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Overview

overview

10

Static

static

10

f602319a51...in.exe

windows7_x64

10

f602319a51...in.exe

windows10_x64

10

Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/12/2021, 11:14

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General

  • Target

    f602319a51dfad374687a6d18f87c9f8e7b9cab956a4993c2ed83e7adad6e2db.bin.exe

  • Size

    628KB

  • MD5

    68d717aaa4ca93f1799f5e602553b7e9

  • SHA1

    3ce06540d62a722513145bbd346cdb223ddb17c7

  • SHA256

    f602319a51dfad374687a6d18f87c9f8e7b9cab956a4993c2ed83e7adad6e2db

  • SHA512

    e37f2dd5f8110ce6928be726016427216e978fbc2beebdbae2c6f1d1e4454901e260cac4e335358d6c1d44a7abf42bf2f6edaf87264665fed778f03a515a9f26

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 12 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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 3 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\f602319a51dfad374687a6d18f87c9f8e7b9cab956a4993c2ed83e7adad6e2db.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\f602319a51dfad374687a6d18f87c9f8e7b9cab956a4993c2ed83e7adad6e2db.bin.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:3596
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\update.bat" "
      2⤵
        PID:3184

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads