Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 08:41

General

  • Target

    9b3a48885e68dc3b8789d40b1b17cf29.exe

  • Size

    590KB

  • MD5

    9b3a48885e68dc3b8789d40b1b17cf29

  • SHA1

    dd5cd00cad61141902edb80b9e7b0f1871014129

  • SHA256

    10e1f1c29be80c8dd103f9fcb440ca20524a93c803dd6456218bdc0969942f3a

  • SHA512

    772c9d42d9cd1b1bb1aa4ee9c1c60325d1d1c8cb30d4229925854053f5dbb01acbe872544ca3423643a91d3507b53d2159c1ee2b58a7a354c6d734245d2e2604

  • SSDEEP

    12288:DFGTTS9rj8Caiyad10SmvEFPxUJ35mIMW0rwrsu:sT+1xdiEZxA35mIh3

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\9b3a48885e68dc3b8789d40b1b17cf29.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3a48885e68dc3b8789d40b1b17cf29.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Users\Admin\AppData\Local\Temp\9b3a48885e68dc3b8789d40b1b17cf29.exe
      "C:\Users\Admin\AppData\Local\Temp\9b3a48885e68dc3b8789d40b1b17cf29.exe"
      2⤵
        PID:3812

    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/3812-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3936-2-0x0000000004E80000-0x0000000004EC7000-memory.dmp

      Filesize

      284KB

    • memory/3936-1-0x0000000003280000-0x0000000003380000-memory.dmp

      Filesize

      1024KB