vidar | 1d4999768c08d43e6bb91df7d1e2d9903c23d06020b1f24dbe8d6b516a29b393

General

Target

2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe
Size

19.8MB
MD5

7864deaa9953329b0a490dbab14fb98f
SHA1

2264b7e1bd13754089844b82a363a243e9b2219e
SHA256

1d4999768c08d43e6bb91df7d1e2d9903c23d06020b1f24dbe8d6b516a29b393
SHA512

8dbf600e86ff2e19c685e040b6120b227f8726c1f38a31e1100f4cb27b8b58b711379838a9f63436a3921e97567f8e393ac0993b14e874af74d9ea2f27ba625d
SSDEEP

49152:uALO5Ug0R4rbJv9iveDrquwzSN4lj3Gn2UQflFUUWxgRgPW2OVN3Pf4pJkKx6G6v:uAa5UPRI7ive/w8nZST/koD

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral2/memory/4028-1-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4028-2-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4028-3-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4028-10-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4028-11-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4028-12-0x0000000000400000-0x0000000000639000-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 2824 set thread context of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97

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	2024-12-20_7864deaa9953329b0a490dbab14fb98f_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
5064	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4028	BitLockerToGo.exe
4028	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 2824 wrote to memory of 4028	2824	2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe	97
PID 4028 wrote to memory of 4680	4028	BitLockerToGo.exe	101
PID 4028 wrote to memory of 4680	4028	BitLockerToGo.exe	101
PID 4028 wrote to memory of 4680	4028	BitLockerToGo.exe	101
PID 4680 wrote to memory of 5064	4680	cmd.exe	103
PID 4680 wrote to memory of 5064	4680	cmd.exe	103
PID 4680 wrote to memory of 5064	4680	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-20_7864deaa9953329b0a490dbab14fb98f_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:4028
- - 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\8YMYM7YUK6FU" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4680
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:5064

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

Loading Replay Monitor...

Downloads

memory/4028-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-1-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-2-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-3-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-10-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-11-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4028-12-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing