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Analysis

  • max time kernel
    150s
  • 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
    16/12/2024, 19:37

General

  • Target

    0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe

  • Size

    90KB

  • MD5

    40f11a1755f8b4d724bcf12d525a07ab

  • SHA1

    0e121bbef04214256598fdbe88a10f72755c126b

  • SHA256

    0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305

  • SHA512

    1941b28c35c930fb03a17b03377d1fbec01337e572d57fcf8b852f1095199a9d78d01e9a57415df4dfda8fbb0c8656210317d2912f500598e6c7fab6d172ecc7

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY: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\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
    "C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
      "C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MYUAS.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3160
        • 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:4392
      • 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:3120
        • 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:4676
        • 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:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    1bd13c625e41c124179c7136e6fd3d0f

    SHA1

    433917743dd9a66a7691b237bce6611923a9d36f

    SHA256

    384ead87c0120ae39c5a4d94873fdd8fbe1cc136ec20c20d668b13650db4b5ac

    SHA512

    b0a00f20f7f8aa410c3aea0e6060c82c0473afc0f5e43fb79c203797374a499288ea56d3f42d741274083ba216f66822b87894b95af86a624ad04ca610c9e1c9

  • memory/548-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/548-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/548-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/548-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/548-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1320-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1320-6-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/1320-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1320-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1320-5-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/1320-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

    Filesize

    8KB

  • memory/3120-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3120-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3120-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4676-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/5088-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5088-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5088-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5088-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/5088-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB