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Analysis

  • max time kernel
    12s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 23:10

General

  • Target

    1f8bfdf427b6afa99a60c0d907bbd35c.exe

  • Size

    496KB

  • MD5

    1f8bfdf427b6afa99a60c0d907bbd35c

  • SHA1

    bafb13d0635320fd4335bb584e08c656cdc89085

  • SHA256

    1d60a629b0d6b3f574a7f2450146f7ce440fd5efa827af2b3ca36fbb5d7ba429

  • SHA512

    e9c37ef9a4e7a929427ba16899272dd47927539f2f703d1dc30fe149e26ba6e0071343c88e917d072a2595cb36ce28dc0a29ff1f7ca16a8c31cf4a8f44bbc7bf

  • SSDEEP

    6144:Lv0hed0DtN2JEJlOynVscJFfqRZsmCEtjpGsdjJQVJf6xx5L67:L+75VscLcZXDdjun6v5L6

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f8bfdf427b6afa99a60c0d907bbd35c.exe
    "C:\Users\Admin\AppData\Local\Temp\1f8bfdf427b6afa99a60c0d907bbd35c.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\Kqagua.exe
      C:\Windows\Kqagua.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 780
        3⤵
        • Program crash
        PID:3424
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2752 -ip 2752
    1⤵
      PID:4340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Kqagua.exe

      Filesize

      496KB

      MD5

      1f8bfdf427b6afa99a60c0d907bbd35c

      SHA1

      bafb13d0635320fd4335bb584e08c656cdc89085

      SHA256

      1d60a629b0d6b3f574a7f2450146f7ce440fd5efa827af2b3ca36fbb5d7ba429

      SHA512

      e9c37ef9a4e7a929427ba16899272dd47927539f2f703d1dc30fe149e26ba6e0071343c88e917d072a2595cb36ce28dc0a29ff1f7ca16a8c31cf4a8f44bbc7bf

    • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

      Filesize

      362B

      MD5

      c28aa7eddf8594d43548747ee2457513

      SHA1

      44548882e22057be5ff1ce386844c2e0c32f76b3

      SHA256

      93dda77bd8f47262705c90f8277d657e75b76953c05e1cf5eeca36819f49fa1a

      SHA512

      e1880bc5c8f5c8697bb5bedbdb24cbcc82fbc375c044aef7759f74028f03d9a577cd262db4c77c850158341d61e29e791485d4b2121d1457efad530f39b0e460

    • memory/2752-20-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/2752-138416-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/2752-61581-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/2752-54770-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/2752-16-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4256-5-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4256-27249-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4256-32139-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4256-0-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4256-1-0x0000000000560000-0x0000000000561000-memory.dmp

      Filesize

      4KB

    • memory/4256-2-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB