Analysis

  • max time kernel
    118s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 10:28

General

  • Target

    8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe

  • Size

    90KB

  • MD5

    556455449ac5c713aea6b6b058d0afe0

  • SHA1

    b7d4e0a396735af996c6a01e553722f0b3758d9d

  • SHA256

    8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21

  • SHA512

    64c2f0bd124ec3ddc376e5d4862130f2971a5c78a8f096bdaf27bf279948231e7e9b2e31c64f0ef950334a88836fbbb0d605a1fe688e127c8ff3bbfa93e56a06

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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 25 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\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
    "C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
      "C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\AMSXI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3012
        • 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:832
      • 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:2804
        • 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:1692
        • 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:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    53cad4fe1cedf6b700f5448779c7dac0

    SHA1

    44140a7db7254113cfa03c6bf316c5ca5bb36ac1

    SHA256

    f2ae336564475f158a0687edc73123d34c015116daf5aedc0b421975eb706525

    SHA512

    a88eb5fcf2a2e9aaecb6911e0db13e1f0b24c3e5eaab9dc1c7a229a3281943c2648710239973baaa906a03c3ff449fd60a1f7e178e6c0f7cf83b788d6db48302

  • memory/960-250-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/960-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1692-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1820-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1820-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-71-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/1820-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1820-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1820-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1820-80-0x0000000001D80000-0x0000000001D82000-memory.dmp

    Filesize

    8KB

  • memory/1820-108-0x0000000002750000-0x00000000027A3000-memory.dmp

    Filesize

    332KB

  • memory/1820-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1820-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1820-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1820-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2804-159-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2804-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2804-252-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2804-169-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2804-180-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2804-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3048-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-214-0x0000000002820000-0x0000000002873000-memory.dmp

    Filesize

    332KB

  • memory/3048-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-150-0x0000000002820000-0x0000000002873000-memory.dmp

    Filesize

    332KB

  • memory/3048-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-151-0x0000000002820000-0x0000000002873000-memory.dmp

    Filesize

    332KB

  • memory/3048-149-0x0000000002820000-0x0000000002873000-memory.dmp

    Filesize

    332KB

  • memory/3048-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3048-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-249-0x0000000002820000-0x0000000002873000-memory.dmp

    Filesize

    332KB

  • memory/3048-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3048-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB