Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2024 02:21

General

  • Target

    85acb9da285b48bd88be93544e6ab891.exe

  • Size

    459KB

  • MD5

    85acb9da285b48bd88be93544e6ab891

  • SHA1

    945753fdead292267dd73120e12f32c6e7de8905

  • SHA256

    34f3b9f234678b539bda501e05a084b037f5f6f5a1e2973c60cfd27902646403

  • SHA512

    06ed567fa7e6a145b0b2bec36ebe10e664cfe1476b268e2f73b130701f451f0ef28dfe5307dc3d95a9e25b399513ba8a1c83ead498d5e964abbd72fd942e8e2c

  • SSDEEP

    12288:yWnteGBAllxpnSqey0YXRWYTGMW0rwrsu:yewnHFUYTGh3

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\85acb9da285b48bd88be93544e6ab891.exe
    "C:\Users\Admin\AppData\Local\Temp\85acb9da285b48bd88be93544e6ab891.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Local\Temp\85acb9da285b48bd88be93544e6ab891.exe
      "C:\Users\Admin\AppData\Local\Temp\85acb9da285b48bd88be93544e6ab891.exe"
      2⤵
        PID:4516

    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/368-1-0x0000000002EC0000-0x0000000002FC0000-memory.dmp

      Filesize

      1024KB

    • memory/368-2-0x0000000002E30000-0x0000000002E77000-memory.dmp

      Filesize

      284KB

    • memory/4516-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4516-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4516-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4516-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB