vidar | 168e7f9a8b1925f76799a6f095ba5423f4e9fa224b14a9f2e64911e392ae1f90

General

Target

2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe
Size

28.6MB
MD5

c90c19fa4ce7ada63c63295abe77249c
SHA1

9e1089e885eb2c5049e1353d7cbdaefb410dacf2
SHA256

168e7f9a8b1925f76799a6f095ba5423f4e9fa224b14a9f2e64911e392ae1f90
SHA512

14282316e60b19c4e602f1c37183b2bb8cdf27173adb4426fef27ee3d90e2f4f53a6d93575d55dbcb4708dfec52a83a6d6812e8f418c27fe16ee6728432e348d
SSDEEP

196608:GXG1+T//QLRRIlc6WYyNOAGfa0Q4CGOZCStOutpAwfT:yj/XSDD4CGOZCy9tT7

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral2/memory/540-5-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/540-6-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/540-9-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/540-23-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/540-24-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/540-25-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer 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 4804 set thread context of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.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
2228	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
540	BitLockerToGo.exe
540	BitLockerToGo.exe
540	BitLockerToGo.exe
540	BitLockerToGo.exe
540	BitLockerToGo.exe
540	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 4804 wrote to memory of 540	4804	2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe	81
PID 540 wrote to memory of 2840	540	BitLockerToGo.exe	84
PID 540 wrote to memory of 2840	540	BitLockerToGo.exe	84
PID 540 wrote to memory of 2840	540	BitLockerToGo.exe	84
PID 2840 wrote to memory of 2228	2840	cmd.exe	86
PID 2840 wrote to memory of 2228	2840	cmd.exe	86
PID 2840 wrote to memory of 2228	2840	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_c90c19fa4ce7ada63c63295abe77249c_poet-rat_snatch_zxxz.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- 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:540
- - 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\IEBAAFCAFCBK" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2228

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/540-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-5-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-6-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-9-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-23-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-24-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/540-25-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download

Analysis

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