Analysis

  • max time kernel
    147s
  • 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
    25-01-2024 08:53

General

  • Target

    7443d0ba4bac7b6179fb4dbea6b0c5c5.exe

  • Size

    430KB

  • MD5

    7443d0ba4bac7b6179fb4dbea6b0c5c5

  • SHA1

    a27062085c7a060d96ec5a43cbf041d576a4e170

  • SHA256

    b1a2606bc4ca3d153ffc150561c2fcbcd3e35177b0843391bdd274ee6c49547c

  • SHA512

    c4421e4713ae8cf846d3e8d50dae9875c7512c16246791bff616ca35eddedbd41cbfba967f36dfb80cbee2d4928e7b30ef1b4d6875a06a89074c65f8652a9d71

  • SSDEEP

    6144:VQJabaq3EcGFBCusT7iMWPYIImSggFnLuMW0rLAb56dpLN4XQKJrsu:ualXmBCusSMWPYIIDjZLuMW0rwrsu

Malware Config

Extracted

Family

fickerstealer

C2

80.87.192.115:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7443d0ba4bac7b6179fb4dbea6b0c5c5.exe
    "C:\Users\Admin\AppData\Local\Temp\7443d0ba4bac7b6179fb4dbea6b0c5c5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\7443d0ba4bac7b6179fb4dbea6b0c5c5.exe
      "C:\Users\Admin\AppData\Local\Temp\7443d0ba4bac7b6179fb4dbea6b0c5c5.exe"
      2⤵
        PID:2556

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\kaosdma.txt

      Filesize

      12B

      MD5

      8cf4dec152a9d79a3d62202b886eda9b

      SHA1

      0c1b3d3d02c0b655aa3526a58486b84872f18cc2

      SHA256

      c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

      SHA512

      a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    • memory/2300-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

      Filesize

      1024KB

    • memory/2300-2-0x0000000004A30000-0x0000000004A77000-memory.dmp

      Filesize

      284KB

    • memory/2556-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2556-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2556-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2556-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB