Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18-01-2024 16:52

General

  • Target

    658a6fa6804da49a4c6da4d69a19ce5e.exe

  • Size

    451KB

  • MD5

    658a6fa6804da49a4c6da4d69a19ce5e

  • SHA1

    94174b9464f1f06541ed20fab90c3532eb6b270b

  • SHA256

    9039617680414a7f00e32f4df348c8ecd5be21dfb2366789e114cde1ed82be16

  • SHA512

    be2965670813d0b0446622cbde9d87fd8fd944459e99ceb402d3a6bdc56a64e781e48f53f74a0d2c220167bc51d67c859a5793ce5e43f507a8b136c546bfbf63

  • SSDEEP

    12288:d0r5G51U2pb4iORYtih9twqr/vvvzub+ER0CmSCq:dSm1U2pMiORYtGtr3nzuqEegC

Malware Config

Extracted

Family

fickerstealer

C2

91.241.19.100:80

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
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe
    "C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 92
        2⤵
        • Program crash
        PID:2672

    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/1848-0-0x0000000000CB0000-0x0000000000D22000-memory.dmp

      Filesize

      456KB

    • memory/1848-27-0x0000000000CB0000-0x0000000000D22000-memory.dmp

      Filesize

      456KB

    • memory/2080-1-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2080-2-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2080-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2080-21-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB