vidar | 53c454d3daba412d544f91eddec97c12c12f0b16aa1aa1595527be78210fbfcf

General

Target

SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
Size

598KB
MD5

af5bfaa4908459155ade24245aab4a1b
SHA1

9d816d1d533e0b29e3765a1c5b8aba8de69e2f0b
SHA256

53c454d3daba412d544f91eddec97c12c12f0b16aa1aa1595527be78210fbfcf
SHA512

c4e51850a87d26253c81673021a79d5292344ad6e7b02c92fd65bb04d9832d18522083137b7e662779a7043bcfd39a879e16f7acbd2797a0f85993178fad76cd
SSDEEP

12288:dMmEES7ltqomDzkCeg3cOZG7/hHijTt9qhRuhUiMpwFDZ64fEETEO:dM7P7l6eQl9+Rn+klmt

Score

10^/10

vidar 8ecc9c7eaebfdf2a8cc0586d7419d6ea discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

8ecc9c7eaebfdf2a8cc0586d7419d6ea

C2

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/4480-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4480-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 896 set thread context of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2412	896	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4480	MSBuild.exe
4480	MSBuild.exe
4480	MSBuild.exe
4480	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 840	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	85
PID 896 wrote to memory of 840	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	85
PID 896 wrote to memory of 840	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	85
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86
PID 896 wrote to memory of 4480	896	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	86

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 296
  2⤵
  - Program crash
  PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 896 -ip 896
1⤵
PID:3228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/896-0-0x0000000000BAF000-0x0000000000BB1000-memory.dmp

Filesize
8KB

Download
memory/4480-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-11-0x0000000022260000-0x00000000224BF000-memory.dmp

Filesize
2.4MB

Download
memory/4480-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4480-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing