Analysis

  • max time kernel
    180s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 03:33

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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of SetWindowsHookEx 12 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:2140
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:2216
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\StepMove.rtf" /o ""
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:5000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\krosqm.txt

      Filesize

      12B

      MD5

      8cf4dec152a9d79a3d62202b886eda9b

      SHA1

      0c1b3d3d02c0b655aa3526a58486b84872f18cc2

      SHA256

      c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

      SHA512

      a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    • memory/2140-0-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

      Filesize

      492KB

    • memory/2140-1-0x0000000077D92000-0x0000000077D93000-memory.dmp

      Filesize

      4KB

    • memory/2140-2-0x0000000033C60000-0x0000000033E03000-memory.dmp

      Filesize

      1.6MB

    • memory/2140-3-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/2140-7-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

      Filesize

      492KB

    • memory/2216-10-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2216-9-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2216-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB

    • memory/2216-8-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2216-5-0x0000000077D92000-0x0000000077D93000-memory.dmp

      Filesize

      4KB

    • memory/2216-4-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2216-17-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/5000-39-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-47-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-36-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-38-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-37-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-34-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-40-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-41-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-42-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-43-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-44-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-45-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-46-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-35-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-48-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-49-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-51-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-52-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB

    • memory/5000-50-0x00007FFEAEAB0000-0x00007FFEAEAC0000-memory.dmp

      Filesize

      64KB

    • memory/5000-53-0x00007FFEAEAB0000-0x00007FFEAEAC0000-memory.dmp

      Filesize

      64KB

    • memory/5000-86-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-89-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-88-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-87-0x00007FFEB0CF0000-0x00007FFEB0D00000-memory.dmp

      Filesize

      64KB

    • memory/5000-90-0x00007FFEF0C70000-0x00007FFEF0E65000-memory.dmp

      Filesize

      2.0MB