Analysis

  • max time kernel
    89s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2023 02:25

General

  • Target

    Ghost Hunter Vena_d-34UG1.exe

  • Size

    10.5MB

  • MD5

    7c3cdfd4ec2ef7074aa6cba65aedec95

  • SHA1

    b248fdaf6f4bdcb0c470059065069c931c9b6362

  • SHA256

    6dea57ecfe1a092b1c434f571276426140f18b514b79128f8daee7d61cd85c63

  • SHA512

    c40ba8d6663ea6a3e9125d8bcdb2cae8fc34cfc9d6b70746769d7c0921176f21a881f85a91f6f6280f7ddacd654d7ae394de01718a8210968ed8cafe2f82de52

  • SSDEEP

    12288:fuI/t26BoC4OIrOdSj5KFbkj2jUUDJLLUp+ezD3iH:TuOdSf2IKRU

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

moscow-post.ru/blogggg/blogger.php

Signatures

  • Mars Stealer

    An infostealer written in C++ based on other infostealers.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ghost Hunter Vena_d-34UG1.exe
    "C:\Users\Admin\AppData\Local\Temp\Ghost Hunter Vena_d-34UG1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\ProgramData\WindowsHolographicDevices\L81A33P7OS2JZL.exe
      "C:\ProgramData\WindowsHolographicDevices\L81A33P7OS2JZL.exe"
      2⤵
      • Executes dropped EXE
      PID:3260
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 1404
        3⤵
        • Program crash
        PID:4944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3260 -ip 3260
    1⤵
      PID:3120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\WindowsHolographicDevices\L81A33P7OS2JZL.exe

      Filesize

      159KB

      MD5

      c68be1642adc5cb69f48b5a7605984ff

      SHA1

      091f7a33e6e0ddca20b5384d82edcf17feed921b

      SHA256

      26a05a291545b60e2218a663e3c9d629cdd0e076ec8d7adb2ca03cab80d2f3df

      SHA512

      0198b77c624df5639e058e46e92085410bb0f3aca2b45e9ffa9dc26588134755b5e13e213057dd6918f8f2573c214023bd04dc07b68ca329b7e5a440b2f5013f

    • memory/3260-12-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3260-15-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/5088-0-0x0000000000B90000-0x0000000000C02000-memory.dmp

      Filesize

      456KB

    • memory/5088-1-0x00000000750B0000-0x0000000075860000-memory.dmp

      Filesize

      7.7MB

    • memory/5088-2-0x00000000055F0000-0x0000000005600000-memory.dmp

      Filesize

      64KB

    • memory/5088-13-0x00000000750B0000-0x0000000075860000-memory.dmp

      Filesize

      7.7MB