vidar | 9a61e776585dc88a15e548278caead09cdb871d4f4fac962cf14f0d43eca9c25

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2023 14:00

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General

Target

tmp.exe
Size

409KB
MD5

24604438f2cb5fcbda87b9fe3f817bcb
SHA1

fe61f3c2824ea356df33eba858d5abed8f46ef82
SHA256

9a61e776585dc88a15e548278caead09cdb871d4f4fac962cf14f0d43eca9c25
SHA512

179fbb54aa9f3f87ff56c2521354a846d67115e691f2c9821dca92ed01b0492334ced528b33d3062d9a5575fa3ae0e1a12f2cf89150d380234af3921edcb7f9d
SSDEEP

6144:YtojTSy7+iRLF+NkKloo39+Te9Oy4BXZ/lZX02oNawWk/mrFy27UoZkCDqUFh:bSAM/99+Te9nWzZXcp/GF7UyDqUFh

Score

10^/10

vidar 2548f166286a0b36dbfd9f8a1ac09311 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

2548f166286a0b36dbfd9f8a1ac09311

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes

profile_id_v2
2548f166286a0b36dbfd9f8a1ac09311

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

vbc.exe

pid process

3456 vbc.exe
3456 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 2744 set thread context of 3456 2744 tmp.exe vbc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3680 3456 WerFault.exe vbc.exe

pid	process
3456	vbc.exe
3456	vbc.exe

description	pid	process	target process
PID 2744 set thread context of 3456	2744	tmp.exe	vbc.exe

pid	pid_target	process	target process
3680	3456	WerFault.exe	vbc.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

Processes:

vbc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

3456 vbc.exe
3456 vbc.exe

pid	process
3456	vbc.exe
3456	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe
PID 2744 wrote to memory of 3456	2744	tmp.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1820
    3⤵
    - Program crash
    PID:3680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3456 -ip 3456
1⤵
PID:1668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

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/2744-137-0x0000000005940000-0x0000000005950000-memory.dmp

Filesize
64KB

Download
memory/2744-219-0x0000000005940000-0x0000000005950000-memory.dmp

Filesize
64KB

Download
memory/2744-133-0x0000000000F40000-0x0000000000FAC000-memory.dmp

Filesize
432KB

Download
memory/3456-148-0x0000000051780000-0x0000000051873000-memory.dmp

Filesize
972KB

Download
memory/3456-138-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-136-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-135-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-216-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-217-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-218-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/3456-134-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download