Analysis

  • max time kernel
    119s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 19:52

General

  • Target

    4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902N.exe

  • Size

    326KB

  • MD5

    32524eae9d114b857ed1d19407341d90

  • SHA1

    cda532a776738288438cc89b644dc98d1a6952c6

  • SHA256

    4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902

  • SHA512

    475964a48f6e031855794e23576011dd8a6c7770791b122798eed437462d0d34e8e1238fe2f48d923090e07df1a89ea2d170b5dd7a4cf0860f9cae38d2be906b

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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 23 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\4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902N.exe
    "C:\Users\Admin\AppData\Local\Temp\4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902N.exe
      "C:\Users\Admin\AppData\Local\Temp\4dc7ba0f03ed1141a64b4f892b9389e1a28581bbda8211b3939be9ead1fc3902N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RIDYC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2264
        • 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:1940
      • 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:1332
        • 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:1016
        • 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:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    099b70f2315e97f7ea473acb7b1e9fa6

    SHA1

    7900bc6871829c6662403d497b884557429738bd

    SHA256

    1dc224ce03822861fbede6dba0634ff36ef568b4f6f98ec691af1ef15ea3ed57

    SHA512

    de3c3143b78b66a5b292bd41701e235fb456bfa7974fde6d7cf3df0071ace4e69d7c39d9aed2ad2d68958e063579350321e890fe5cf76bd1262e9ec83ef65783

  • memory/772-147-0x0000000003460000-0x00000000034B4000-memory.dmp

    Filesize

    336KB

  • memory/772-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/772-250-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-148-0x0000000003460000-0x00000000034B4000-memory.dmp

    Filesize

    336KB

  • memory/772-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-245-0x0000000003460000-0x00000000034B4000-memory.dmp

    Filesize

    336KB

  • memory/772-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/772-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1016-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-247-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1332-177-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1332-156-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1332-211-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1332-185-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1332-166-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1332-150-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2012-246-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2012-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-108-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-71-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2644-79-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-80-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2644-83-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-92-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-106-0x0000000002750000-0x00000000027A4000-memory.dmp

    Filesize

    336KB

  • memory/2644-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-60-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2644-63-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2644-40-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2644-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2644-24-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2644-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2644-3-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2644-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB