Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 16:36

General

  • Target

    b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe

  • Size

    90KB

  • MD5

    845b73f97078eddbdc8e3a73d0def301

  • SHA1

    003de6eb521f005c59323de33372ae0f695f8ca2

  • SHA256

    b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6

  • SHA512

    96ebebfd8d6dba585174b87994f5ab042cdb5d00a61a1f3f2b9f4f112fde3b079253c7be90bb69639c0e08962bfe972c5d3998c8a76923b164cd66de65efc241

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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 24 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\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe
    "C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe
      "C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HGUBK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:328
        • 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:2792
      • 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:2292
        • 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:372
        • 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:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e2487e270f952e558bab670725540872

    SHA1

    fa00a1e7201d45d11866fd8926989472d4000dd3

    SHA256

    93fdfcb36e6774336e29509fc2155c10a07b06b807815f9538b0d3ac2b1075c6

    SHA512

    61357d3a17292909d4214a14ac321fdaa310ab173ae2b04e6de2b2886a9cda8b2788c573366f97952f93873d288d8d60bc56ba1bd7cd036d8f0dad37a9511a61

  • memory/372-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1712-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1712-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-170-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2292-181-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2292-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2684-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-61-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2684-87-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2684-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2684-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2684-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2684-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2684-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2684-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2684-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2684-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2860-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-149-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2860-148-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2860-152-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2860-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-157-0x00000000030C0000-0x0000000003113000-memory.dmp

    Filesize

    332KB

  • memory/2860-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-215-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2860-137-0x00000000030C0000-0x0000000003113000-memory.dmp

    Filesize

    332KB

  • memory/2860-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2860-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB