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Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 18:30

General

  • Target

    43bbde35d4c620cdd5ed7a51426df308ca7658f4a7d0784998b75bfc3d38042f.exe

  • Size

    1.1MB

  • MD5

    6bfbe52166fef78db443fa067727d251

  • SHA1

    f9feb5267e839258d5882da390222b46faf1c43d

  • SHA256

    43bbde35d4c620cdd5ed7a51426df308ca7658f4a7d0784998b75bfc3d38042f

  • SHA512

    76faf7440b4519bbbf63d46a371e15229a984492b5084e852431737a180ea2e5d5c4d9d2000bc19c5f55eb1f09a1dec3207a30f0a2d094c3a5c9a52a506a7d12

  • SSDEEP

    24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Ql:acallSllG4ZM7QzMO

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 9 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43bbde35d4c620cdd5ed7a51426df308ca7658f4a7d0784998b75bfc3d38042f.exe
    "C:\Users\Admin\AppData\Local\Temp\43bbde35d4c620cdd5ed7a51426df308ca7658f4a7d0784998b75bfc3d38042f.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      PID:1680
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3500
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2132
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      PID:1948
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3324
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1384
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4040
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4664
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:544
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1580
  • 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=1316 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

      Filesize

      753B

      MD5

      bd5cfd5daa3f0ba412f6d331787ceb16

      SHA1

      733a9afa493f0ca553cc0313daa87ab1b26a764d

      SHA256

      35897c5a03daf36f578c3405d8c7fd78957e3aa1b74d4f61673bb51ebcfb10b1

      SHA512

      4be36ea21c87e436511b1730ec68bda6477d1bceb54178d43a03ef05d71425b4f5f2b1d2f404ca341a71a9bc3b51117aaaaabd4292219895bcabad46602f7e85

    • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

      Filesize

      1.1MB

      MD5

      bda235f6f758119b3c8489069246255c

      SHA1

      15920e046e5560cfef7a389f2fe3142035380080

      SHA256

      7301021046582497213d38e3a07fd36f708bf1c3873d29970d0e0fa1edbe595c

      SHA512

      705011e4e29418e7bda4258e0ba826afd3472abfe27b6549218b00d535db910df07f3796d632bf28eb06eb4552f21a111fcf39cbd199e4096ff967fb9b5ff825

    • memory/1384-30-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/1384-33-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/1580-40-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/2132-31-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/2132-42-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/3500-32-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/3500-36-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/3892-5-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/3892-24-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/3892-0-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/4040-34-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/4040-35-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/4664-39-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB

    • memory/4664-41-0x0000000000400000-0x000000000055F000-memory.dmp

      Filesize

      1.4MB