Overview

overview

10

Static

static

e9662b4681...le.exe

windows7_x64

10

e9662b4681...le.exe

windows10_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 12:59

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General

  • Target

    e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.sample.exe

  • Size

    504KB

  • MD5

    e9454a2ff16897e177d8a11083850ec7

  • SHA1

    6b6855931e69d27f5f2e2d828fbeb4db91688996

  • SHA256

    e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead

  • SHA512

    9bd01ed32887cecefe3987991f3ae3a0375c1cb1bff8b49f795b000076c26a1bb938476e4383b60a3f1ac5de79f7cd3cf2520ef695908815c0fee55a17dcb021

Score
10/10
mespinozaransomwarespywarestealer

Malware Config

Signatures

  • Mespinoza Ransomware 2 TTPs

    Also known as Pysa. Ransomware-as-a-servoce which first appeared in 2020.

    ransomwaremespinoza
  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\e9662b468135f758a9487a1be50159ef57f3050b753de2915763b4ed78839ead.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:672
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\update.bat" "
      2⤵
      • Deletes itself
      PID:1840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/672-59-0x0000000075551000-0x0000000075553000-memory.dmp

    Filesize

    8KB

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