Analysis

  • max time kernel
    120s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 13:49

General

  • Target

    7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41N.exe

  • Size

    90KB

  • MD5

    22d54b8434c25fd4f4f68cd55912db10

  • SHA1

    0f1004f39251804503fee734290dd7c3fa644f24

  • SHA256

    7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41

  • SHA512

    c5d02b40fe47f8c7134d00cc8aa12113fe12e2742b217bc19f1bacdd785b5e5e79931aaa36884361914d20f18bcceee929de402daa959e15c34642d92fa46ece

  • 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 27 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\7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41N.exe
    "C:\Users\Admin\AppData\Local\Temp\7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41N.exe
      "C:\Users\Admin\AppData\Local\Temp\7408f54bd8b4bb9fd17b2be5c9437cec96f16d91d4253973b97e8d13bcef2a41N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CSKIT.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2960
        • 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:2280
      • 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:972
        • 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:2404
        • 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:1332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a742bd25e451908a3eb4a0f1eb39398e

    SHA1

    e0032b8a4d350f06c6393329d704397e5ec81abb

    SHA256

    84fc7798c0e0345d071bd2f2f7c6de072756ba8c432d6a654ab56680472fccdb

    SHA512

    1f466bbb251432242ede02ef72415a61b649e1c6c77b3e68388c1727efddcd56ff5caa1f7f2fa21180daeb4fe0a7c3277dae444241889d638f7865d54021a726

  • memory/568-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-139-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-154-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-153-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-102-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/568-152-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-164-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-159-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/568-161-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-162-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/568-163-0x0000000002C20000-0x0000000002C73000-memory.dmp

    Filesize

    332KB

  • memory/972-189-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/972-167-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/972-185-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-231-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-225-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-177-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/972-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1332-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1332-270-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2404-269-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2904-76-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2904-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2904-84-0x00000000003D0000-0x00000000003D2000-memory.dmp

    Filesize

    8KB

  • memory/2904-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-95-0x0000000002490000-0x00000000024E3000-memory.dmp

    Filesize

    332KB

  • memory/2904-43-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2904-51-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-62-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-65-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2904-73-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2904-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2904-110-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2904-112-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-94-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-26-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2904-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-30-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2904-38-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2904-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB