Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 11:37

General

  • Target

    15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40N.exe

  • Size

    90KB

  • MD5

    97eed9497ebeaad8c79f042c447a0610

  • SHA1

    9b44ab862e394f21b10d6f151ba822078d2dccb1

  • SHA256

    15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40

  • SHA512

    36e9fb073d88ed78708a4ed96dfcaf187fd8689054d9dcd614f0e2eb0e6a9f995df6f8f305dbf462401c5dcde188d40ee6b2d624fc300d48c2346fc7708ca695

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 2 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 24 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\15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40N.exe
    "C:\Users\Admin\AppData\Local\Temp\15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40N.exe
      "C:\Users\Admin\AppData\Local\Temp\15eaab5cffdd077256ec4c7de507f6d1afc3c31c263c2fee5e34b69adf7ebe40N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\IWWKL.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • 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:320
      • 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:1056
        • 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:1384
        • 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:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    aa940a3298a8dc5a6ed957aceedd94ed

    SHA1

    3ecbf81e1cfda6d5a0eaec63606cfec2ee4d7aa3

    SHA256

    c5b758731491a549f45514789770477a21b6b3e4133219ac4972d87e0d4759ce

    SHA512

    af1e09f67bcbb9f65c25cb4a544ba0712862c5508218a9d902352e7db72d172cb1d182db27893010e0008a80c0242a01a86ab62908bdf958bae40f74fae68505

  • memory/1056-259-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-167-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1056-247-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-178-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1056-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1384-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1384-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2136-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2136-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2572-224-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-214-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-215-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-221-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-147-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-149-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2572-148-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2616-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2616-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2616-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2616-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2616-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2616-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2616-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2616-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2616-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2616-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB