Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:10

General

  • Target

    24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910.exe

  • Size

    2.1MB

  • MD5

    33b96fcceb00475b31415e2a2fe17ac5

  • SHA1

    b9412d4157d27757d173838e702044a270fc5c8d

  • SHA256

    24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910

  • SHA512

    1986c7951f0892f3c0a582bff8c5c7a92a146e84aeaa9030082e2bfaf159e01f349b759bbf48fa6d0e78a9edb20731f07fd4a374930f127ba817eeae96893c94

  • SSDEEP

    12288:4dlcbU3ucnv02SS8M9zNYhZB2/FoooEeBHoUojP:4vDb928tFWB4P

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 5 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910.exe
    "C:\Users\Admin\AppData\Local\Temp\24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\2OGW.exe
      "C:\Users\Admin\AppData\Local\Temp\2OGW.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 1424
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\2OGW.exe

    Filesize

    159KB

    MD5

    a189002dc2c26fe21a7d25d171e71699

    SHA1

    ee96ca8dfd8fa8e04754936b5a8205ed68869fef

    SHA256

    26838d9cf197e16a55066ad6fa480d510f249e587143c232cd2176f3f3785b67

    SHA512

    00ebc62424e78aef56ed4b0e94ae2b924185e8dfe61e2eb982e93ebec371f71719f7be59e687e0f233eb84de88e98086ce211e4b6c5bd83106d1e6ff0b970321

  • memory/2348-13-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2388-0-0x0000000001330000-0x00000000013D8000-memory.dmp

    Filesize

    672KB

  • memory/2388-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-12-0x0000000000B40000-0x0000000000B7D000-memory.dmp

    Filesize

    244KB

  • memory/2388-11-0x0000000000B40000-0x0000000000B7D000-memory.dmp

    Filesize

    244KB

  • memory/2388-14-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB