Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 01:06

General

  • Target

    671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe

  • Size

    90KB

  • MD5

    9f5389662b6b8452a09fd8c67773cbe0

  • SHA1

    6ebf6abe1ad97f783e6366bddb6e1f0582f2fd69

  • SHA256

    671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbf

  • SHA512

    eb1d4dc782ce45e1a34f27562af157b2886f10e0970ec9edab14ed5240575ecefa5f6aaf9debcc19b170314a6f952c1b3d89b8aef27971c0cf7ac3bd5c43c1bd

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3T

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
    "C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
      "C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MULAV.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3032
        • 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:2480
      • 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:1916
        • 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:1784
        • 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:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a7388393dff6b79f1c50639614eaf9af

    SHA1

    38198bad7e17020e3639a39be060a8a45c2d4643

    SHA256

    79afea71624c6c1146bb7a3e32eb4ed92151faee4870141cf80dc95e6e1bc835

    SHA512

    53384196889dc52b3ac13078366fb84fe3f011fb48cd96dadf1a066e55fe7c1088eef7de79140fd579c24d826740e353b4dd49bdc72000eec89003eef8999a5e

  • memory/1784-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1784-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1916-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1916-169-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1916-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1916-180-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/1916-159-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2164-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2164-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-251-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-214-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-156-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2164-149-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-150-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-151-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2164-136-0x0000000003340000-0x0000000003393000-memory.dmp

    Filesize

    332KB

  • memory/2248-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2248-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2248-40-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2248-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2248-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2248-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2248-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2248-99-0x0000000001F20000-0x0000000001F73000-memory.dmp

    Filesize

    332KB

  • memory/2248-14-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2248-5-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2248-3-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2248-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2872-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2872-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB