Analysis

  • max time kernel
    120s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 11:15

General

  • Target

    534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105N.exe

  • Size

    90KB

  • MD5

    737f485529ed458cd2be8885bb6b6980

  • SHA1

    5d470f2dd98e15d155e7cc7423c01826588f038b

  • SHA256

    534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105

  • SHA512

    e44b1cdf835fb8d089e834a4fc98f1fb9ed3c0913d01c6bff4b28e105809605b204bf4539d39cd9b0887fd5b022c1a2c4b42d23a2c9031b8dfc13a34e2966d3b

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDz:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3F

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 28 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 63 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105N.exe
    "C:\Users\Admin\AppData\Local\Temp\534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105N.exe
      "C:\Users\Admin\AppData\Local\Temp\534cd1e2e400c970aeb7d5fa2e9256afe05b0c45d49e1d9635699f7c70b28105N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WMNKS.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2420
        • 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:2416
      • 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:2240
        • 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:1604
        • 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:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d8d959f99259b79505f4f275e748cd8c

    SHA1

    7f8abf191a12a97c340f82441d3fa7f3a91fd1bb

    SHA256

    6a3aae4aa980b2030e6be76f116c1f86d80d28fd25de8cb46c68918a46b420df

    SHA512

    986f841c1a2709949eb28a35e86e3c27cea6c20a147f16e1e0ef744a9bded32f40fff2ef6d4425332379cf782d68d230af2d88c89d388a3d94b2c9e593d5e820

  • memory/1604-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-161-0x0000000002450000-0x00000000024A3000-memory.dmp

    Filesize

    332KB

  • memory/1732-157-0x0000000002440000-0x0000000002493000-memory.dmp

    Filesize

    332KB

  • memory/1732-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1732-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-160-0x0000000002450000-0x00000000024A3000-memory.dmp

    Filesize

    332KB

  • memory/1732-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-150-0x0000000002440000-0x0000000002493000-memory.dmp

    Filesize

    332KB

  • memory/1732-151-0x0000000002450000-0x00000000024A3000-memory.dmp

    Filesize

    332KB

  • memory/1732-159-0x0000000002450000-0x00000000024A3000-memory.dmp

    Filesize

    332KB

  • memory/1732-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1732-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2004-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2004-30-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2004-49-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-63-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2004-73-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2004-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-83-0x00000000003D0000-0x00000000003D2000-memory.dmp

    Filesize

    8KB

  • memory/2004-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-42-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2004-17-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2004-20-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2004-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2240-230-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2240-187-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2240-176-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2240-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2240-166-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2240-163-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2676-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2676-269-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB