Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 06:01

General

  • Target

    fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27eN.exe

  • Size

    90KB

  • MD5

    f95ffc19491c4a4b985ac52f617cea90

  • SHA1

    e11f13e570d69a6e2ac057d16c16a96a54b9585c

  • SHA256

    fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27e

  • SHA512

    44dfbf33cb78ad3b454aa1fea0dc60e1771a4c86c59530f2c8c70b1f82843f21059f2021695b72cfb88f934e6d6ac3297b76eeed268ca713ada79fbf84f7cff3

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d

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 23 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\fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27eN.exe
    "C:\Users\Admin\AppData\Local\Temp\fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27eN.exe
      "C:\Users\Admin\AppData\Local\Temp\fd64b264b022a2df21c3ba371c757b6dab1d3b875cb908a80524cf7d0fcdd27eN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\UBCHA.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:884
        • 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:684
      • 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:988
        • 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:1232
        • 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:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e1ce1d8e93e5f8320943a584aafcb8fc

    SHA1

    bc09b29825dad53320a2fa005a9529e1e0704f36

    SHA256

    81b49c073f9ed7c06b7c92abfc92e24ba542f31719015225529c9b4daa5409dc

    SHA512

    82c25c464c99423ed7de79bb0689218544aa76a8b83cefeb90ea6adf49d6207208087ba1e590c71260503234799126d76f2304c23d0fe5d4209f0eb1a9424b01

  • memory/988-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/988-170-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/988-181-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/988-220-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/988-160-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1232-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1524-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1524-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2112-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2112-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2112-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2112-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2112-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2112-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2112-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2112-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2112-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2112-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2112-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2736-149-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-216-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-148-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-147-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-151-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-157-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-219-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-150-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-213-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-255-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2736-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB