Analysis

  • max time kernel
    122s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 14:13

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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of UnmapMainImage 1 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 1920
        3⤵
        • Program crash
        PID:3728
  • 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 --field-trial-handle=4400,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
    1⤵
      PID:2324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 216 -ip 216
      1⤵
        PID:4272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\krosqm.txt

        Filesize

        14B

        MD5

        96e343661bb152ce6a5d9204f4811cf9

        SHA1

        fa37161c74f7e6af311d5a94671c5ec13c805e4a

        SHA256

        92e8b04468a3de93519f43139ee3af0562d4973b5cab4378eb5a53f938c4e7c6

        SHA512

        06b30a81d7daa8ecf34945da1b6a447de6889e2cb3d9f2ce0d6708ef9641a4f4b5cf2bdbf9c8f240ede1336f8d436a65f77c97038e4693de24a3acf94a0a2138

      • memory/216-2-0x0000000000400000-0x0000000000466000-memory.dmp

        Filesize

        408KB

      • memory/216-1-0x0000000000400000-0x0000000000466000-memory.dmp

        Filesize

        408KB

      • memory/216-8-0x0000000000400000-0x0000000000466000-memory.dmp

        Filesize

        408KB

      • memory/2768-0-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB