Overview

overview

8

Static

static

stage4.bin.exe

windows7_x64

8

stage4.bin.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    21/01/2022, 07:11

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General

  • Target
    stage4.bin.exe
  • Size 24KB
  • Sample220121-hzyceaeafj
  • SHA256 191ca4833351e2e82cb080a42c4848cfbc4b1f3e97250f2700eff4e97cf72019
  • MD5 SHA1 SHA512
Score
8/10
persistencespywarestealer

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
    persistence
  • Drops startup file 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 desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stage4.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\stage4.bin.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /min /C ping 111.111.111.111 -n 5 -w 10 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\stage4.bin.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Windows\SysWOW64\PING.EXE
        ping 111.111.111.111 -n 5 -w 10
        3⤵
        • Runs ping.exe
        PID:2620
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe d3bfce04ec1ebdf7f5890c537a35ddd9 vrHao+3JkEqkFtPc7fXQZQ.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:3764
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
    1⤵
      PID:3060
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k wusvcs -p
      1⤵
        PID:2300

      Network

            MITRE ATT&CK Enterprise v6

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