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Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09/07/2020, 06:37

General

  • Target

    NEW_PURC.EXE

  • Size

    403KB

  • MD5

    b5b940f3a5c44f7c568f55e711bd4e22

  • SHA1

    4b81fd2ae56891dd623dd18bdb1bac1627f720da

  • SHA256

    53a076f12f6d31f5d0ddbb7a9c061dfd29516342b0102504f60341e363636eb8

  • SHA512

    ee4c712e7448c73e78880a20637feb4f39365e5b57faae981802ed5a878811e973becc6626a6ae18784d646a8049fff17498f29c0a5d971e6b524e3f2fec1e72

Score
7/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 19 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW_PURC.EXE
    "C:\Users\Admin\AppData\Local\Temp\NEW_PURC.EXE"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    PID:1304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RnFcWDUAarOZB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA7E2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1816
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      PID:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1764-4-0x0000000000400000-0x0000000000553000-memory.dmp

    Filesize

    1.3MB

  • memory/1764-6-0x0000000000400000-0x0000000000553000-memory.dmp

    Filesize

    1.3MB