Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 07:47

General

  • Target

    b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe

  • Size

    90KB

  • MD5

    5de31887c9f7bca056d4d09158e8e690

  • SHA1

    ca5aa48cbdddd776e3b2bd7aa5665b8ce47e26fb

  • SHA256

    b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0

  • SHA512

    6d134781d60889eae4001a7a4ee7583d6dd1503d6033ab6685de55753492c3a7a26df761e502b333f15d4b59b50e9349f94f25c79db74d6b9efa48007398d3a2

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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 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\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe
      "C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MOJHK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2852
        • 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:1428
      • 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:2524
        • 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:1748
        • 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:1900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4e1d3090ffd3cb20ceb952aea5285b79

    SHA1

    d69e8f79fde3fa92fe99a905041ef5a7ca835642

    SHA256

    2b525728f406a8b4883a9d4b13bf458b67d0a7ed066a15504ff7ce2086bcce32

    SHA512

    68a93d9cab159dd948c513bf8c1575c0ae929880630240d4d32b2f55b5b729fd53491b5777d7e43fd622838705f8f8428428a243fc759fc2d20ade205bf4f7fe

  • memory/1748-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1900-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2400-35-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/2400-30-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/2400-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2400-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2400-60-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2400-108-0x0000000002690000-0x00000000026E3000-memory.dmp

    Filesize

    332KB

  • memory/2400-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2400-40-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2400-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-39-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2400-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2400-34-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/2400-33-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/2400-32-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/2400-27-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2400-29-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/2524-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-212-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2612-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-144-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2612-149-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-253-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2612-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB