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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 13:40

General

  • Target

    45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe

  • Size

    326KB

  • MD5

    d87f08f5f18a0e14fbc881a34b31b634

  • SHA1

    868f1ac54e456a2d746bcf1fd9f001aa53c4c5ac

  • SHA256

    45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15

  • SHA512

    46f4ce6404c00cc52636614daacce6e21ec884b25f66f2069ed4920497d65c164d55c17aa668179c54ef9756bc7e37a979bc045f3b59a0212230aa25657563b2

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVx:csxD5cwohO+O1sVG0/pZ6iPC8g

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\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe
    "C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe
      "C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WWJLG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1180
        • 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:1728
      • 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:1660
        • 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:1996
        • 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:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    3be8f14ed122920e89cb10dc4f88fc14

    SHA1

    745d2b9dcbb2c49ee22cd85b9654c8038170c536

    SHA256

    f6327b5a1c1d7d1634d77aa08b9bed899454b16be6baccd4f528c76a166725e6

    SHA512

    3a52df6aa6421ae64d44251a5b50778664e2bcb5d33a6027d1067be9f7f940ca2607a1421bc44c956008c427762916f342bc3ab43738ca0b9ec7c3e019c085dd

  • memory/1660-187-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/1660-250-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1660-154-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1660-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1660-168-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1660-179-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1660-191-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1860-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1996-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-149-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2188-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2188-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-245-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2188-148-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2188-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2188-243-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2188-147-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2188-150-0x00000000034D0000-0x0000000003524000-memory.dmp

    Filesize

    336KB

  • memory/2496-82-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-78-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-79-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-108-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-80-0x00000000007A0000-0x00000000007A2000-memory.dmp

    Filesize

    8KB

  • memory/2496-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-92-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-89-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2496-70-0x0000000000780000-0x0000000000781000-memory.dmp

    Filesize

    4KB

  • memory/2496-40-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/2496-60-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2496-28-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2496-24-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2496-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2496-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2496-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB