Analysis

  • max time kernel
    118s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 08:34

General

  • Target

    17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06fN.exe

  • Size

    90KB

  • MD5

    e76d2b14975e142a6c322466244fde50

  • SHA1

    7a050003a4b34d7eb2a6355eb3f6f0967c9428e1

  • SHA256

    17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06f

  • SHA512

    d5823198a7bb93125fd7a0058f3d62a301c6029377bf5ca36e0cf740f3c466acf93f14f26b1d2b97f7948759bed11f6d460bb73b1e693e418b6c788f7effb3ea

  • 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 family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06fN.exe
    "C:\Users\Admin\AppData\Local\Temp\17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06fN.exe
      "C:\Users\Admin\AppData\Local\Temp\17cb6a90da49dfe6d1c6aec65ffa870d79bfb245171bb3dd802c956e6544a06fN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OCFBQ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2068
        • 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:264
      • 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:2528
        • 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:1892
        • 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:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OCFBQ.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    2b8f5911efb72702308e6e9f5129317c

    SHA1

    cd163bd1781ca64fd78af754133519fbe4f93648

    SHA256

    86e582d7f0866fcbd0f99959a6530603f3373f5c9c884fa529aca4824b8481dc

    SHA512

    7ec100a68ff148790b039e0f46a330629be78363649a03944ea6014ca3548a8b85d048a40d6cc4040d436d8bbcc059928de1abb74d9f47eecd7a68527b7355e2

  • memory/1892-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1892-247-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2308-28-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2308-106-0x0000000002790000-0x00000000027E3000-memory.dmp

    Filesize

    332KB

  • memory/2308-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2308-79-0x0000000000470000-0x0000000000472000-memory.dmp

    Filesize

    8KB

  • memory/2308-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2308-70-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2308-60-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2308-40-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2308-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2308-100-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2308-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2308-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2308-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2308-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2308-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2308-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2528-252-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2528-178-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2528-241-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2528-167-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2528-157-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2844-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2844-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2880-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-148-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-135-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-149-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-150-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-246-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-245-0x0000000003260000-0x00000000032B3000-memory.dmp

    Filesize

    332KB

  • memory/2880-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB