Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 12:12

General

  • Target

    f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe

  • Size

    90KB

  • MD5

    43e97117bfade5aa4c5614aaf9a7ad80

  • SHA1

    42b98fea6bc225bb7941d49bcaf2fb23c8d83c3b

  • SHA256

    f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96

  • SHA512

    5a2009d430089fb8af7a1d7367c400a4a2ca092908e02b157d8bbf938a139e5c2b7e8b45ff0619da5c790b2285f69232889a2bb89dbffee97c1b178fab39f3ca

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
    "C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
      "C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QCINB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3580
        • 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:4132
      • 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:744
        • 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:4964
        • 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:4828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\QCINB.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a7781a805bb36f9fa35a1a2ec69f9869

    SHA1

    28516b17c1bf87996fe4aba0e7c828a5c1269986

    SHA256

    e5d571c3ae16eeeebfd9eb09f248f87e866389dd877a29a31f8517f4c22604d2

    SHA512

    fc4376e9849a10ccf1cc3acf0602586001a21f0494e4e1a20c1290240f2b525e48f2e0aacac298cabdfa0187f88d93031f52fcb764157be7b36e01f2e684e44d

  • memory/744-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/744-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/744-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/744-36-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2312-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2312-3-0x0000000002410000-0x0000000002412000-memory.dmp

    Filesize

    8KB

  • memory/2312-4-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/2312-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2312-6-0x0000000002440000-0x0000000002442000-memory.dmp

    Filesize

    8KB

  • memory/2312-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3652-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3652-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3652-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3652-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3652-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4828-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4828-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4828-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4828-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4828-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4828-63-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4964-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB