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Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 13:17

General

  • Target

    ac533c173cdda6f4aca63272eb21ef00N.exe

  • Size

    90KB

  • MD5

    ac533c173cdda6f4aca63272eb21ef00

  • SHA1

    ff725870cf0232b72f2a72383af2a2cd868f38a1

  • SHA256

    7853d7f6e117ba9b88f07e412b51a6e791f935a322b7c36dd584f3e5f59b5856

  • SHA512

    a811c5868ba386755bfc358872a92a0baf3cd032a9b0bc26bd80ca413f39aaaa0f1279867dca0722d9ef45ea10dbb58114823c71cbd13291e2993bfb290e166e

  • 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 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
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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\ac533c173cdda6f4aca63272eb21ef00N.exe
    "C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe
      "C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JSPKT.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4696
        • 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:2880
      • 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:4392
        • 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:4952
        • 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:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4df718c5d0e91df709c7ba1e68e4beb7

    SHA1

    888274d3e9bc910865f3a63fdb85ca7e8275123a

    SHA256

    703e2d7fc432f75665a28395ae7d8e44d7e251d3ec24b7e3c27bc4873a51ae7e

    SHA512

    78d671010eaf9489b507014eb4fbdae5c3633239133013d00637c913233e69f8f852adc45ea16e822c8b3384ed37aca5451b942c669a0178108bf1689bb87093

  • memory/916-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

    Filesize

    8KB

  • memory/916-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/916-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/916-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/916-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/916-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2004-48-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2004-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2004-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2004-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2004-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2416-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2416-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2416-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2416-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2416-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4392-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4392-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4392-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4392-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4952-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB