Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 21:25

General

  • Target

    4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb.exe

  • Size

    90KB

  • MD5

    cdc051d729ce92e2637a961870010874

  • SHA1

    85b7eceaa53a9c0bff429ccd4bef7fb4bf45c23e

  • SHA256

    4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb

  • SHA512

    8880fe201d1af9f51605911c3da51eaffb31281439ce1cb444657f57b2bcf14553ea8c50fbcfab8a1944fe63c3f3d1c6d113a0c64ede04ca5a6d374d0f3e0131

  • 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 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 24 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\4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb.exe
    "C:\Users\Admin\AppData\Local\Temp\4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb.exe
      "C:\Users\Admin\AppData\Local\Temp\4f22fd487a4358ae4be9cc056232dfceb857355c46c1397255aa0f12cc97beeb.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OINJK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1812
        • 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:2260
      • 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:2092
        • 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:1612
        • 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:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    2c1336372191bff95cd15313903f2731

    SHA1

    70747979da89522fc986d664e66b6d49828e2015

    SHA256

    55420369e1ef0b1662b49a70976dc99530799bfb8d5f4b637994a5ff32fb54fd

    SHA512

    82c0b0d19ca83f210d90e40871a8a929e56c703d0477cb03432ccc8f3229bf9745d75509fc54d7eca73da5b155d0d52ffd984dc2578e018b06258e403d805014

  • memory/1520-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1520-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1612-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-135-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2064-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-150-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-151-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-225-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-221-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-149-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2064-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2064-247-0x00000000033B0000-0x0000000003403000-memory.dmp

    Filesize

    332KB

  • memory/2092-159-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2092-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-245-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2092-180-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2092-169-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2092-152-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-79-0x0000000000370000-0x0000000000372000-memory.dmp

    Filesize

    8KB

  • memory/3020-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/3020-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3020-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/3020-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/3020-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/3020-71-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/3020-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3020-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/3020-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB