Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 22:23

General

  • Target

    c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae.exe

  • Size

    90KB

  • MD5

    537cf6bd11a18713b71cd1fc787df59e

  • SHA1

    d9f4333ee3ae02e63048c4a3371074ca67a2e814

  • SHA256

    c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae

  • SHA512

    18ff8d6bb9735220c0166f77f2e4604e20c3135d9143be1bd43de44c3d91ec609d9ff8574b5d1ef30d5ee7e1af05b3a8f08e17cbba3c6fb6208ad3a7efd6d774

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDr:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 23 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae.exe
    "C:\Users\Admin\AppData\Local\Temp\c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\AppData\Local\Temp\c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae.exe
      "C:\Users\Admin\AppData\Local\Temp\c3929e2b55ef9471d6a2bbb66ba79b487fba4d1b753cfe9c03ff992683ef91ae.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HSXTH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1356
        • 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:3000
      • 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:2964
        • 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:1516
        • 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:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HSXTH.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    31e40a3c8c6a3d1b21c0e9f7e8da0514

    SHA1

    6c7b0c9b3107f6f23b08f55eec0b9fed1fc427fd

    SHA256

    ced985efd733ec8796bd9dc3e6b2fed1c4f80fe9af1e8c54166b875735d90c1e

    SHA512

    4148d50907ac4442657cdff4f22eb8d57957603899785591a8fae706e42282b38647ad0642d686910e0d0cbed5ce3cd376a4a3935d951d5d08b76a99b406075c

  • memory/1516-247-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1516-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2176-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2176-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2260-150-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2260-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-149-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2260-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-245-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2260-214-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2260-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2260-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2260-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-61-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

    Filesize

    4KB

  • memory/2788-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-108-0x0000000001D40000-0x0000000001D93000-memory.dmp

    Filesize

    332KB

  • memory/2788-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2788-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2788-41-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/2788-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-71-0x0000000001C00000-0x0000000001C01000-memory.dmp

    Filesize

    4KB

  • memory/2788-79-0x0000000001C60000-0x0000000001C62000-memory.dmp

    Filesize

    8KB

  • memory/2788-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2788-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2788-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2788-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2964-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2964-167-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2964-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2964-178-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2964-157-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB