Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 23:40

General

  • Target

    94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149.exe

  • Size

    90KB

  • MD5

    fbc68da5d2bbc734698718520a30be94

  • SHA1

    5481f53913f7a666e7835bb5c68c196bd9ee6e31

  • SHA256

    94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149

  • SHA512

    38609b9bfb9dda9e07e50fcb73e9f412e9383c6393ac45a8f49a77740fe37f7b58f148e0601dab326eb464dada2c80b6cb36431a245dd77a5385b51c5bc48de3

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDr:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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 20 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\94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149.exe
    "C:\Users\Admin\AppData\Local\Temp\94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Users\Admin\AppData\Local\Temp\94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149.exe
      "C:\Users\Admin\AppData\Local\Temp\94e190454e40833fa129a125151675cfe6c0903afabe462ea858d5e8df1f4149.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OLLWT.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4640
        • 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:720
      • 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:4392
        • 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:404
        • 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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e6d1728f39faa79e640a4615a1fe3140

    SHA1

    861f28e27da9089bc662d1ed2dba4f7992a46f27

    SHA256

    bbf6acd979c2c9518c947b37805f8b07420684ed87d96b1fd9f223ddc1828eb4

    SHA512

    992be593da468148bac8384fcfb748929741ff908eec1e8e7e82ae6ae607b0686f7231f41641df7a4bf6650df637a2d3f66e3aad647afc4e0b2cad094ea27fba

  • memory/404-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2748-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2748-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2748-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2748-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2748-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3960-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

    Filesize

    8KB

  • memory/3960-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3960-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3960-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

    Filesize

    8KB

  • memory/3960-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/3960-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3972-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3972-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3972-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3972-58-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/3972-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3972-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3972-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4392-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4392-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4392-56-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB