Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2022 06:57

General

  • Target

    59a6c1ed3330380a2e3c7671029777e5.exe

  • Size

    375KB

  • MD5

    59a6c1ed3330380a2e3c7671029777e5

  • SHA1

    71cc876b0003c55b548f9de7fde38c14a33e7a74

  • SHA256

    3b9208447ad1e6a191918e6e2b71d26566ec3dd62ed3e2c1145c7bbdc786da3d

  • SHA512

    2a7412bd5fdefb11852dba39db00491f9ee97a896b58e810691509782cc065d2e08564036e28b0b9fcda9410feb3c753364b3aad61026d2c3fcffad0069a1c8f

  • SSDEEP

    6144:ztcTLgoQG1PuXv5OAikSItDFXF4SOsCXxMlgEi:ztkkoQG1uf5OALtlF0JXxMGEi

Malware Config

Extracted

Family

fickerstealer

C2

kefkfkf.link:8080

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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59a6c1ed3330380a2e3c7671029777e5.exe
    "C:\Users\Admin\AppData\Local\Temp\59a6c1ed3330380a2e3c7671029777e5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Users\Admin\AppData\Local\Temp\59a6c1ed3330380a2e3c7671029777e5.exe
      "C:\Users\Admin\AppData\Local\Temp\59a6c1ed3330380a2e3c7671029777e5.exe"
      2⤵
        PID:632

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/632-132-0x0000000000000000-mapping.dmp

    • memory/632-133-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/632-137-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/632-138-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/632-139-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/4964-134-0x0000000002E32000-0x0000000002E68000-memory.dmp

      Filesize

      216KB

    • memory/4964-136-0x0000000002DB0000-0x0000000002E12000-memory.dmp

      Filesize

      392KB