Analysis

  • max time kernel
    120s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 01:28

General

  • Target

    40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456fN.exe

  • Size

    90KB

  • MD5

    ff8fe37b6ad4d5d828c4d429fa6fb0f0

  • SHA1

    7b17209f68e28521cde449e1a7a1e9808013c006

  • SHA256

    40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456f

  • SHA512

    fa3720feb987fd8992f61bc378b5e726e800798c7841ac41225a588ee9454a833bffc3cc671acae2027bda914688e5922f6b771044dc701f931ee0593f8620ef

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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 25 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\40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456fN.exe
    "C:\Users\Admin\AppData\Local\Temp\40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456fN.exe
      "C:\Users\Admin\AppData\Local\Temp\40621cc8d9668da48dd7661bcc4ccf9094bd969e6fd60faa88ee788a2b87456fN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\VWJPW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1752
        • 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:2944
      • 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:1564
        • 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:1508
        • 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:1536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a58979b542e0a8f813f3785b60b3abd9

    SHA1

    e893809fea66326b24372ac10706fc7a1c3d460a

    SHA256

    3e0ffc012b70863786137809b21aafc997b5c945ad11533214f6344918a7a2fc

    SHA512

    d81991df739e31bcde2d629bc434e2103ba6f96792bcede7842962fa97d65742f879be9fbd7b0d9d30da302771f9a116d70ccd72a73841b2b3ce704b65600c35

  • memory/1324-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-160-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1324-151-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1324-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-149-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1324-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-148-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1324-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1324-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1324-150-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1324-159-0x0000000002B90000-0x0000000002BE3000-memory.dmp

    Filesize

    332KB

  • memory/1508-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1536-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1536-268-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1564-162-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1564-165-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1564-175-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1564-186-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1564-220-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1564-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1564-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1668-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1668-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1668-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-31-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1668-43-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1668-63-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1668-73-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1668-81-0x00000000003D0000-0x00000000003D2000-memory.dmp

    Filesize

    8KB

  • memory/1668-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1668-17-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB