Overview

overview

10

Static

static

7

5bfd78bced...1a.exe

windows7-x64

10

5bfd78bced...1a.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2024, 03:16

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General

  • Target

    5bfd78bced71dbab1a14d6b2c4282e1a.exe

  • Size

    208KB

  • MD5

    5bfd78bced71dbab1a14d6b2c4282e1a

  • SHA1

    6c42e977cbfcbc19e157b77d36e6eacb7846cc86

  • SHA256

    056da63b22afcd3adff79b4da85d0a672bb0bd9a6674c37b77f991e20bf0fb4a

  • SHA512

    77ab53248a39b5a9cfb38de9d40be5b8da65ee54f55c8df17baccc582c4288db09063e1548084ff391194d7be3f00b93bd224d3c69332f7e5ee20c238899509e

  • SSDEEP

    6144:TqchxygjVJbRE6g6fM2W/RrbwgS1o2x2XJoS:mqIgj3bRGSgyxUoS

Score
10/10
persistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Drops file in Windows directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bfd78bced71dbab1a14d6b2c4282e1a.exe
    "C:\Users\Admin\AppData\Local\Temp\5bfd78bced71dbab1a14d6b2c4282e1a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\explоrer.exe
      "C:\Windows\explоrer.exe" C:\Users\Admin\AppData\Local\Temp\5bfd78bced71dbab1a14d6b2c4282e1a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\SysWOW64\ctfmon.exe
          ctfmon.exe
          4⤵
          • Suspicious use of FindShellTrayWindow
          PID:1948
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1780

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YV6H14B0\ib2[1].htm
          Filesize

          162B

          MD5

          4f8e702cc244ec5d4de32740c0ecbd97

          SHA1

          3adb1f02d5b6054de0046e367c1d687b6cdf7aff

          SHA256

          9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

          SHA512

          21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

          Download Submit

        • C:\Windows\explоrer.exe
          Filesize

          208KB

          MD5

          5bfd78bced71dbab1a14d6b2c4282e1a

          SHA1

          6c42e977cbfcbc19e157b77d36e6eacb7846cc86

          SHA256

          056da63b22afcd3adff79b4da85d0a672bb0bd9a6674c37b77f991e20bf0fb4a

          SHA512

          77ab53248a39b5a9cfb38de9d40be5b8da65ee54f55c8df17baccc582c4288db09063e1548084ff391194d7be3f00b93bd224d3c69332f7e5ee20c238899509e

          Download Submit

        • memory/1396-0-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

          Download

        • memory/1396-1-0x0000000000220000-0x0000000000234000-memory.dmp

          Filesize

          80KB

          Download

        • memory/1396-2-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

          Download

        • memory/1396-3-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

          Download

        • memory/2760-14-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

          Download

        • memory/2760-21-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

          Download