Resubmissions

21/04/2025, 09:34

250421-ljrrga1rt5 10

21/04/2025, 09:28

250421-lffj2aytdt 7

General

  • Target

    Iаuncher_v9.1.rar

  • Size

    13.6MB

  • Sample

    250421-ljrrga1rt5

  • MD5

    6adf66f995f52565c6f44edd024ad6d5

  • SHA1

    4ced5eb46794194e90a0baf8d01d78efdaaa2a77

  • SHA256

    39b8d89f49c86b2a1f876763e3b4666749c85de715aa10aa96a00d5a2d83861a

  • SHA512

    0ccc86c3e6605299f2d24c7982e909af038ffc030e82426ac7cecf8f797e2b0122b18722056d381764056c21e340e8e01df1b1025764e7a9158d43cbcb944522

  • SSDEEP

    393216:xTR2upwCQ5NKmlfv29/Vbrb3C48I5x2jUyt2jSVdXR/X:x8gwCQPJv29BHzfxdQ3R/

Malware Config

Extracted

Family

vidar

Version

13.5

Botnet

fe765de57643ac9d227ea7737a97bb87

C2

https://t.me/v00rd

https://steamcommunity.com/profiles/76561199846773220

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      Iаuncher_v9.1.rar

    • Size

      13.6MB

    • MD5

      6adf66f995f52565c6f44edd024ad6d5

    • SHA1

      4ced5eb46794194e90a0baf8d01d78efdaaa2a77

    • SHA256

      39b8d89f49c86b2a1f876763e3b4666749c85de715aa10aa96a00d5a2d83861a

    • SHA512

      0ccc86c3e6605299f2d24c7982e909af038ffc030e82426ac7cecf8f797e2b0122b18722056d381764056c21e340e8e01df1b1025764e7a9158d43cbcb944522

    • SSDEEP

      393216:xTR2upwCQ5NKmlfv29/Vbrb3C48I5x2jUyt2jSVdXR/X:x8gwCQPJv29BHzfxdQ3R/

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

    • Target

      S0FTWARE.exe

    • Size

      349KB

    • MD5

      656a1813b1f6b1b23f86868148f03c97

    • SHA1

      171427be31c7cd18d2838e9c985240a77370c99c

    • SHA256

      98a355651f9f043e1ed3eaf1ac5ef8ff617f3438969e6488ef05ada40bac12d2

    • SHA512

      69444b0a88c3a46da193a4920546a371b9243cb8a925ae725dc33e964f2342fe554e6e7f163f5d7eb6eb2b57e8d40d26e7fb2ff0ebf6b086402b20b69d21b2a7

    • SSDEEP

      6144:ZdCuJHaXn51HBOWGEI8ue6/W4yJIyhBzOTVa:ZwuJqnbBjGEIn/W4yOk1

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks