vidar | 66337b6e8a6117d46ffbaed1ffce2345674e67106e27c97895f655a999511531

Analysis

max time kernel
138s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2023 16:35

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General

Target

buildjj_JC.exe
Size

420KB
MD5

3bb83d8faee0adb5b1e5281de2757d34
SHA1

fa91b2403a17d73ec576bec86aad40c48c460c61
SHA256

66337b6e8a6117d46ffbaed1ffce2345674e67106e27c97895f655a999511531
SHA512

f455669988c2cf57c85f6ceee453cda6e1b8c548a24c48a876871ff5e40fd501fc2dcb19642cefe1b8039c85d1da25c095dc55c4353f2a210a51dd5f553d615a
SSDEEP

12288:SeT3EEE1epldN4ICyJiGoN6HwKnbR7tmxGe9/jFFG60DG:SeT0EEMpldNuyJiYHwKbRm/j3I

Score

10^/10

vidar 8027148886cf270a67174e17ebea81f8 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

5.3

Botnet

8027148886cf270a67174e17ebea81f8

https://t.me/buukcay

https://steamcommunity.com/profiles/76561199544211655

Attributes

profile_id_v2
8027148886cf270a67174e17ebea81f8

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\Control Panel\International\Geo\Nation	buildjj_JC.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	buildjj_JC.exe
1820	buildjj_JC.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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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).

System Information Discovery
T1082

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	buildjj_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	buildjj_JC.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1440	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1820	buildjj_JC.exe
1820	buildjj_JC.exe
1820	buildjj_JC.exe
1820	buildjj_JC.exe
1820	buildjj_JC.exe
1820	buildjj_JC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1688	1820	buildjj_JC.exe	90
PID 1820 wrote to memory of 1688	1820	buildjj_JC.exe	90
PID 1820 wrote to memory of 1688	1820	buildjj_JC.exe	90
PID 1688 wrote to memory of 1440	1688	cmd.exe	92
PID 1688 wrote to memory of 1440	1688	cmd.exe	92
PID 1688 wrote to memory of 1440	1688	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\buildjj_JC.exe
"C:\Users\Admin\AppData\Local\Temp\buildjj_JC.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\buildjj_JC.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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/1820-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1820-1-0x00000000008F0000-0x000000000095F000-memory.dmp

Filesize
444KB

Download
memory/1820-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1820-59-0x00000000008F0000-0x000000000095F000-memory.dmp

Filesize
444KB

Download
memory/1820-60-0x00000000008F0000-0x000000000095F000-memory.dmp

Filesize
444KB

Download
memory/1820-61-0x00000000008F0000-0x000000000095F000-memory.dmp

Filesize
444KB

Download