Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2024 09:19

General

  • Target

    Setup.exe

  • Size

    793.8MB

  • MD5

    9a851a47a9bd2f92c61d2486d1be3064

  • SHA1

    3cda31c06db97246705d95dfcf4908eafb514b87

  • SHA256

    7c2b51c31a895f2eeb6afe748f11d0f6a16355b01c41f22749043c0da7804206

  • SHA512

    90340910dc1ee90ccfe7f451578de67c5ca32b95525157acd8b5bc2e99b9c0b2254bfb58997cc848a0ead871bc3f1e03dbb152d56aa709c4ecd3742404eec27b

  • SSDEEP

    196608:6spHQk/ICYcdYtOQYMvm6Iu+8RuJQHIsuRuJyPquRuJXMD349nt3njto03qJbYav:6csCYgIBH2XD349nt3nW03s8up

Malware Config

Extracted

Family

fickerstealer

C2

45.93.201.181:80

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 behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:640

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\krosqm.txt

      Filesize

      12B

      MD5

      8cf4dec152a9d79a3d62202b886eda9b

      SHA1

      0c1b3d3d02c0b655aa3526a58486b84872f18cc2

      SHA256

      c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

      SHA512

      a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    • memory/640-4-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/640-5-0x00000000777F2000-0x00000000777F3000-memory.dmp

      Filesize

      4KB

    • memory/640-6-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/640-7-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/640-9-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB

    • memory/640-16-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/1456-0-0x0000000033AD0000-0x0000000033B4B000-memory.dmp

      Filesize

      492KB

    • memory/1456-1-0x00000000777F2000-0x00000000777F3000-memory.dmp

      Filesize

      4KB

    • memory/1456-2-0x0000000033BB0000-0x0000000033D53000-memory.dmp

      Filesize

      1.6MB

    • memory/1456-3-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/1456-10-0x0000000033AD0000-0x0000000033B4B000-memory.dmp

      Filesize

      492KB