Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 12:29

General

  • Target

    1e6666100c72fac437bfebd67672844a.exe

  • Size

    570KB

  • MD5

    1e6666100c72fac437bfebd67672844a

  • SHA1

    cae5be67b0fde097e041520bb5ec51980dc7df68

  • SHA256

    067cab9c4123e51af9d20ae94bb59c21b207fc45a106046470c2b2d5283cf15e

  • SHA512

    21c23eea9f3a82e627eb6ce7680d24e49eab413139b571848a84a58e47d6e15b1c054e588c22b92e7eabf273e25a567efc367bca80f2192bf977c9b3451ba38c

  • SSDEEP

    12288:9UiUE+VmwCIeTxmHRzHVgybaUqTMW0rwrsu:J+Vmw9HZ1g41qTh3

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\1e6666100c72fac437bfebd67672844a.exe
    "C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
      "C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"
      2⤵
        PID:2452

    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/1852-2-0x0000000002200000-0x0000000002247000-memory.dmp

      Filesize

      284KB

    • memory/1852-1-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/2452-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2452-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2452-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2452-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB