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
    17-12-2024 05:41

General

  • Target

    4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507N.exe

  • Size

    90KB

  • MD5

    5c353a35e2201783b767ede34ffd1300

  • SHA1

    c682d8d9b812d34ee653fcfdac261a161cc31957

  • SHA256

    4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507

  • SHA512

    c5c3179d08ea705599f602e3f71f072118d65f63d82bd3775a0be515e6fe88b212aa7047d83aaeaac9b5718fc2f8b1617e1a6b0ae592a6c21434259d6805594d

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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 27 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\4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507N.exe
    "C:\Users\Admin\AppData\Local\Temp\4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507N.exe
      "C:\Users\Admin\AppData\Local\Temp\4cd2c79d5c10601ec338e14c0c28ae3334381d1b88fdc259939d70c96c2ff507N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OJNKK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2656
        • 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:860
      • 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:1432
        • 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:1888
        • 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:1576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4a6acc38a9a2fcfab06c986380727675

    SHA1

    71cf5faa51285865af6e3357db5c367b16c90b8b

    SHA256

    5f9a29a05e20ae8406e09301d757c73121d9c461aeb0e672c66a2c92eff6a33d

    SHA512

    10ed1ce9842c26a0fd1b47dadd00704d2099c2b3474ae9945b92235646186714ac723df6c5405cdd1694c0ce82a15993e9b9620e3f6dc7de1748a0da1b872684

  • memory/1432-259-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1432-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1432-162-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1432-172-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1432-220-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1432-183-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1576-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1576-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2148-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-21-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2148-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-80-0x0000000001D80000-0x0000000001D82000-memory.dmp

    Filesize

    8KB

  • memory/2148-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-108-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-105-0x0000000002600000-0x0000000002653000-memory.dmp

    Filesize

    332KB

  • memory/2148-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2148-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-71-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2148-61-0x0000000001D00000-0x0000000001D01000-memory.dmp

    Filesize

    4KB

  • memory/2148-55-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2148-40-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2148-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2148-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2148-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2768-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-154-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2768-153-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-152-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-151-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-159-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-217-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2768-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-252-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-253-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-112-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-254-0x0000000003110000-0x0000000003163000-memory.dmp

    Filesize

    332KB

  • memory/2768-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2768-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB