Analysis

  • max time kernel
    159s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 10:55

General

  • Target

    Setup.exe

  • Size

    793.8MB

  • MD5

    9a851a47a9bd2f92c61d2486d1be3064

  • SHA1

    3cda31c06db97246705d95dfcf4908eafb514b87

  • SHA256

    7c2b51c31a895f2eeb6afe748f11d0f6a16355b01c41f22749043c0da7804206

  • SHA512

    90340910dc1ee90ccfe7f451578de67c5ca32b95525157acd8b5bc2e99b9c0b2254bfb58997cc848a0ead871bc3f1e03dbb152d56aa709c4ecd3742404eec27b

  • SSDEEP

    196608:6spHQk/ICYcdYtOQYMvm6Iu+8RuJQHIsuRuJyPquRuJXMD349nt3njto03qJbYav:6csCYgIBH2XD349nt3nW03s8up

Malware Config

Extracted

Family

fickerstealer

C2

45.93.201.181:80

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 behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:2740
    • 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=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3816

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\krosqm.txt
        Filesize

        14B

        MD5

        1207bc197a1ebd72a77f1a771cad9e52

        SHA1

        8ed121ff66d407150d7390b9276fe690dd213b27

        SHA256

        260658b9cb063d6ce96f681b18704e02fae7bf8fc995fc249ab0be1400983476

        SHA512

        d037cfa3b6e6ced9652b2c781bb54cf48dbaa0aaff05039ae4fd0122749eda472807d4198981aa6ceffeba6d2b23d7ad08d7d96983dbd8539cf6b07e46e157f4

      • memory/2740-1-0x0000000000400000-0x0000000000466000-memory.dmp
        Filesize

        408KB

      • memory/2740-2-0x0000000000400000-0x0000000000466000-memory.dmp
        Filesize

        408KB

      • memory/2740-10-0x0000000000400000-0x0000000000466000-memory.dmp
        Filesize

        408KB

      • memory/3484-0-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB