Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 15:28

General

  • Target

    d67697ab632ca5f62471eef288d2b5e7.exe

  • Size

    270KB

  • MD5

    d67697ab632ca5f62471eef288d2b5e7

  • SHA1

    b9fd67f900fd8abe27582a002df6efbfb26c5dfa

  • SHA256

    baabbbd11ccba0d1f0fb35a1b5b5866f9a477b3c50eec3d313fd112d48ecc9de

  • SHA512

    d363330892472b9f8eeebb1659dfe8fa6c186097bc58384c1afb143817612af1c76931dfe8495657df40e3201495650be5788b9eb3fa277fb518bc0ec523fef0

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53SzpcCJJvH:Zr7xS2Vp6FwT3bJJvH

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d67697ab632ca5f62471eef288d2b5e7.exe
    "C:\Users\Admin\AppData\Local\Temp\d67697ab632ca5f62471eef288d2b5e7.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:856
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:448
  • 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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3448

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\cmsetac.dll

            Filesize

            33KB

            MD5

            1d5082835df84b45a4ddd69843a124b1

            SHA1

            818bf202e19d23a144d174d0e05e58566448bd9c

            SHA256

            c99f4c069b755a26f7f432782291bfa0b7aa09d5f536f2676d9c16a7d219168f

            SHA512

            a39976c8aa3ac18864ad9ca29f8c4e630846ec708a108b578d642eebcfce3a231650a49f5e2ded2addda401de38cc47b3d778c5775d54f05b8498f98eb0fc0d8

          • C:\Windows\mstwain32.exe

            Filesize

            270KB

            MD5

            d67697ab632ca5f62471eef288d2b5e7

            SHA1

            b9fd67f900fd8abe27582a002df6efbfb26c5dfa

            SHA256

            baabbbd11ccba0d1f0fb35a1b5b5866f9a477b3c50eec3d313fd112d48ecc9de

            SHA512

            d363330892472b9f8eeebb1659dfe8fa6c186097bc58384c1afb143817612af1c76931dfe8495657df40e3201495650be5788b9eb3fa277fb518bc0ec523fef0

          • C:\Windows\ntdtcstp.dll

            Filesize

            7KB

            MD5

            67587e25a971a141628d7f07bd40ffa0

            SHA1

            76fcd014539a3bb247cc0b761225f68bd6055f6b

            SHA256

            e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

            SHA512

            6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

          • memory/324-3-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/324-18-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/324-0-0x0000000000A70000-0x0000000000A71000-memory.dmp

            Filesize

            4KB

          • memory/856-30-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-39-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-26-0x0000000002F90000-0x0000000002F91000-memory.dmp

            Filesize

            4KB

          • memory/856-27-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-28-0x00000000020E0000-0x00000000020E8000-memory.dmp

            Filesize

            32KB

          • memory/856-29-0x00000000030E0000-0x00000000030EE000-memory.dmp

            Filesize

            56KB

          • memory/856-19-0x00000000020D0000-0x00000000020D1000-memory.dmp

            Filesize

            4KB

          • memory/856-33-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-36-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-23-0x00000000030E0000-0x00000000030EE000-memory.dmp

            Filesize

            56KB

          • memory/856-42-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-45-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-48-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-51-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-54-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-57-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-60-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB

          • memory/856-63-0x0000000000400000-0x000000000044B000-memory.dmp

            Filesize

            300KB