Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2024 20:59

General

  • Target

    92fbec26fdd3d15c1b50b670ee321f87.exe

  • Size

    460KB

  • MD5

    92fbec26fdd3d15c1b50b670ee321f87

  • SHA1

    f561e738540e40321de33d6fb121ed6c28cae291

  • SHA256

    acb0f1bf13c90fa01b172ef9d046d6f9078a2d986842772fe97b95c952b18714

  • SHA512

    cc092b16feeb8bb57928a36ce8bc02f799b2cea51b37b0a929b5ea86b0a7efbe4120917a3817f51bb3f9460169fb9626158dab1acbcef7a51c8113558cfcbc68

  • SSDEEP

    6144:v2U5I9yN0ZhInWAzNSa041dMrzNIqJ99sLiSX+qAY6RwoOL8MW0rLAb56dpLN4X7:vLFNB9zrQX629GWKp8woOIMW0rwrsu

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\92fbec26fdd3d15c1b50b670ee321f87.exe
    "C:\Users\Admin\AppData\Local\Temp\92fbec26fdd3d15c1b50b670ee321f87.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\92fbec26fdd3d15c1b50b670ee321f87.exe
      "C:\Users\Admin\AppData\Local\Temp\92fbec26fdd3d15c1b50b670ee321f87.exe"
      2⤵
        PID:3276

    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/3220-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

      Filesize

      1024KB

    • memory/3220-2-0x0000000002E30000-0x0000000002E77000-memory.dmp

      Filesize

      284KB

    • memory/3276-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3276-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3276-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3276-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB