Analysis

  • max time kernel
    119s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 15:34

General

  • Target

    31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6N.exe

  • Size

    90KB

  • MD5

    a96973e28ab2f28267f36ae74185f990

  • SHA1

    2538578e516ba26336a224b9ac2a94e9d3a74d3b

  • SHA256

    31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6

  • SHA512

    345619dbd7aa5dfebc53ba92572c304188a6d217d0f89bb0f1ebe2851c702666e2e27e001cd259665865d13216090ef7b4e80872c17fa6d346e3c4e8f8312d36

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD3:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3h

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 26 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 63 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6N.exe
    "C:\Users\Admin\AppData\Local\Temp\31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6N.exe
      "C:\Users\Admin\AppData\Local\Temp\31764fea7d7bae84d9557a1a689cc6afe0ec81c8820ff2a18a4b91820a8d4ac6N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\AYOPM.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1480
        • 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:872
      • 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:1052
        • 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:1760
        • 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:1772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a8456a975cdf7baf9f4dcaeef375f311

    SHA1

    d3d24dccf234e897cd83b19523e8c06e9af40477

    SHA256

    d83f47e83aa1682411fef5b012a4ccfc3b4d8cf4c2df7edaf3c53a7c46cdceaa

    SHA512

    95e28d36e6a58b2f72b0ecf30d957cc5d41189c8518f5c2d60a0ab6e87426169a2b95859c559a74fe4143a78e6efca5fbece476fdcca6cb87097b3a12b5aa8ee

  • memory/1052-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1052-187-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1052-223-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1052-176-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1052-166-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1052-163-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1648-160-0x00000000024E0000-0x0000000002533000-memory.dmp

    Filesize

    332KB

  • memory/1648-151-0x00000000024E0000-0x0000000002533000-memory.dmp

    Filesize

    332KB

  • memory/1648-103-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1648-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-159-0x00000000024D0000-0x0000000002523000-memory.dmp

    Filesize

    332KB

  • memory/1648-161-0x00000000024E0000-0x0000000002533000-memory.dmp

    Filesize

    332KB

  • memory/1648-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-152-0x00000000024E0000-0x0000000002533000-memory.dmp

    Filesize

    332KB

  • memory/1648-150-0x00000000024D0000-0x0000000002523000-memory.dmp

    Filesize

    332KB

  • memory/1760-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1772-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1772-269-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3040-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-29-0x0000000002270000-0x0000000002271000-memory.dmp

    Filesize

    4KB

  • memory/3040-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-62-0x0000000002430000-0x0000000002431000-memory.dmp

    Filesize

    4KB

  • memory/3040-69-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-73-0x0000000002450000-0x0000000002451000-memory.dmp

    Filesize

    4KB

  • memory/3040-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-41-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/3040-21-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3040-16-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/3040-6-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/3040-4-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/3040-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-83-0x0000000002470000-0x0000000002472000-memory.dmp

    Filesize

    8KB

  • memory/3040-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-95-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3040-96-0x0000000002760000-0x00000000027B3000-memory.dmp

    Filesize

    332KB