Analysis

  • max time kernel
    156s
  • max time network
    165s
  • 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 23:44

General

  • Target

    3b5e9f4c6084ea2829600331178d9c03.exe

  • Size

    581KB

  • MD5

    3b5e9f4c6084ea2829600331178d9c03

  • SHA1

    3358bfe3fc47f7c8666c14511aae1b146622bd25

  • SHA256

    4315d8ec233574613d2ed77b9f38a803cc43d6370a2333ac5347bc9cac9eb313

  • SHA512

    0df49d2c5ca4f94dc628cd727e1e82bb302b910a80d24ce8d4d2734c88ab94de3688df256d0bc656575494a9c52a532454c37d846071ba0c9888e968fab53af8

  • SSDEEP

    12288:aZ5FCmnH/edWMQgHo3ZpkK6k10Apt7XYZMW0rwrsu:rmnH/8o30Kx1pt7Xeh3

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\3b5e9f4c6084ea2829600331178d9c03.exe
    "C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
      "C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe"
      2⤵
        PID:928

    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/928-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/928-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/928-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/928-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4000-1-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/4000-2-0x00000000005E0000-0x0000000000627000-memory.dmp

      Filesize

      284KB