vidar | 6b3fe2adc134620108008daf5e8bc2046d10834b5f5fbcb421ff3bde4497005f

General

Target

Setup.exe
Size

381.5MB
MD5

488b292807addf2625f9b9cebcfe7f4c
SHA1

0d29e972b9ca08aaf4daabbfbb092fd18e8ad2bd
SHA256

e6e47ffae0c93126ecdd06eec051852a84dc8b8a26c53a8446ddf4a49285050f
SHA512

2bdde3a1a83bb25e13be2677e85edd33f4791eff3f9765896f844a3f20b22f9bdae04e400ed7ba8aff22827ee58508662511474df7976bfd523c1bf4ae23c316
SSDEEP

98304:dnOilxNDiSZcet7iLVI7Vc6WmP+1Eq03ZTHVtUBYGl/Oh9z:R7iwVnaEquZTHVaB7g3

Score

10^/10

vidar 1281 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

54.7

Botnet

1281

C2

https://t.me/blablblsdfd

Attributes

profile_id
1281

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

984 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

Setup.exe

pid process

1300 Setup.exe
1300 Setup.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
984	cmd.exe

pid	process
1300	Setup.exe
1300	Setup.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:

Setup.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1520 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1332 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Setup.exe

pid process

1300 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1332 taskkill.exe

pid	process
1520	timeout.exe

pid	process
1332	taskkill.exe

pid	process
1300	Setup.exe

description	pid	process
Token: SeDebugPrivilege	1332	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Setup.execmd.exe

description	pid	process	target process
PID 1300 wrote to memory of 984	1300	Setup.exe	cmd.exe
PID 1300 wrote to memory of 984	1300	Setup.exe	cmd.exe
PID 1300 wrote to memory of 984	1300	Setup.exe	cmd.exe
PID 1300 wrote to memory of 984	1300	Setup.exe	cmd.exe
PID 984 wrote to memory of 1332	984	cmd.exe	taskkill.exe
PID 984 wrote to memory of 1332	984	cmd.exe	taskkill.exe
PID 984 wrote to memory of 1332	984	cmd.exe	taskkill.exe
PID 984 wrote to memory of 1332	984	cmd.exe	taskkill.exe
PID 984 wrote to memory of 1520	984	cmd.exe	timeout.exe
PID 984 wrote to memory of 1520	984	cmd.exe	timeout.exe
PID 984 wrote to memory of 1520	984	cmd.exe	timeout.exe
PID 984 wrote to memory of 1520	984	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" '.131.97.143/c taskkill /im Setup.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & del C:\PrograData\*.dll & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:984

C:\Windows\SysWOW64\taskkill.exe
taskkill /im Setup.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1332

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:1520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

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/984-79-0x0000000000000000-mapping.dmp

Download
memory/1300-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1300-55-0x0000000001370000-0x0000000001AB3000-memory.dmp

Filesize
7.3MB

Download
memory/1300-59-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1332-80-0x0000000000000000-mapping.dmp

Download
memory/1520-81-0x0000000000000000-mapping.dmp

Download

Analysis

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