Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 03:59

General

  • Target

    273f1af201e27a51355ae1a73542a480.exe

  • Size

    589KB

  • MD5

    273f1af201e27a51355ae1a73542a480

  • SHA1

    159905cc53d2a1b12be278bde34369bdf8b130a1

  • SHA256

    32ff140729fa9a72bbbff9500b010914da021a947bfeecb4917a2f6971fac33a

  • SHA512

    15bac17bda30369db33754cfecff1a7577663cab0ec0f358fd490043d2e5eb85bfc4fe61a1c81de545661e8a03e25b9b907fe77d6feb82a0d12298e3214da16f

  • SSDEEP

    12288:/pcGjTi0TpOZeowYIi6TXnKag7STMW0rwrsu:7jTi0sKXrg7wh3

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\273f1af201e27a51355ae1a73542a480.exe
    "C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
      "C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe"
      2⤵
        PID:4288

    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/2004-2-0x0000000004E70000-0x0000000004EB7000-memory.dmp

      Filesize

      284KB

    • memory/2004-1-0x0000000003380000-0x0000000003480000-memory.dmp

      Filesize

      1024KB

    • memory/4288-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4288-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4288-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4288-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB