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Analysis

  • max time kernel
    147s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2024, 10:48

General

  • Target

    437c490013741910e7a5b4445279416c.exe

  • Size

    757KB

  • MD5

    437c490013741910e7a5b4445279416c

  • SHA1

    f8477cb2836411d1add6fc7ce55fed1d61624310

  • SHA256

    5ab9966ab866322419e23ca16e5896f09c11d5fc015b5df584868ae38c1409bd

  • SHA512

    741774e50624ce655bec9e4e162954e23dd50cdc042652e6877a86295ed70badba960d375039b14fa6de4e6e217bf2fcb421461eacb28ea8003f5e2940c7eb2e

  • SSDEEP

    12288:njXipx70Np/Z9xwy/bAHmdtYpkzz84cNZcu0uAimaLV+qvTOHsGiE:jX1/PWy/bAHmdWpCYNGu0emaZXqHsGi

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\437c490013741910e7a5b4445279416c.exe
    "C:\Users\Admin\AppData\Local\Temp\437c490013741910e7a5b4445279416c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\ProgramData\srtserv\437c490013741910e7a5b4445279416c.exe
      C:\ProgramData\srtserv\437c490013741910e7a5b4445279416c.exe -wait
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2672
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\437c490013741910e7a5b4445279416c
      2⤵
        PID:2372
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\srtserv\437c490013741910e7a5b4445279416c.exe

      Filesize

      375KB

      MD5

      385cd9ae9574aaa10f37b5d515fcdd6c

      SHA1

      f0a5f89fecc5b8f233d60099b37d6b2770e3b23a

      SHA256

      8ce73b8225ab4ca21998cb1fb9d5b8fd26ce221b1dafc5e340febd7aaa630047

      SHA512

      accc7566b571e74d78876e87eb413926afe1cff091230b579d1ed20548c0120b0288359795f3d0d20bc543c4e9447a849e69b2e4599399b9c4a7888a55690784

    • \ProgramData\srtserv\437c490013741910e7a5b4445279416c.exe

      Filesize

      757KB

      MD5

      437c490013741910e7a5b4445279416c

      SHA1

      f8477cb2836411d1add6fc7ce55fed1d61624310

      SHA256

      5ab9966ab866322419e23ca16e5896f09c11d5fc015b5df584868ae38c1409bd

      SHA512

      741774e50624ce655bec9e4e162954e23dd50cdc042652e6877a86295ed70badba960d375039b14fa6de4e6e217bf2fcb421461eacb28ea8003f5e2940c7eb2e

    • \ProgramData\srtserv\sdata.dll

      Filesize

      23KB

      MD5

      4a68bdeb219f697115c035d5f7000ee4

      SHA1

      9b3e7baaceb706b5d4f3c682806a7e27603b32f2

      SHA256

      c505c9c35bc24243aabea8e349145c9dbff2da2ca6567fe2f750d887cc3cc27d

      SHA512

      b9305d262d08171df9b7c8f937c328953ce84b621cdf37ffc74b27d84f1bf364460dc6d4da40dbb94317980699fca8b7b8a9a58a409db74baba81546b0253a34

    • memory/2364-1-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2364-12-0x0000000002D90000-0x0000000002E88000-memory.dmp

      Filesize

      992KB

    • memory/2364-13-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2364-0-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2364-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB

    • memory/2672-23-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2672-17-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2672-16-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2672-21-0x0000000001DB0000-0x0000000001DC1000-memory.dmp

      Filesize

      68KB

    • memory/2672-22-0x00000000773FF000-0x0000000077400000-memory.dmp

      Filesize

      4KB

    • memory/2672-27-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2672-26-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2672-28-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/2688-14-0x0000000003800000-0x0000000003801000-memory.dmp

      Filesize

      4KB

    • memory/2688-15-0x0000000003D10000-0x0000000003D20000-memory.dmp

      Filesize

      64KB

    • memory/2688-25-0x0000000003800000-0x0000000003801000-memory.dmp

      Filesize

      4KB