Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 21:45

General

  • Target

    b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08N.exe

  • Size

    90KB

  • MD5

    dc3d9f67cc5b51f0c4d4c8a05bc97290

  • SHA1

    b679ce97156e4864dee423d380dcbd63e0fccacf

  • SHA256

    b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08

  • SHA512

    944ef8ef4821ced540a5b9fecd03bf2e5f9ca40d1b976f4d6e3db1ef1c58d0e366c8ab1ed3b4715293035eaa4585477f6c8664a2a4889d10a71ce4accebe049d

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L

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 25 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\b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08N.exe
    "C:\Users\Admin\AppData\Local\Temp\b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08N.exe
      "C:\Users\Admin\AppData\Local\Temp\b28ef1da4334d2a664a3b018ad471ef3be8a2a2512e93172b071eae321b86c08N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DOQLJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1260
        • 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:988
      • 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:2796
        • 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:1328
        • 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:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    0f8275a316740218d0bde37495e2be4e

    SHA1

    7a921a211e9ed12383745e31875e9ceb72b26cc7

    SHA256

    41731e2fab602be7c82d39d21b597e89a91c62a55644e032af4dda804c531823

    SHA512

    be0833e1db0051d9e06630e0f7d9748d0f7e67ffb0d9814c3475967530d19355494517cf3c12a18a59f01ae0ac652051ff22cc7d7b95d8d623f234a90002927b

  • memory/1328-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1328-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1704-60-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/1704-70-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/1704-80-0x0000000000760000-0x0000000000762000-memory.dmp

    Filesize

    8KB

  • memory/1704-39-0x00000000006E0000-0x00000000006E1000-memory.dmp

    Filesize

    4KB

  • memory/1704-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1704-27-0x0000000000640000-0x0000000000641000-memory.dmp

    Filesize

    4KB

  • memory/1704-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-45-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1704-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1704-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1704-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-110-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-93-0x00000000027B0000-0x0000000002803000-memory.dmp

    Filesize

    332KB

  • memory/1876-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1876-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2628-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-152-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2628-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-137-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2628-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-151-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2628-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-253-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2628-255-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2628-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2628-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2796-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2796-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2796-180-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2796-251-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2796-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2796-169-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB