

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/2136-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-1-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-2-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-3-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-10-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-11-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2136-12-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download

Analysis

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