Overview

overview

10

Static

static

10

fa40090bd1...a2.exe

windows7_x64

9

fa40090bd1...a2.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:17

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General

  • Target

    fa40090bd1639b1d57de4b64e730f9e6dfa5a5a8a64c34cb8f58628d728c46a2.exe

  • Size

    69KB

  • MD5

    8f27d7d22f29290ec4810f2b0cdd8b8e

  • SHA1

    053cf2839756b45dbc8221cf6e2db67200002291

  • SHA256

    fa40090bd1639b1d57de4b64e730f9e6dfa5a5a8a64c34cb8f58628d728c46a2

  • SHA512

    9ed80bd9de244366d2f0e5d89e11d11e3c06c6b3a778e97cc7176fe95ef3a2da2808fbce5fb46686a24c99c79a9b21f2c5bbce72a48b2d59578b34de1ba3f3c5

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 10 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
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa40090bd1639b1d57de4b64e730f9e6dfa5a5a8a64c34cb8f58628d728c46a2.exe
    "C:\Users\Admin\AppData\Local\Temp\fa40090bd1639b1d57de4b64e730f9e6dfa5a5a8a64c34cb8f58628d728c46a2.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:576
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:6480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1568-55-0x0000000076371000-0x0000000076373000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1568-56-0x00000000163D0000-0x000000001644D000-memory.dmp

    Filesize

    500KB

    Download