Analysis

  • max time kernel
    152s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 08:54

General

  • Target

    a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe

  • Size

    90KB

  • MD5

    83333beda7d1962e1472b708f3766f10

  • SHA1

    d6fc9a0f5bd6423861c2e7a3c8294ebe6e897780

  • SHA256

    a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053

  • SHA512

    cdbdcda4e77dbc765eb047e7ec00817d7c9044346140432e46029f373a1dac5f5532dc461c69cfaf9ee9a4b764a0ce76710a86cc91d797a62b129d927c0fa92a

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe
    "C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe
      "C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RPTOW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2968
        • 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:2252
      • 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:2036
        • 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:2400
        • 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:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    3ecde775529945351e98e5e1ec93883b

    SHA1

    18f60b74ca526ae342b8059331e8dde7ded5cb06

    SHA256

    0df054462952db0d26000152f7471d7d0a01fcb3f6ac7710e9509bf684ee853b

    SHA512

    6f2cbed1ac7ad327c96ce52a0ea347a8e94668bc0065934296fc4fe062c252147f64ddcc65a965aef7e44583a0c0426896ea99cbd0857adab36a04f549e7458f

  • memory/1056-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-17-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1056-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1056-81-0x0000000000680000-0x0000000000682000-memory.dmp

    Filesize

    8KB

  • memory/1056-73-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/1056-63-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1056-43-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1056-31-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/1056-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1056-23-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1056-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1056-107-0x0000000002670000-0x00000000026C3000-memory.dmp

    Filesize

    332KB

  • memory/1056-155-0x0000000002670000-0x00000000026C3000-memory.dmp

    Filesize

    332KB

  • memory/2036-188-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/2036-177-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2036-167-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2036-164-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2036-222-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2036-263-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2360-162-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-160-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-150-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-148-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-135-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-151-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-157-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-158-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-161-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-149-0x0000000002960000-0x00000000029B3000-memory.dmp

    Filesize

    332KB

  • memory/2360-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2360-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-267-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2360-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-268-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2496-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2496-271-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB