Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 04:06

General

  • Target

    a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc.exe

  • Size

    326KB

  • MD5

    af9ea2a8ca6557a26b57613e66f6999b

  • SHA1

    13d8c03b7a95ab3ca775aa6a7cad76ab7350d867

  • SHA256

    a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc

  • SHA512

    0d9d28675634b15c3fe7941ff94eb86589096738a1e32c686d82c3d1c8aeb3672e551674f6a6b6d8694ee68cd41b8ff8eb9174030fae67645f4cbc2ecf08c01a

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8

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\a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc.exe
    "C:\Users\Admin\AppData\Local\Temp\a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc.exe
      "C:\Users\Admin\AppData\Local\Temp\a6bed24b4dc22631c1ce3d6d1dfd73909482f3a98be2c8346e984ca14d9491fc.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4480
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ASXSO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2456
        • 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:1420
      • 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:2416
        • 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:3968
        • 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:4044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    aafceadaa6729c3cd24adf1d325c1e49

    SHA1

    3c691fbf69c05dc7cb66e66bb8d30cdaa96d56bc

    SHA256

    41d056198cdec93456b96e6f4d82f96c94815347c798f3804db7d8289d81b61a

    SHA512

    173669356d63f53bfaff71d0438d7236a2b5182dcf84b06ad469458482773d0ea19c1abf0044b049893c205a1fcbee21fcabcf5bdb12f0283a1c1a26b329867a

  • memory/1236-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

    Filesize

    8KB

  • memory/1236-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

    Filesize

    8KB

  • memory/1236-5-0x00000000021D0000-0x00000000021D2000-memory.dmp

    Filesize

    8KB

  • memory/1236-4-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1236-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1236-12-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2416-55-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2416-35-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2416-40-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2416-41-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/3968-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4044-60-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4044-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4044-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4044-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4044-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4044-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4480-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4480-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4480-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4480-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4480-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB