vidar | 78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 18:28

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General

Target

78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe
Size

279KB
MD5

78656a9b1ffae68fa53e8bbcb00bf586
SHA1

033b0bd0c08167eb5c785a098d36ba55c05fc468
SHA256

78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50
SHA512

bcd41e5d8326e42e6b12312ce2d5cf2dbd94421c7f481037c4f3f42db6ef7aa935316f11af03a1698d56fc560d88f23aaf6dd65e415e67ef10f29ad8918b425e
SSDEEP

3072:lOBRrLUOPed9xOi756fJnhsRSK2C22/m4ESZo3XRYzXIkQfyyzdEpxSJ+LcEZbeD:A/rLVPW0nsP2Xy+TJfzzW7m0qW8VJV

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/4000-0-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4000-7-0x0000000000400000-0x0000000000639000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.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	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.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	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2772	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4000	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe
4000	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2464	4000	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe	82
PID 4000 wrote to memory of 2464	4000	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe	82
PID 4000 wrote to memory of 2464	4000	78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe	82
PID 2464 wrote to memory of 2772	2464	cmd.exe	84
PID 2464 wrote to memory of 2772	2464	cmd.exe	84
PID 2464 wrote to memory of 2772	2464	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe
"C:\Users\Admin\AppData\Local\Temp\78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.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:4000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\78073e3c5b53cdf1c1157ab200b0a3685b9f1b50bffe36c91d6cba1ce22e5c50.exe" & rd /s /q "C:\ProgramData\ZCTRQ9R1VKF3" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2772

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/4000-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4000-7-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download