Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 03:42

General

  • Target

    d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1.exe

  • Size

    90KB

  • MD5

    8003dd2d510d15bf88167bb253a1778f

  • SHA1

    a031cc44525573c2f1a8f3a90016e6cea9bc78e8

  • SHA256

    d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1

  • SHA512

    455d43894fa1b700e22337cf8a1be55c91f197be6f90d2fa5099047a2638f7fbbd9f14abe6c9107746fccfede28d562770b7a17dd18f503bb928266605159df8

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • ModiLoader Second Stage 4 IoCs
  • UPX dump on OEP (original entry point) 18 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1.exe
    "C:\Users\Admin\AppData\Local\Temp\d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1.exe
      "C:\Users\Admin\AppData\Local\Temp\d264961e6bf029b4a3885e30254bc242f219694f5f426962fce57e16e8b83ab1.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SPOSF.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:860
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          PID:4424
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4496
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5060
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:4676
  • 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 --field-trial-handle=4400,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=3668 /prefetch:8
    1⤵
      PID:4464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SPOSF.txt
      Filesize

      145B

      MD5

      4eb61ec7816c34ec8c125acadc57ec1b

      SHA1

      b0015cc865c0bb1a027be663027d3829401a31cc

      SHA256

      08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

      SHA512

      f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

    • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      Filesize

      90KB

      MD5

      609779d528c8195e3b21e62e5ee14f0c

      SHA1

      e36b58b85c46662ad8688db2eb88e860185e2320

      SHA256

      08c1928fc9b48275aa7ffe0bf046bf24e663c3df2efadb64ccfe09393d810c32

      SHA512

      36ff1090969d08dcc6e92181dbd9a47d9d6a3e5d5567035105b30c1426eba570db3e70635e8bdc51f3211db1d8568e5e097e7688bf86741cea6742f500ef7690

    • memory/1300-7-0x00000000021F0000-0x00000000021F2000-memory.dmp
      Filesize

      8KB

    • memory/1300-4-0x00000000021C0000-0x00000000021C2000-memory.dmp
      Filesize

      8KB

    • memory/1300-11-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/1300-6-0x00000000021E0000-0x00000000021E2000-memory.dmp
      Filesize

      8KB

    • memory/1300-5-0x00000000021D0000-0x00000000021D2000-memory.dmp
      Filesize

      8KB

    • memory/1300-0-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/3212-57-0x0000000000410000-0x00000000004D9000-memory.dmp
      Filesize

      804KB

    • memory/3212-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/3212-9-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/3212-12-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/3212-59-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/4496-39-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/4496-49-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/4496-40-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/4496-36-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/4676-43-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4676-50-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4676-52-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4676-54-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4676-56-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/4676-61-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/5060-60-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB