vidar | 9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2

General

Target

9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe
Size

11.4MB
MD5

c1b698ca8a8fc54a5d3ad63fed72bd66
SHA1

321ec0550acbd04b367e8f51ff021b805c2d97a0
SHA256

9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2
SHA512

6514b7ea8d567a2a6a886d8a5625ecb6c3b443e795ac7c4e4717a3408d142acd8f7fe32965847a93dbfea5d482f1d1ae16bbddc8dbe514950b165d007aa1ac91
SSDEEP

98304:57rZhqVe+a0qNQTIa4tueNdhIAU/BRWxfifqt3:XYUugQ8i5BO3

Score

10^/10

vidar credential_access discovery spyware 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 12 IoCs

stealer

resource	yara_rule
behavioral2/memory/4388-7-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-4-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-1-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-10-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-22-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-23-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-37-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-38-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-52-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-53-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-84-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7
behavioral2/memory/4388-85-0x0000000000600000-0x0000000000857000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 800 set thread context of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.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
1632	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe
4388	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 800 wrote to memory of 4388	800	9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe	92
PID 4388 wrote to memory of 4928	4388	BitLockerToGo.exe	95
PID 4388 wrote to memory of 4928	4388	BitLockerToGo.exe	95
PID 4388 wrote to memory of 4928	4388	BitLockerToGo.exe	95
PID 4928 wrote to memory of 1632	4928	cmd.exe	97
PID 4928 wrote to memory of 1632	4928	cmd.exe	97
PID 4928 wrote to memory of 1632	4928	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe
"C:\Users\Admin\AppData\Local\Temp\9dd83e60f712bcb6dfa97993cdf391b2cc372f0b8b3790979a379dbe9f4ed3e2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4388
- - 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\HJJEGCAAECBF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4928
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

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

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/4388-10-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-38-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-0-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-22-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-23-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-24-0x0000000021A80000-0x0000000021CDF000-memory.dmp

Filesize
2.4MB

Download
memory/4388-37-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-1-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-52-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-53-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-4-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-7-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-84-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download
memory/4388-85-0x0000000000600000-0x0000000000857000-memory.dmp

Filesize
2.3MB

Download

Analysis

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