Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 05:49

General

  • Target

    f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03.exe

  • Size

    90KB

  • MD5

    a505506c114be7c68c8274043a666138

  • SHA1

    528eeba3b00ede5903b4f6267ee1e4de7f83c98a

  • SHA256

    f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03

  • SHA512

    c701fa0ca6a9315a01a9f2efa7e71396f2806c34810d71c5982d92cbd4cad8c8f4aa679995b3131aa520e0719620a3751e8ea11f226d2ca70039a2dfe73509e3

  • 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 20 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\f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03.exe
    "C:\Users\Admin\AppData\Local\Temp\f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:340
    • C:\Users\Admin\AppData\Local\Temp\f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03.exe
      "C:\Users\Admin\AppData\Local\Temp\f6eb91b7fff2ff24be0f3c16207d1d01d461510fb2df5c4e76674c37d53b3e03.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\AYLNI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2976
        • 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:2944
      • 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:2956
        • 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:2020
        • 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:848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e99184ac3f6cdb26b10425894da2d96f

    SHA1

    70be5eb0770193cfaa64e374e2dc3682b4bde98c

    SHA256

    aa927fc34ada71b4371bccffd8b0ffe02b9380bacdbca09a0dbbb4de146c353a

    SHA512

    de455a32387faa188c206f94d458c0be3724dff1745827ddbb9f58328a91f7e2b8f770e52277923bcecdd0f662c284c6953567c2ea53032875298b3484736b56

  • memory/340-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/340-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/340-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/340-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/340-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/340-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/340-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/340-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/340-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/340-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/340-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/340-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/340-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/848-245-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/848-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2020-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-132-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-147-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-146-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-145-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-151-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2812-212-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-211-0x0000000003490000-0x00000000034E3000-memory.dmp

    Filesize

    332KB

  • memory/2812-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2956-246-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-154-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2956-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2956-164-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2956-175-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB