Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2024 05:14

General

  • Target

    befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696N.exe

  • Size

    90KB

  • MD5

    860328963ed2e2062e15efef77da5230

  • SHA1

    ffff57582cef2b19b0509186bb8fc64e959e6cea

  • SHA256

    befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696

  • SHA512

    51fe9fcf3fbd214987439c74018aec1d2f868e5ab01725457e338882e863d89c6ef0485263c2c0e56577c5c475fd98fe1104ace963fdfbc440778789f567b33b

  • 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.

  • 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 22 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\befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696N.exe
    "C:\Users\Admin\AppData\Local\Temp\befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696N.exe
      "C:\Users\Admin\AppData\Local\Temp\befcc91c6f3df62fbdc5a8ad308d4077e313608bb3342deb27b536dcb65e5696N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\UMBVR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1756
        • 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:2036
      • 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:2032
        • 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:828
        • 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:1828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    f5c2931455f71ce6201caec41f18be5e

    SHA1

    69c0f1ca018e764d4f90066d27710557e07f57f7

    SHA256

    f9a1472613e2b3333bc4c185e1083cb2d14d704ff683ffc54fad23b3aaf345de

    SHA512

    dc3f9d637e605e4215e50f04dd78d430128033f8385b61b028d965d5e4d2f36771b9e0450c776af629ed54a3f8186f79b7568d8770d3c63e9f60a0d1776171a6

  • memory/828-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/828-239-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1828-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1828-246-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2032-248-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-163-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2032-209-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-174-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2032-153-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2096-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2096-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2096-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2096-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2096-19-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2096-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2096-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2096-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2096-41-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2096-29-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2096-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2096-71-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2096-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2096-96-0x0000000002790000-0x00000000027E3000-memory.dmp

    Filesize

    332KB

  • memory/2280-146-0x0000000002740000-0x0000000002793000-memory.dmp

    Filesize

    332KB

  • memory/2280-150-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-145-0x0000000002740000-0x0000000002793000-memory.dmp

    Filesize

    332KB

  • memory/2280-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-201-0x0000000002740000-0x0000000002793000-memory.dmp

    Filesize

    332KB

  • memory/2280-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2280-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2280-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB