Analysis

  • max time kernel
    149s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 23:14

General

  • Target

    f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452.exe

  • Size

    90KB

  • MD5

    3ae424ecb952260eb46df611b5c2443c

  • SHA1

    99b9156bb79417f4e1bbfa7b9d31bf167308478d

  • SHA256

    f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452

  • SHA512

    081c610ded7ab204bd302a7330c6c6dddb8354d380d3a0b265c580689d89d93cd74ad41cd70b2bd60df57e781250ebd719050401a13927c3605ee1b3dba68f73

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3b

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 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\f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452.exe
    "C:\Users\Admin\AppData\Local\Temp\f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452.exe
      "C:\Users\Admin\AppData\Local\Temp\f59d5995ecaec1ae268cbab0c21e282a5e61adcc8971686d4369f9a86a84b452.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CMVTD.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2908
        • 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:2664
      • 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:1500
        • 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:1800
        • 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:1788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    49a3800db17c2689f1421f641ffc43d3

    SHA1

    f8b9dfb48f3dd6c3958827a239998d02aecb4d06

    SHA256

    4a066acdefcea3379f8f544cae685d6138aef82c7f2315f70e7666aac1f113e5

    SHA512

    9d1f510e8c4db15481efde98a608579d3e578f9ff4205f959c5e0afbc0f397b25c0e3079aacb805d9f613134b87042e0cb0ad0734c4b42acee452ab20f4958d3

  • memory/1500-174-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/1500-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1500-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1500-222-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1500-186-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1500-164-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/1500-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1500-182-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-30-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1688-81-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/1688-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1688-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1688-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-72-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1688-62-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/1688-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-99-0x0000000001EE0000-0x0000000001F33000-memory.dmp

    Filesize

    332KB

  • memory/1688-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1688-42-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1688-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-110-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1688-26-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1788-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1788-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1800-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-151-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-150-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-158-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-160-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-161-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-159-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-152-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-149-0x0000000002A10000-0x0000000002A63000-memory.dmp

    Filesize

    332KB

  • memory/2536-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2536-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB