Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 09:36

General

  • Target

    f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7.exe

  • Size

    90KB

  • MD5

    89b8aa643fc3e0d800e0fa861a90969a

  • SHA1

    73388893cd68e0e0ce35cbe47e75a9f1429b9c81

  • SHA256

    f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7

  • SHA512

    7df6b17c93f456619cd581387e8ec22808ba09911268fd4aa7997a5d6771ec9d04bbdc8ed5f103f68aa108ff1c15af05848ff63c57654674b99bf8586c765ada

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3e

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 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\f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7.exe
    "C:\Users\Admin\AppData\Local\Temp\f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7.exe
      "C:\Users\Admin\AppData\Local\Temp\f54abe9fb883b0d5aed19d3ba238e93099d07114ff367434f304372d1122d0a7.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\YMNJH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2600
        • 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:2028
      • 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:2300
        • 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:2484
        • 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:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a7f508c4caeeffdc0eed1d6a7c7f3eb3

    SHA1

    b27c952c6b9d624e5838a628cdac5b9ca3c74da1

    SHA256

    ab2bb883690e56da39e841718cbeab1479ca91677a3334ad6734226b8a771c29

    SHA512

    cf2d68c751f1ced43ec8fca56c997d868178c5ef6b896e5ab89a129aca326bcfaf1e08c11cbe1c853fa15f4b19c26d81cf2b8a556a3a52473015b303c4e6c9a2

  • memory/1328-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1328-250-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1732-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/1732-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1732-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1732-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1732-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1732-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1732-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1732-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2300-177-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2300-150-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-252-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-166-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2300-222-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2300-156-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2484-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-217-0x00000000026D0000-0x0000000002723000-memory.dmp

    Filesize

    332KB

  • memory/2616-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-148-0x00000000026D0000-0x0000000002723000-memory.dmp

    Filesize

    332KB

  • memory/2616-147-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2616-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-146-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2616-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-249-0x00000000026D0000-0x0000000002723000-memory.dmp

    Filesize

    332KB

  • memory/2616-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-243-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2616-242-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2616-241-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2616-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB