Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 21:22

General

  • Target

    32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

  • Size

    619KB

  • MD5

    ba6e7e1e9161199cda53984e8797add7

  • SHA1

    c4ad796a18ffab0ef5f7df1a0db302114a4826d1

  • SHA256

    32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775

  • SHA512

    7cda7fc206a871949955bdc5dba5f0d53673b637d5a48c42be2095b461b83a5916c43e4037eb77c353cf01838c860f3ab31ce8f5b38631088578de107eba9b66

  • SSDEEP

    12288:K5XTI5PwjN7SJxjHhXXBVDgIQ7JMKjK5+GbKGvOs2JCo/bSJBoFnCMX6k:KppbjjaatFKk

Malware Config

Extracted

Family

marsstealer

Botnet

Default

Signatures

  • Mars Stealer

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe
    "C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Roaming\Adobe\UZ.exe
      "C:\Users\Admin\AppData\Roaming\Adobe\UZ.exe"
      2⤵
      • Executes dropped EXE
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Adobe\UZ.exe

    Filesize

    159KB

    MD5

    6c919bd1a5cf9a961aabade412f587cb

    SHA1

    5faaf4f33cb37eae2dc909d9b01c46bd9c7eb198

    SHA256

    dcfd1325f755080466602c7dcf44588b2e57ba7e59c47ba561d750c0f28a4be1

    SHA512

    de5a6e11b85ed4c5b13492f0b679f00c419a2d0f2ff06547cd385af34ae0ca3d0de614f082b2b03095e8c10bed2c304e123a2ad4ee56d687aeb5ebbab5399967

  • memory/2780-14-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2836-0-0x0000000000800000-0x00000000008A0000-memory.dmp

    Filesize

    640KB

  • memory/2836-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-2-0x0000000004CE0000-0x0000000004D20000-memory.dmp

    Filesize

    256KB

  • memory/2836-11-0x00000000007B0000-0x00000000007ED000-memory.dmp

    Filesize

    244KB

  • memory/2836-13-0x00000000007B0000-0x00000000007ED000-memory.dmp

    Filesize

    244KB

  • memory/2836-15-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB