Analysis

  • max time kernel
    120s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 13:48

General

  • Target

    be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe

  • Size

    90KB

  • MD5

    1082cfd7b9f04f0c8e28aa134b1a4519

  • SHA1

    a43572dbe622e03ea7dfe9ed3856a7213c2e9544

  • SHA256

    be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0

  • SHA512

    928efc3d86e3e28f327300a86d586332c88c15fc0b81bdb5cd67a4705ea8d7fa65aa2ec2749db0041f10528ec5d5154dcefe70a34393000ea9d9e98790021855

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDT:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d

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 22 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\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe
    "C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe
      "C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QUPXL.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2896
        • 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:1660
      • 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:2648
        • 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:1924
        • 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:928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    665994e3cf1343f51d2177928d8dad1f

    SHA1

    4f42a6a616cb4a80600e598ff9b3c751bf88bce3

    SHA256

    04d384be36d9ab97f7d88d0b076eaa0b32caeae4784629a3e8b4614352e1dd9d

    SHA512

    8a8018e29368cf0ddc35729696b4ee9e794f5df6bde405e859d7572a25d99415f0f7d1dceaab8d35884db4fe9825c85762fe007a29837ba84d2fc1a178b9f955

  • memory/928-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/928-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1924-244-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1924-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2448-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2448-62-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2448-30-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2448-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2448-91-0x00000000023A0000-0x00000000023F3000-memory.dmp

    Filesize

    332KB

  • memory/2448-80-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/2448-72-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2448-42-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2448-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2448-13-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2448-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2448-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2448-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2448-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2448-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2584-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-147-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-150-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-149-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-148-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2584-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2584-175-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-169-0x0000000003210000-0x0000000003263000-memory.dmp

    Filesize

    332KB

  • memory/2584-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2648-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2648-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2648-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2648-181-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2648-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2648-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB