Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-03-2024 20:13

General

  • Target

    Ransomware/Monster Ransomware/XMoon.exe

  • Size

    669KB

  • MD5

    a690cce59e21f5198ca304243b084f9e

  • SHA1

    8aeb0b106dd21e2afb50c3f7ae78ca4f8f4b29c5

  • SHA256

    ea0a5854aa6e91ebe816d256f34f820697a92d86b4f81e8855c84daeed40b9d4

  • SHA512

    9e0eebf53d0ea424ae9aeb0da2e27e5be75391a5be2945d29137da12baff32184df3a223692bbabb4b64350d902bd6847284d982e62313f3402035e842f4b758

  • SSDEEP

    12288:X6Wq4aaE6KwyF5L0Y2D1PqL6eqhBkEFY9ddNdzYaTW3aSDcyImRlL7zo:1thEVaPqL6JkF9YaTLSigL7c

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 14 IoCs

    AutoIT scripts compiled to PE executables.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Control Panel 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware\Monster Ransomware\XMoon.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware\Monster Ransomware\XMoon.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\ & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Windows\system32\wusa.exe
        wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\
        3⤵
          PID:3248
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\888.vbs"
        2⤵
          PID:2524

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\64.cab

        Filesize

        49KB

        MD5

        8cfa6b4acd035a2651291a2a4623b1c7

        SHA1

        43571537bf2ce9f8e8089fadcbf876eaf4cf3ae9

        SHA256

        6e438201a14a70980048d2377c2195608d5dc2cf915f489c0a59ac0627c98fa9

        SHA512

        e0a73401ce74c8db69964ef5a53f2a1b8caf8c739359785970295dae82619e81c0a21466327a023cf4009e0c15981a20bf1e18c73821083908fce722faa82685

      • C:\Users\Admin\AppData\Local\Temp\888.vbs

        Filesize

        280B

        MD5

        8be57121a3ecae9c90cce4adf00f2454

        SHA1

        aca585c1b6409bc2475f011a436b319e42b356d8

        SHA256

        35d7204f9582b63b47942a4df9a55b8825b6d0af295b641f6257c39f7dda5f5e

        SHA512

        85521f6cd62dd5bb848933a188a9ddb83dd7ae2c5f4a97b65ba7785c3d58dba27694c7df308f4cf0fdaaa8c55251ff14ed1632e315a16d8d0b15217bac381f72

      • C:\Users\Admin\AppData\Local\Temp\aut2CDD.tmp

        Filesize

        47KB

        MD5

        9dda4db9e90ff039ad5a58785b9d626d

        SHA1

        507730d87b32541886ec1dd77f3459fa7bf1e973

        SHA256

        fc31b205d5e4f32fa0c71c8f72ee06b92a28bd8690f71ab8f94ff401af2228fe

        SHA512

        4cfecaaccd0f8f9e31690ff80cca83edc962e73861043fffded1a3847201455d5adca7c5ef3866c65e6e516205e67b2f31c8149aad5be1065c1eb586b013f86a

      • C:\Users\Admin\AppData\Local\Temp\wl.jpg

        Filesize

        119KB

        MD5

        bb86481ac1a7d726c358b6feed070d4e

        SHA1

        0f863774a54ad7cf8bbe2ec6790bec5f89a4c901

        SHA256

        be9af97d373820186e6493ec85f051091ed8f813602a999832754621403b280e

        SHA512

        b1c249f6448bdfee90eaeddd77fb38c45f085a8a51f81defe9313c56111cb1360a95a453cdafa363f976b2bc26cadf48dc098ddc69a928cb09ea5bbd00b33417

      • memory/400-149-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-146-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-147-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-148-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-0-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-150-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-151-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-153-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-154-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-155-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-156-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-157-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-158-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-159-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB

      • memory/400-160-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB