Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 05:34

General

  • Target

    3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710.exe

  • Size

    90KB

  • MD5

    4b1ddc650a91be0547dfba352bb08b67

  • SHA1

    f9d3b7a83ff2d8524144ea452d612e8d5dacac51

  • SHA256

    3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710

  • SHA512

    d63e9a3bc0e4efb10da86cd02e1077b0f62b480ff2e39d9f04084d4dc6cba6f933b766d3ddbc8e87a60806d0ee087a7ca3f0700e29dbc2a5b43099adab5fd0ed

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDl:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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\3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710.exe
    "C:\Users\Admin\AppData\Local\Temp\3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Local\Temp\3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710.exe
      "C:\Users\Admin\AppData\Local\Temp\3ffd9f0fed6e2dcb676ad8069bf37f89f69d5c6ef021f06ab3872afba58f1710.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QHRNI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1400
        • 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:2136
      • 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:1956
        • 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:1232
        • 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:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    ee99a0cd43769747f58739fc4bf19da6

    SHA1

    3308519a400bf2e6fcad3d12499c290d8fdd87b8

    SHA256

    c0455aba2b44e160e7a36dfac90ed2e3af46831e451a19710cb7b69cb7f487b2

    SHA512

    0348ddbcceae747528af31968a0a9db683f1deff885e74107082c1d30ba734dfb036281289ac1380b644daec873dbb5a47a713120aa1dce688192f41b2ba40cd

  • memory/1232-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1232-254-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1428-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1428-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1932-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-253-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-251-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1932-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-252-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-148-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-258-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-213-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-146-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1932-147-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-150-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1932-149-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1956-168-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1956-158-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/1956-260-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1956-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1956-179-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2396-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2396-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2396-154-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2396-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-61-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2396-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2396-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2396-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

    Filesize

    8KB

  • memory/2396-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2396-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2396-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB