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
    16/12/2024, 07:11

General

  • Target

    a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe

  • Size

    90KB

  • MD5

    c6b0348c1935657be790e34493c09950

  • SHA1

    95a9138a8dd1885cb720810bd0f63000d0c4599e

  • SHA256

    a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dc

  • SHA512

    77a41bfc4ea71e7293cfd294d048bf8bdbb107c2e520d3f5b447cf05b5c9841e3bded720c823958624683f55a1ed1be4132027e39ef0f4b1888c0e498bccfb55

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDz:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3h

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 23 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\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe
    "C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe
      "C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KXENX.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1812
        • 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:2260
      • 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:2092
        • 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:2100
        • 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:2212

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          145B

          MD5

          4eb61ec7816c34ec8c125acadc57ec1b

          SHA1

          b0015cc865c0bb1a027be663027d3829401a31cc

          SHA256

          08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

          SHA512

          f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

          Filesize

          90KB

          MD5

          a9c3d5deccfe3ecad3ce5867ed487eaf

          SHA1

          d92c5f98da2c3413c9f97282223acdb36c2141d9

          SHA256

          139501e6d20cf3236e2bdfa9ebad9c25f70a98bac30466a0ba92b12c4eff5a64

          SHA512

          2d7ade8a2e65765fcd30b473fdb1c521193fd9fbe865b15cf998dbb0b843beb57964549aab1b747a5631b5e516403b08483adbb88c9d5712c03b41092526ebd6

        • memory/1824-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1824-148-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-150-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-106-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-255-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-154-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-94-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-212-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-213-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-216-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-96-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-109-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-98-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-149-0x00000000031A0000-0x00000000031F3000-memory.dmp

          Filesize

          332KB

        • memory/1824-107-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1824-102-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2092-157-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2092-217-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/2092-178-0x0000000000340000-0x0000000000341000-memory.dmp

          Filesize

          4KB

        • memory/2092-167-0x00000000002A0000-0x00000000002A1000-memory.dmp

          Filesize

          4KB

        • memory/2092-251-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/2100-244-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2100-261-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2212-253-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2212-264-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3020-61-0x0000000000320000-0x0000000000321000-memory.dmp

          Filesize

          4KB

        • memory/3020-25-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

        • memory/3020-26-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

          Filesize

          4KB

        • memory/3020-105-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

          Filesize

          4KB

        • memory/3020-0-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-71-0x0000000000340000-0x0000000000341000-memory.dmp

          Filesize

          4KB

        • memory/3020-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/3020-81-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-82-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-93-0x0000000002500000-0x0000000002553000-memory.dmp

          Filesize

          332KB

        • memory/3020-87-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-92-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3020-5-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/3020-15-0x0000000000290000-0x0000000000291000-memory.dmp

          Filesize

          4KB

        • memory/3020-3-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB