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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 22:21

General

  • Target

    b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe

  • Size

    326KB

  • MD5

    13c43ea9907a0ba765f9a953f2c7ff70

  • SHA1

    7090c38c2437d2c2cdd406694415c9f67f724b27

  • SHA256

    b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498

  • SHA512

    357e37575a44918c7b2e176b0c503a7bf1bf195f737d6dd67992e9fee60b39dec8b11660d5071cfd5d59b23db9893b922a7a25f74013b02ab3aaf5638fded241

  • 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 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 21 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\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
    "C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
      "C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HJVWE.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5088
        • 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:1428
      • 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:4752
        • 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:1324
        • 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:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    4bba01e02c49a39a50bd96a77e7be21d

    SHA1

    f485fc8776108e6a13d3a2b4833eb54d3eea4531

    SHA256

    0554f0a8b53426061cab014c5dec074496c819828c86c721bcc8a15a182b93f4

    SHA512

    c96e79f129c7a8bc948d74e809139f770cf9fdff856147dbb6aa0236032ad4be9167c6b9e4e3b9bcda790aa66253d5a3a2a2d8b9a767da28512c1d6c6fe1e782

  • memory/1324-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1684-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1684-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1684-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1684-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1684-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1684-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4112-6-0x00000000022D0000-0x00000000022D2000-memory.dmp

    Filesize

    8KB

  • memory/4112-3-0x00000000022B0000-0x00000000022B2000-memory.dmp

    Filesize

    8KB

  • memory/4112-11-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4112-7-0x00000000022E0000-0x00000000022E2000-memory.dmp

    Filesize

    8KB

  • memory/4112-4-0x00000000022C0000-0x00000000022C2000-memory.dmp

    Filesize

    8KB

  • memory/4112-5-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4112-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4472-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4472-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4472-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4472-58-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4472-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4472-8-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4752-42-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4752-41-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4752-36-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4752-57-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB