Overview

overview

10

Static

static

282f1e37dd...23.exe

windows7-x64

10

282f1e37dd...23.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    168s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 18:10

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General

  • Target

    282f1e37dddd96c41f1441f26fa3f926591bf9ed6cf08ddf061a03dff5d17823.exe

  • Size

    88KB

  • MD5

    0da35354729d24d3f157caf2c047555c

  • SHA1

    5db90c94a729991b71166eb3308bc8fa978a3bf3

  • SHA256

    282f1e37dddd96c41f1441f26fa3f926591bf9ed6cf08ddf061a03dff5d17823

  • SHA512

    bcd2a0fce1c8e5039942c15672610d721947a1563474deb57cbdae2071a50b5bdeaf392aaf30623d236fd6ffb83b03a20004f7dd174c1aa2924684301d7cea84

  • SSDEEP

    1536:gWLIH+Su9iLghsK23oNV6XG4vyaXt2x0Wlxk+dr:gWLIH+m0hsK24NV6X1X00Wln

Score
10/10
evasion

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies registry class 31 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\282f1e37dddd96c41f1441f26fa3f926591bf9ed6cf08ddf061a03dff5d17823.exe
    "C:\Users\Admin\AppData\Local\Temp\282f1e37dddd96c41f1441f26fa3f926591bf9ed6cf08ddf061a03dff5d17823.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im ZhuDongFangyu.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\jia.reg"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Windows\SysWOW64\regedit.exe
        regedit /s "C:\Users\Admin\AppData\Local\Temp\jia.reg"
        3⤵
        • Modifies registry class
        • Runs .reg file with regedit
        PID:1616
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c del "c:\users\admin\appdata\roaming\microsoft\internet explorer\quick launch\google chrome.lnk"
      2⤵
        PID:1372
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c del "c:\users\admin\appdata\roaming\microsoft\internet explorer\quick launch\microsoft edge.lnk"
        2⤵
          PID:4080
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c del "c:\users\admin\appdata\roaming\microsoft\internet explorer\quick launch\google chrome.lnk"
          2⤵
            PID:1344
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c del "c:\users\admin\appdata\roaming\microsoft\internet explorer\quick launch\shows desktop.lnk"
            2⤵
              PID:4216
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c del "c:\users\admin\appdata\roaming\microsoft\internet explorer\quick launch\window switcher.lnk"
              2⤵
                PID:4292
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\282f1e37dddd96c41f1441f26fa3f926591bf9ed6cf08ddf061a03dff5d17823.exe"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4212
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1 -n 1
                  3⤵
                  • Runs ping.exe
                  PID:3816

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\jia.reg
              Filesize

              6KB

              MD5

              08af7403acc55b3f3116a77e976dabd5

              SHA1

              22836833bd04c4f3aa5b5eec02e218a210dc5105

              SHA256

              591aaa36ddf259dd29e9c040fc02779e4ac9471d88a5701a4dbfa19b030cd894

              SHA512

              4e8af17efaca7da484c5ef3ec27315b6fb294e5e81c7e5f069514bf3d616caec952437af0c20680ac48881fbe1ac098efc3b26da04db9cf88dcbe86ace7f27e4

              Download Submit

            • memory/4664-134-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

              Download

            • memory/4664-145-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

              Download