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
    18-12-2024 05:28

General

  • Target

    df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe

  • Size

    90KB

  • MD5

    72cff286c0f6c58b92eff2304090c81b

  • SHA1

    02e638d9f228628c13065133e78f96f0e6e01c59

  • SHA256

    df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87

  • SHA512

    63ab4f04d09e810f0af0839c2d948d6a1b22c21aff72ca1e37e239597c1d19199cbf383635c5cc8abc3b6f61769e497d83b27482c716a6d5b4ce7323f13ec506

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z

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 19 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\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
    "C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
      "C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GSYOM.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2400
        • 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:4624
      • 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:2044
        • 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:2636
        • 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:656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    7506e9f33ccdfa29bbce971a566696d0

    SHA1

    3a3b646b57ffeff886c0385ca4b8e24453ff2b9d

    SHA256

    19640e6b8da1cf2090769a56a0cce6881ab44f3480afbed937ebcd75a61069b6

    SHA512

    752b91fbdaf09fa6b89eeb1531bad6080177f6a3d1382f59196dda7aaf45e589867fa9eae481307c0669f9aa57cf75d0604c0568ee924335b7dac12a5379ece1

  • memory/656-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/656-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/656-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/656-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/656-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/656-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2044-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2044-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2044-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2636-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3060-58-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/4648-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4648-6-0x0000000002940000-0x0000000002942000-memory.dmp

    Filesize

    8KB

  • memory/4648-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4648-4-0x0000000002920000-0x0000000002922000-memory.dmp

    Filesize

    8KB

  • memory/4648-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4648-3-0x0000000002910000-0x0000000002912000-memory.dmp

    Filesize

    8KB