Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16-03-2024 04:03

General

  • Target

    1cr.exe

  • Size

    667KB

  • MD5

    8c56ecce67e5e43e872863f41fe03eab

  • SHA1

    ad4785bf01141163053f421d15fe76a460836c9b

  • SHA256

    25eb1831bf580a45f9464bcf50ef2b3d35021f6eb5e42874b2dd8fd8544cf853

  • SHA512

    63ade7eca68d011e979e2ff0568899136b3fec35370959fafe751edfff379e88b25431584e9cdc80c4d7354b9f6ed894ae4b9e6402d51a0af82f1544299c1a1c

  • SSDEEP

    12288:XNECjrWAEX1Cfy0BTutPKgUlPB8+OuIwYs84X7IY4sCjlbg4xWvVf:XNNjryCf1BTuIXlPB8+ODwYG7IY4sCjq

Malware Config

Extracted

Family

fickerstealer

C2

109.234.35.192:80

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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cr.exe
    "C:\Users\Admin\AppData\Local\Temp\1cr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\1cr.exe
      "{path}"
      2⤵
        PID:2756

    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/1936-1-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1936-0-0x0000000000290000-0x000000000033E000-memory.dmp

      Filesize

      696KB

    • memory/1936-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

      Filesize

      256KB

    • memory/1936-3-0x0000000000620000-0x0000000000628000-memory.dmp

      Filesize

      32KB

    • memory/1936-4-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1936-5-0x0000000004F10000-0x0000000004F50000-memory.dmp

      Filesize

      256KB

    • memory/1936-6-0x00000000052A0000-0x0000000005342000-memory.dmp

      Filesize

      648KB

    • memory/1936-20-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/2756-10-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-14-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2756-8-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2756-27-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB