Analysis

  • max time kernel
    148s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 08:52

General

  • Target

    fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e.exe

  • Size

    90KB

  • MD5

    7d4355f7ff1bc501cb8943610d71bc0e

  • SHA1

    676445a3e07a15c7bd3f4746e4fdd8d2c52bcc5c

  • SHA256

    fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e

  • SHA512

    496ef36388f56097559caad71c1613f7cad808f903dd37f4a49733f1325f6daee10384931c711ba7bcc4c1bafd397d0e376166cc97faca97a8104d69eefecdf9

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDe:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3I

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 26 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\fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e.exe
    "C:\Users\Admin\AppData\Local\Temp\fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e.exe
      "C:\Users\Admin\AppData\Local\Temp\fc7c7d42db2a4ad45c0ce67bdab50129b89211f31ec6b311592283e400259f3e.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FJXGG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1488
        • 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:2740
      • 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:2012
        • 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:2268
        • 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:1364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    b723d21d52dc7c8c67c7b4ac48cb9736

    SHA1

    b7bb3d88e938801cf1211cdc4f543c2a613b9d07

    SHA256

    b4cea85603d0415572a38929d73c31e592e017d209f1de20f226bb8fdcf18680

    SHA512

    e1762a3c7c2eb9688314162a40422eb2862f8542129133c8eb47cd3ec640e2f6b6243f9168b18af7052bfc7fe64a5448c5f922eaf89423d3adf324839e1bd430

  • memory/1364-267-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1364-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1960-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-15-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1960-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/1960-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1960-61-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1960-41-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/1960-29-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/1960-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1960-110-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1960-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1960-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1960-104-0x0000000001E30000-0x0000000001E83000-memory.dmp

    Filesize

    332KB

  • memory/1960-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2012-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2012-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2012-171-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2012-161-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2012-182-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2268-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-154-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-153-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-151-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-216-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-152-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-248-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-158-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2948-249-0x0000000003120000-0x0000000003173000-memory.dmp

    Filesize

    332KB

  • memory/2948-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2948-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB