Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-06-2024 03:54

General

  • Target

    e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe

  • Size

    90KB

  • MD5

    b5998ed5ce520568158923b2dfd222c6

  • SHA1

    8eef994abe50fbe7c5e30d62194c8af42db99a84

  • SHA256

    e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606

  • SHA512

    c7f958707a75e1497cde04369ebaf5ba1af1c2bad6b7ece26d0dfa3aad96bfacb645e7360e4262fe0b646e30cd70a723e4c0468a17652ab869f3aa63b0a2d16c

  • 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.

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • UPX dump on OEP (original entry point) 23 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
    "C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
      "C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DVNJE.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2900
        • 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
          PID:1792
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:356
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:872
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DVNJE.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    90KB

    MD5

    8865691de473843b215833286f4bb605

    SHA1

    55abdc6e053713d99a988946fa37373ca2ce3363

    SHA256

    74eae461bf0f65e8d9b22b986ee8827b34c8263f9a3299c8067ca5da619cc140

    SHA512

    1b609b9905f4ae84491aca987856ca265c78cdda4c09144b22e7f0245645ed9c7667271cf0d8e052da2265f86ed6f31be58499c617fd40ae82ebe05eef0157dc

  • memory/356-151-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/356-156-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/356-231-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/356-177-0x00000000002F0000-0x00000000002F1000-memory.dmp
    Filesize

    4KB

  • memory/356-166-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/356-251-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/656-262-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/656-248-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/872-261-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2248-88-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2248-81-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2248-91-0x00000000027E0000-0x0000000002833000-memory.dmp
    Filesize

    332KB

  • memory/2248-39-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/2248-59-0x00000000003B0000-0x00000000003B1000-memory.dmp
    Filesize

    4KB

  • memory/2248-79-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/2248-80-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2248-27-0x0000000000290000-0x0000000000291000-memory.dmp
    Filesize

    4KB

  • memory/2248-69-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB

  • memory/2248-0-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2248-107-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2248-77-0x00000000003F0000-0x00000000003F2000-memory.dmp
    Filesize

    8KB

  • memory/2248-15-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/2248-5-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/2248-3-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/3012-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-135-0x0000000002920000-0x0000000002973000-memory.dmp
    Filesize

    332KB

  • memory/3012-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-150-0x0000000002920000-0x0000000002973000-memory.dmp
    Filesize

    332KB

  • memory/3012-149-0x0000000002920000-0x0000000002973000-memory.dmp
    Filesize

    332KB

  • memory/3012-110-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-102-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-100-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/3012-247-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-92-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-256-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-94-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/3012-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB