vidar | b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b

General

Target

b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
Size

68KB
MD5

5a4ccccb90b0aaa3b248d4f0dde38823
SHA1

be8f1d791a81696cd58e7f837a97aaea58eeb26a
SHA256

b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b
SHA512

a75db1a19a6bc4f5a9c5437864cb01e5d139ef56365e3d320035fcfa65a713886f78a6fe2f3eb130e35bed1a25e4fe73d712b6e03ed6bb373e73a6c3a3cb7737
SSDEEP

1536:T7os4AvSdEcNj56sWOr3H8+wMiT8om0QSnouy8:TBvSdEcHWswxQJ0Zout

Score

10^/10

vidar af458cf23e4b27326a35871876cc63d9 credential_access discovery spyware stealer upx

Malware Config

Extracted

Family

vidar

Version

10.6

Botnet

af458cf23e4b27326a35871876cc63d9

C2

https://steamcommunity.com/profiles/76561199747278259

https://t.me/armad2a

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.1 Safari/537.36

Signatures

Detect Vidar Stealer 1 IoCs

stealer

resource	yara_rule
behavioral2/memory/3884-2-0x00000000001E0000-0x0000000000428000-memory.dmp	family_vidar_v7

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3884-0-0x00000000001E0000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/3884-2-0x00000000001E0000-0x0000000000428000-memory.dmp	upx

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	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.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	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4704	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 1284	3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe	85
PID 3884 wrote to memory of 1284	3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe	85
PID 3884 wrote to memory of 1284	3884	b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe	85
PID 1284 wrote to memory of 4704	1284	cmd.exe	88
PID 1284 wrote to memory of 4704	1284	cmd.exe	88
PID 1284 wrote to memory of 4704	1284	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe
"C:\Users\Admin\AppData\Local\Temp\b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.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:3884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b802eb0f4a10d4aecc9015ee86ddc9b1249212dcabc2ecb6aa97418d0de7722b.exe" & rd /s /q "C:\ProgramData\JJDBFCAEBFIJ" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4704

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3884-0-0x00000000001E0000-0x0000000000428000-memory.dmp

Filesize
2.3MB

Download
memory/3884-2-0x00000000001E0000-0x0000000000428000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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