Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 01:25

General

  • Target

    cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe

  • Size

    90KB

  • MD5

    6d86b23fdbed19fde81cedc5c5757438

  • SHA1

    1ea64e9fce440cbc61ee9931063250fc7ae32e42

  • SHA256

    cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc

  • SHA512

    cf2b3cd9afadc7cfea1327e5ad5425e4b60a7767075b0402bc316d0238644830a44b7a24fe27f100e475c7d48975bfe30e2350b7b3bfb326426d144208a967a4

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z

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 26 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\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
    "C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
      "C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OACFQ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2532
        • 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:1284
      • 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:1548
        • 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:1552
        • 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:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    8b29299b71085b0230ab8df345443661

    SHA1

    fd8e8bb16ebcdf1e162a86f7a43b6f0173406b1f

    SHA256

    08640cb836af967b16177c3746805df7c509ef488f3f55b63dbc6db3be396a79

    SHA512

    da3d32e5e72b0ac457e27f76fa9032bc967d02c1a9539239383de4eee4a36eadca592b97cf7f2a156304c1277fc990c8fe6943bde99c44e966751bd05a84e964

  • memory/1548-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1548-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1548-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1552-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1552-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1636-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1636-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2076-40-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2076-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-60-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2076-54-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2076-53-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2076-108-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2076-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2076-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-109-0x00000000004A0000-0x00000000004F3000-memory.dmp

    Filesize

    332KB

  • memory/2076-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-70-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2076-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2076-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2076-30-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2076-27-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2076-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2076-73-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-152-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-151-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-150-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-158-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-153-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-137-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-263-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-258-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-257-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-256-0x00000000032A0000-0x00000000032F3000-memory.dmp

    Filesize

    332KB

  • memory/2612-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB