vidar | f2c2df5d625c6983881695ab53416c52aa574821e01074f607b6039e5d79e76f

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 05:53

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General

Target

2e45d5934db7da8ff7b560a80ceb96ab.exe
Size

144KB
MD5

2e45d5934db7da8ff7b560a80ceb96ab
SHA1

e1d653b1a6acbacd6eb592041d21786ca3a633c8
SHA256

f2c2df5d625c6983881695ab53416c52aa574821e01074f607b6039e5d79e76f
SHA512

7caedba355fbf00ff68e17345ca7fdf79e2dba70c7284dc3bb7bfe4afc478f1f4ca4969ccf3080a391c138abf6f0d14b30e2832e3eaf4a3072519c08621c635a
SSDEEP

3072:lOBRrLUOPed9xOi756fJnhsRSK2C22/m4ESZo3XRYzXIkQfyIzdEpx:A/rLVPW0nsP2Xy+TJfVzW7

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/4324-0-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4324-7-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2e45d5934db7da8ff7b560a80ceb96ab.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e45d5934db7da8ff7b560a80ceb96ab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2e45d5934db7da8ff7b560a80ceb96ab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2e45d5934db7da8ff7b560a80ceb96ab.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4000	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4324	2e45d5934db7da8ff7b560a80ceb96ab.exe
4324	2e45d5934db7da8ff7b560a80ceb96ab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 4508	4324	2e45d5934db7da8ff7b560a80ceb96ab.exe	89
PID 4324 wrote to memory of 4508	4324	2e45d5934db7da8ff7b560a80ceb96ab.exe	89
PID 4324 wrote to memory of 4508	4324	2e45d5934db7da8ff7b560a80ceb96ab.exe	89
PID 4508 wrote to memory of 4000	4508	cmd.exe	91
PID 4508 wrote to memory of 4000	4508	cmd.exe	91
PID 4508 wrote to memory of 4000	4508	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\2e45d5934db7da8ff7b560a80ceb96ab.exe
"C:\Users\Admin\AppData\Local\Temp\2e45d5934db7da8ff7b560a80ceb96ab.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2e45d5934db7da8ff7b560a80ceb96ab.exe" & rd /s /q "C:\ProgramData\BSR1N7YM7GVA" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4000

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/4324-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4324-7-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download