Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 05:28

General

  • Target

    f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6.exe

  • Size

    90KB

  • MD5

    8c7e7d3e585f823bdd65bd217146e98f

  • SHA1

    adc3dd87efecab1f9a9814765b3e7d9d1777e6bb

  • SHA256

    f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6

  • SHA512

    549377f666a44ae4789e9ebc60e0443e4a1421321c2f284caacfb7b2dcf05d3839af675471ebd6f587516541f6a606841de0c084a9ae99a5f1062d0c02fd2a4b

  • 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.

  • ModiLoader Second Stage 3 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\f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6.exe
    "C:\Users\Admin\AppData\Local\Temp\f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6.exe
      "C:\Users\Admin\AppData\Local\Temp\f1de962b298ee088caf5c16af237cee3af27968ba9fe8f7512d66a133c36efe6.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QRNMG.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1012
        • 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:5024
      • 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:384
        • 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:4036
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:4748
  • 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=3740,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
    1⤵
      PID:1272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\QRNMG.txt

      Filesize

      145B

      MD5

      4eb61ec7816c34ec8c125acadc57ec1b

      SHA1

      b0015cc865c0bb1a027be663027d3829401a31cc

      SHA256

      08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

      SHA512

      f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

      Filesize

      90KB

      MD5

      e5d04977eb337af75d1bf2c00235af5f

      SHA1

      32dc13456bef2dd86d04a57b822cbb0eb5a93e3e

      SHA256

      9bbf04db86ccea2c40bcbe90a8acfb0d601cf6f73a56832ac242d43952e43124

      SHA512

      3601b1842185029d6e178913146595319429737487cbd19abff8b33dd648102f719737d2eb0bdfeeb31fc0a4ca11194eb6eaaa1a23ef0cbb457389da780314bb

    • memory/384-50-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/384-41-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/384-34-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/1540-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1540-8-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1540-56-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1540-11-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3032-5-0x00000000021C0000-0x00000000021C2000-memory.dmp

      Filesize

      8KB

    • memory/3032-4-0x00000000021B0000-0x00000000021B2000-memory.dmp

      Filesize

      8KB

    • memory/3032-0-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3032-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

      Filesize

      8KB

    • memory/3032-10-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4036-48-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4036-59-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4748-44-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4748-52-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4748-55-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4748-57-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4748-58-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB