Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 05:42

General

  • Target

    45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781N.exe

  • Size

    90KB

  • MD5

    fb23f28fdce1578e8def60e422875fd0

  • SHA1

    322d5ce6b7a34b7d27ea5bf39bb35f190eb4e28b

  • SHA256

    45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781

  • SHA512

    b1b319cc06bc03bdfb5a09b43baccded1a8f373329d0ee78d67bbc387a5e44da837f92e027fab1aa68c3c3fc59193815705685e11fed51ad780b639210724d1a

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30

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 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\45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781N.exe
    "C:\Users\Admin\AppData\Local\Temp\45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781N.exe
      "C:\Users\Admin\AppData\Local\Temp\45bc8f44cfddeb4cb3d58d1afef5f3bba747817d5a500d6908dee5d1ef5ea781N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KTKUQ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1676
        • 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:2472
      • 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:596
        • 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:1224
        • 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:1184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    7708a6cc22140251fa2f5dd5e98f38bd

    SHA1

    bb30294be3ffe9d76f8acdafa5f46cd9b83e6a6c

    SHA256

    867842ee17d5d09487f24fe03476ca6f9f6194d61f133d1e59889fa886595d96

    SHA512

    0c94d5c3d3ed6aecd069e12280b9a4cbfde99806afa82b0ae8de627d7d5651ebe2f7e691e89d3029f5af1d0ce92f257e416432721e135c457389b73085ad52f1

  • memory/596-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/596-177-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/596-213-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/596-166-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/596-156-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/596-150-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1184-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1184-248-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1224-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2324-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-101-0x0000000001CF0000-0x0000000001D43000-memory.dmp

    Filesize

    332KB

  • memory/2324-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2324-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2324-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2324-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2324-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2324-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2324-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2324-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2324-94-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-41-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2488-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-102-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2488-245-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2488-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2488-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB