Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 04:10

General

  • Target

    f73b8d49fa2804962f75b6b373d1bb9f_JaffaCakes118.exe

  • Size

    477KB

  • MD5

    f73b8d49fa2804962f75b6b373d1bb9f

  • SHA1

    1719670936a7c04389ba1aaa7795e589cd5e8eef

  • SHA256

    4eb40be2f5a04abd599bd0dc4abd4eee47ec853f453b14abc09d2a575e7e9a10

  • SHA512

    8ab6360702c429a3d9dc607ec7db120ce6cce612e4ed2cfe7b36f5f7d99ad867ccecffd6b7dba0322cc4318199c3a4b0ca95176319d0aa69692fd5d4eb07c78b

  • SSDEEP

    6144:/9K5TSqBPn/GCjKW0Hi/05bPjZGc3MXOX1GP/sXMW0rLAb56dpLN4XQKJrsu:+tBfbz0C/057jZvroP/qMW0rwrsu

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\f73b8d49fa2804962f75b6b373d1bb9f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f73b8d49fa2804962f75b6b373d1bb9f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Users\Admin\AppData\Local\Temp\f73b8d49fa2804962f75b6b373d1bb9f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f73b8d49fa2804962f75b6b373d1bb9f_JaffaCakes118.exe"
      2⤵
        PID:696
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4800

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\kaosdma.txt

        Filesize

        14B

        MD5

        1207bc197a1ebd72a77f1a771cad9e52

        SHA1

        8ed121ff66d407150d7390b9276fe690dd213b27

        SHA256

        260658b9cb063d6ce96f681b18704e02fae7bf8fc995fc249ab0be1400983476

        SHA512

        d037cfa3b6e6ced9652b2c781bb54cf48dbaa0aaff05039ae4fd0122749eda472807d4198981aa6ceffeba6d2b23d7ad08d7d96983dbd8539cf6b07e46e157f4

      • memory/696-3-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/696-5-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/696-6-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/696-12-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/3152-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

        Filesize

        1024KB

      • memory/3152-2-0x00000000049D0000-0x0000000004A17000-memory.dmp

        Filesize

        284KB