vidar | 9b0e3f676d8db16a09b3e1aba66d8400db2f6e25fadccdb5bd5dd5f10c244535

General

Target

setup.exe
Size

761.7MB
MD5

026f00beb4df468d3ea64ecbcc112e91
SHA1

e9b4254225f79d5acfd4a14707b9c62d9abb871f
SHA256

eda7470f276c268f23e4e52e26db58e768159662160f84a2c95aee45f059e96f
SHA512

77eda8c77337a53ac7d060122ca9dac2ac19bbad57a3640eb2734a14e1e84d5b670d3bdb1f399ded2f6024ba83ff438e90608082149cb7cd02fd5c39b37ad2db
SSDEEP

6144:E1DWWl1mETFUMDo3v02vdzLZCpQeCIui9HPOB/8XJFKWJcp/mkhW0ShbZgl4k:A11JrSIuIHPOB/3WJcp/g3k

Score

10^/10

vidar 1375 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.8

Botnet

1375

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
1375

Signatures

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

Processes:

vbc.exe

pid process

1100 vbc.exe
1100 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:

setup.exe

description pid process target process

PID 1704 set thread context of 1100 1704 setup.exe vbc.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

592 1704 WerFault.exe setup.exe
848 1100 WerFault.exe vbc.exe

pid	process
1100	vbc.exe
1100	vbc.exe

description	pid	process	target process
PID 1704 set thread context of 1100	1704	setup.exe	vbc.exe

pid	pid_target	process	target process
592	1704	WerFault.exe	setup.exe
848	1100	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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

vbc.exe

pid process

1100 vbc.exe

pid	process
1100	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

setup.exevbc.exe

description	pid	process	target process
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 1100	1704	setup.exe	vbc.exe
PID 1704 wrote to memory of 592	1704	setup.exe	WerFault.exe
PID 1704 wrote to memory of 592	1704	setup.exe	WerFault.exe
PID 1704 wrote to memory of 592	1704	setup.exe	WerFault.exe
PID 1704 wrote to memory of 592	1704	setup.exe	WerFault.exe
PID 1100 wrote to memory of 848	1100	vbc.exe	WerFault.exe
PID 1100 wrote to memory of 848	1100	vbc.exe	WerFault.exe
PID 1100 wrote to memory of 848	1100	vbc.exe	WerFault.exe
PID 1100 wrote to memory of 848	1100	vbc.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1704

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
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 1336
3⤵
- Program crash
PID:848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 36
2⤵
- Program crash
PID:592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/592-65-0x0000000000000000-mapping.dmp

Download
memory/848-87-0x0000000000000000-mapping.dmp

Download
memory/1100-55-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1100-57-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1100-63-0x000000000042354C-mapping.dmp

Download
memory/1100-64-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1100-67-0x000000006EF50000-0x000000006F043000-memory.dmp

Filesize
972KB

Download
memory/1704-54-0x0000000076161000-0x0000000076163000-memory.dmp

Filesize
8KB

Download

Analysis

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