Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 01:59

General

  • Target

    a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe

  • Size

    90KB

  • MD5

    ea5366a82d8f1d4b1b251ce8d48cfed3

  • SHA1

    872666be1f206fd1c4e9db23dd14a73c67c76c78

  • SHA256

    f7939d643e8f195041810e55d86937321b05fb7d8babe44d14da780282ae54cb

  • SHA512

    bae7fbe3fd8f46390c865a08ac924b093ae0a420b46722ad03fe43c16fbe4be9e99738a3697fdce6170f07a4f97b8f08ca99da53471dad056717c406d9c15525

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

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 25 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\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
    "C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
      "C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HCXCP.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1400
        • 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:812
      • 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:1968
        • 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:1588
        • 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:932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    be2dc6509a8ed93ce5e198481a0ed5a4

    SHA1

    46c1c7a804192b115ccd8e4d6b1b39991b014863

    SHA256

    548b5572c63bf5900811774ca7d67b1557ec68229e7ae41d2184adb0041bd91c

    SHA512

    f69b985440c90286a5f83748ef81746671050a09e063e3ea500b486dd5b2d4e8b531957b931b784c673b42dca7efe5eb86fc5093c9037523e22516527ef19eae

  • memory/932-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/932-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1468-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-226-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1468-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1468-216-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-222-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-135-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-149-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-150-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-151-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-148-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/1468-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1588-244-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1588-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1968-169-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1968-243-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1968-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1968-180-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1968-159-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2668-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2668-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-71-0x0000000001C40000-0x0000000001C41000-memory.dmp

    Filesize

    4KB

  • memory/2668-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2668-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-79-0x0000000001D80000-0x0000000001D82000-memory.dmp

    Filesize

    8KB

  • memory/2668-41-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/2668-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2668-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2668-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2668-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2668-61-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

    Filesize

    4KB