Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 13:00

General

  • Target

    81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe

  • Size

    90KB

  • MD5

    cd4c3de20544d7c0fdfbdad17072b0d0

  • SHA1

    b07d8743d4a7b08e0012b71de69233270d966ee7

  • SHA256

    81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708

  • SHA512

    30d5634a2fbf2b94121dfb7b221fafb9f3b3a5139a43dafd19936c3aa0cf8a22019ede6639a3d59cdfffb839ca957501789a48a74ef594295a91d2e0cde8e84d

  • 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 2 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\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe
    "C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe
      "C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2392
        • 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:1684
      • 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: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
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1652
        • 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:1340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d957f7f6b7c570546fae59723dc37ba8

    SHA1

    079585fb3545c2b009503c08bb0d6cfa5b1425bc

    SHA256

    406637544993bd49e97ec260e812e79dbe0d34dd0c8f080fee840c0b4db4a43d

    SHA512

    d4f53149cdfc47a75afcbe749974315d205d4e93ec5e358f5622c318fcbf10ba819c0046be0a9b59486d17ef3773035a80bb64335676cf395fa333ac12c01c52

  • memory/1340-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1340-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1652-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1652-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1692-261-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1692-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1692-181-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1692-170-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1692-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2092-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-32-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2092-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-113-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-102-0x00000000004C0000-0x0000000000513000-memory.dmp

    Filesize

    332KB

  • memory/2092-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2092-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2092-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2092-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-80-0x00000000003C0000-0x00000000003C2000-memory.dmp

    Filesize

    8KB

  • memory/2092-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-71-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2092-61-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2092-41-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2092-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2092-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2948-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-152-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-153-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-139-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-251-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2948-256-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-254-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-252-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2948-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB