Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 00:41

General

  • Target

    960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe

  • Size

    90KB

  • MD5

    c3e2153caa82f1662f0ee4fce86ec9ad

  • SHA1

    dc185493143192a39a231ef5bea22632bca853b6

  • SHA256

    960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7

  • SHA512

    9acc96a17b95c2bcd3b50e6b0bc52a1768ff5083b8c9be63cbd83e372f1620fcc2078b19f13a6d15edec5419edadd57271cc617c7cafb8b99a98b71c2d067487

  • 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.

  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • UPX dump on OEP (original entry point) 19 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe
    "C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe
      "C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SJEDR.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2964
        • 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
          PID:1828
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1172
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    99924c9da55f1c0109e77464bc6410dc

    SHA1

    f84167a20d059e39dd54360d632d7b75a46b3102

    SHA256

    b009f0f589a1c78e318007c0435c03c03112523e4d6deed7e27a9245e6ab8863

    SHA512

    50aaade06a2b7ea831fbd9819baf69650c5072700ac892217651789916ff5741da3db004d804ee6cca2293e811a2d3bf1799a875915076a9d6e1aed5c60519e1

  • memory/1172-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1172-236-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1264-245-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1264-223-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1264-162-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1264-173-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1264-152-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1264-147-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1500-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2388-87-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2388-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2388-98-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2388-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2388-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2388-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2388-69-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2388-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2388-59-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2388-39-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2388-27-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2388-77-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2968-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-144-0x0000000003470000-0x00000000034C3000-memory.dmp

    Filesize

    332KB

  • memory/2968-145-0x0000000003470000-0x00000000034C3000-memory.dmp

    Filesize

    332KB

  • memory/2968-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-89-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-248-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB