Analysis

  • max time kernel
    58s
  • max time network
    58s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 19:51

General

  • Target

    e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe

  • Size

    90KB

  • MD5

    1f273bfa8a335f54de79cb18ebe3455e

  • SHA1

    1d1d7f5b44c7d7137de6ced634686fd5af2b623b

  • SHA256

    e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185

  • SHA512

    7b05d69a8023a5007843087a4b58596595b83f04b961f212b2915d72880d1a900430b53a0a8138834837df39fcf4a71b742f36eb2fa18af4e095b33672294be9

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 19 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
    "C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
      "C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YCMRY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2448
        • 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
          • System Location Discovery: System Language Discovery
          PID:800
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2060
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2832
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a46ef9fb5919776f583a201e31d8e4fb

    SHA1

    b7e7bb7616ce4e91ac4d068370c2ac6f11273561

    SHA256

    bc67d12515982190ede02877cc32ed6362864431e21dc457b031a31a9a0e6975

    SHA512

    57502f0fad8d2eb37a7c8e0ccb6792b921821af751bef4fc38a80c7a18178c017cc0c0a49bdf93b1809fc10e715afec3b385e806f61c2b4cc30e30f76f8ad2ce

  • memory/2060-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2060-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2060-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2832-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3696-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3696-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3696-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3696-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3696-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4420-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4420-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4420-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4420-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4420-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4420-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4820-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4820-6-0x0000000002330000-0x0000000002332000-memory.dmp

    Filesize

    8KB

  • memory/4820-13-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4820-4-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/4820-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4820-3-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB