Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 10:09

General

  • Target

    e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e.exe

  • Size

    90KB

  • MD5

    3fdc2157e727b77a142f8d76626325b0

  • SHA1

    8ed07affc6c20e60f4117eb1ebb3270f2f1823e8

  • SHA256

    e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e

  • SHA512

    ffdc0ba62f3ce271a17b6d08de1390f809f3c147372e6c2d294c9a8b274a29e4cdb61692e1e9ee8216457e118e282c3481e99566f8b85f55c33325f75076024f

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e.exe
    "C:\Users\Admin\AppData\Local\Temp\e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e.exe
      "C:\Users\Admin\AppData\Local\Temp\e2400bd164573ec520eda1274815536a5c436d89b30bbc3f711fad5cfaf2093e.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KUQLU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1580
        • 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:4436
      • 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:2152
        • 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:4696
        • 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:3876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    bc8ec3a8ec80d467b17e5811e6db8f6d

    SHA1

    940e21811fa10ca16e13a867a52552c2f60b2752

    SHA256

    5449dc975ceca1b9e06e8cf6ee095380ffd2a12370aa313cda8ff779b29cad9d

    SHA512

    4785200c458b36709b4fec6811358529da4d693e419f4cb907a751da88cfa8b5eb4f959d3eb2f93008ca763c62c54244492befd6691ed95d6b987cc162d76903

  • memory/2152-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2152-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2152-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3876-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3876-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3876-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3876-44-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3876-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3876-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4004-5-0x0000000002440000-0x0000000002442000-memory.dmp

    Filesize

    8KB

  • memory/4004-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4004-6-0x0000000002450000-0x0000000002452000-memory.dmp

    Filesize

    8KB

  • memory/4004-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4004-3-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/4004-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4696-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4984-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4984-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4984-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4984-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4984-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB