Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 07:30

General

  • Target

    c80d747d792f6a52d3fac3b6f9c829ef.exe

  • Size

    98KB

  • MD5

    c80d747d792f6a52d3fac3b6f9c829ef

  • SHA1

    ef4dd0b539b704ed7a3d43eb5fd58b8ac25646ba

  • SHA256

    243fa45cc6d163d24e52c777921b923bc9a5f0a732fb159896418e46c381ab19

  • SHA512

    7706f1ea8a05813be3faf343a8435d3d1521fb9a47d025533e0973addb807547b6bccb4cbeebf6c9c9d1082bd62757f41e46d721a302df66008240ffa228b365

  • SSDEEP

    3072:bFlBBhhbIXzakFDhbZ2Gkk8jwaaHw7Koj4rDc/9uK:fhhbwvDjlMM

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c80d747d792f6a52d3fac3b6f9c829ef.exe
    "C:\Users\Admin\AppData\Local\Temp\c80d747d792f6a52d3fac3b6f9c829ef.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1684
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Checks BIOS information in registry
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Users\Admin\AppData\Local\Temp\llvfwkpnioemxhan.exe
      "C:\Users\Admin\AppData\Local\Temp\llvfwkpnioemxhan.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\lajxkfeq\tgwyshhu.exe

          Filesize

          98KB

          MD5

          c80d747d792f6a52d3fac3b6f9c829ef

          SHA1

          ef4dd0b539b704ed7a3d43eb5fd58b8ac25646ba

          SHA256

          243fa45cc6d163d24e52c777921b923bc9a5f0a732fb159896418e46c381ab19

          SHA512

          7706f1ea8a05813be3faf343a8435d3d1521fb9a47d025533e0973addb807547b6bccb4cbeebf6c9c9d1082bd62757f41e46d721a302df66008240ffa228b365

        • memory/1684-15-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1684-24-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1684-9-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1684-23-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1684-11-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/1684-22-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1684-19-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/1684-20-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/1684-21-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/2428-78-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/2428-77-0x0000000000400000-0x000000000043A070-memory.dmp

          Filesize

          232KB

        • memory/2428-80-0x0000000000400000-0x000000000043A070-memory.dmp

          Filesize

          232KB

        • memory/2644-88-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-96-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-100-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-28-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-34-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-99-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-43-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-44-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-50-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-98-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-97-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-87-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-95-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-94-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-93-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-92-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-91-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-90-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-81-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-82-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-84-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2644-86-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2952-51-0x0000000077B10000-0x0000000077B11000-memory.dmp

          Filesize

          4KB

        • memory/2952-4-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/2952-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

          Filesize

          4KB

        • memory/2952-2-0x00000000002B0000-0x00000000002B1000-memory.dmp

          Filesize

          4KB

        • memory/2952-0-0x0000000000400000-0x000000000043A070-memory.dmp

          Filesize

          232KB

        • memory/2952-72-0x0000000002980000-0x00000000029BB000-memory.dmp

          Filesize

          236KB

        • memory/2952-71-0x0000000002980000-0x00000000029BB000-memory.dmp

          Filesize

          236KB

        • memory/2952-70-0x0000000000400000-0x000000000043A070-memory.dmp

          Filesize

          232KB

        • memory/2952-69-0x0000000077B0F000-0x0000000077B10000-memory.dmp

          Filesize

          4KB

        • memory/2952-60-0x0000000002980000-0x00000000029BB000-memory.dmp

          Filesize

          236KB

        • memory/2952-8-0x0000000000400000-0x000000000043A070-memory.dmp

          Filesize

          232KB

        • memory/2952-5-0x0000000077B0F000-0x0000000077B10000-memory.dmp

          Filesize

          4KB

        • memory/2952-7-0x0000000077B10000-0x0000000077B11000-memory.dmp

          Filesize

          4KB