Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 02:49

General

  • Target

    a805ad0e74f9740a16855d75ce422b5b.exe

  • Size

    469KB

  • MD5

    a805ad0e74f9740a16855d75ce422b5b

  • SHA1

    b0aad0de40153ebb88ed374165baad591d75df18

  • SHA256

    509a12684cbe4807cff583c20831617ed823605226c022391e66e50be0227d8d

  • SHA512

    eb5fedd7adb375a637a9dda5ab57db95d3bc8ad1035d96fa3f05bc4211c815447e8b222711bd746c7266cddcb1da7bcb0fe569fc22eb2082c1bc4001ea91a2ab

  • SSDEEP

    6144:nrq0EiwG+9zt0449RZqy6wOZg0AALv21XaW0rLFb56dpLN4XQKJ3:nwiIu99PqtZXAYIXaW0rN3

Malware Config

Extracted

Family

fickerstealer

C2

asfasfvcxvdbs.com: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\a805ad0e74f9740a16855d75ce422b5b.exe
    "C:\Users\Admin\AppData\Local\Temp\a805ad0e74f9740a16855d75ce422b5b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Users\Admin\AppData\Local\Temp\a805ad0e74f9740a16855d75ce422b5b.exe
      "C:\Users\Admin\AppData\Local\Temp\a805ad0e74f9740a16855d75ce422b5b.exe"
      2⤵
        PID:4432

    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/116-1-0x0000000002F60000-0x0000000003060000-memory.dmp

      Filesize

      1024KB

    • memory/116-2-0x0000000002DE0000-0x0000000002E27000-memory.dmp

      Filesize

      284KB

    • memory/4432-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4432-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4432-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/4432-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB