vidar | 454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2

General

Target

454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe
Size

571KB
MD5

ce42368b4e2e6ac175dcf2f8e2a9729c
SHA1

95cf67c3b6e2e261f0b86a69cbfeb05c30307381
SHA256

454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2
SHA512

3244fab9ce4307f9f5baede97f697fafb434d64ae7eec096dd9a686caf9fe7d7023df3965cb661a0673c1d61d6e3b7553834f094aa6bb28b7342fb3e81218a89
SSDEEP

12288:ygoEhvQ9zcMW21fTEjv75YGFDErZq0q5ORS4S:y+vQjIjz5hWS5S

Score

10^/10

vidar 4a5bc8b73e12425adc3c399da8136891 discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

4a5bc8b73e12425adc3c399da8136891

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 8 IoCs

stealer

resource	yara_rule
behavioral2/memory/184-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-30-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/184-31-0x0000000000400000-0x0000000000676000-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 1744 set thread context of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	1744	WerFault.exe	81

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	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.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
184	MSBuild.exe
184	MSBuild.exe
184	MSBuild.exe
184	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 3716	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	85
PID 1744 wrote to memory of 3716	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	85
PID 1744 wrote to memory of 3716	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	85
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86
PID 1744 wrote to memory of 184	1744	454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe	86

C:\Users\Admin\AppData\Local\Temp\454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe
"C:\Users\Admin\AppData\Local\Temp\454cc1022d742608516bc98da91be893556f594efcf036b837b4e214b40fdbc2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3716
- 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:184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 256
  2⤵
  - Program crash
  PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1744 -ip 1744
1⤵
PID:5032

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

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Downloads

memory/184-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-22-0x0000000025010000-0x000000002526F000-memory.dmp

Filesize
2.4MB

Download
memory/184-30-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/184-31-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1744-0-0x000000000103D000-0x000000000103F000-memory.dmp

Filesize
8KB

Download

Analysis

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