vidar | 5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97

General

Target

5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe
Size

315KB
MD5

d08fb132524e824ca66d315b6fb23ea1
SHA1

85d6aae899ae56b45a493d6a65edb460d70f75f2
SHA256

5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97
SHA512

266e78d04fab571a36fc97946736c2c96721344c33d28699d13a5f9fb2b8673229acbb20d3a8ece1e17dfae4c06fa6fc2360e15da2cdc0003eae3d6b7fdf475c
SSDEEP

6144:4lJ8wtt/Lod5A0mehi5DGWpmpvcX2Dp7M6Py3OXBjBPTE:43bMbA3SiEbvcX2Dp7V63ORlb

Score

10^/10

vidar e881aaf79bbebc43874722496eacba76 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

5.6

Botnet

e881aaf79bbebc43874722496eacba76

C2

https://steamcommunity.com/profiles/76561199550790047

https://t.me/bonoboaz

Attributes

profile_id_v2
e881aaf79bbebc43874722496eacba76
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/103.0.0.0

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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe

Loads dropped DLL 2 IoCs

pid	Process
560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe
560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3292	560	WerFault.exe	79

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	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3264	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe
560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 2808	560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe	85
PID 560 wrote to memory of 2808	560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe	85
PID 560 wrote to memory of 2808	560	5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe	85
PID 2808 wrote to memory of 3264	2808	cmd.exe	89
PID 2808 wrote to memory of 3264	2808	cmd.exe	89
PID 2808 wrote to memory of 3264	2808	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe
"C:\Users\Admin\AppData\Local\Temp\5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5b4bced547eb17aa796a64c58e89f9d96e56edab6596e02ec13801bf5d452b97.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:3264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 1568
  2⤵
  - Program crash
  PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 560 -ip 560
1⤵
PID:464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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/560-0-0x00000000020C0000-0x00000000020EE000-memory.dmp

Filesize
184KB

Download
memory/560-1-0x0000000000570000-0x00000000005C0000-memory.dmp

Filesize
320KB

Download
memory/560-2-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/560-12-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/560-55-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/560-56-0x0000000000570000-0x00000000005C0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads