Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 06:54

General

  • Target

    119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe

  • Size

    4.0MB

  • MD5

    2c90b9bd2f5103e4df4d5232ddf4fd33

  • SHA1

    3eb10051b0159a5a0d44432e2fe2abf33eb1c931

  • SHA256

    119e5bf72d68c4881a5dfb0a40c85c32adb85cc7f09071c92fdf03b736d66165

  • SHA512

    dad76f2c6b57840a34cb55f20eec964114b5718f20deeeab0d0f7a70f7a413b46d9ead6bbdbcb92f9751e69ff858897ea98d822ec972bcd1a7adaaed5a12e002

Malware Config

Signatures

  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
    "C:\Users\Admin\AppData\Local\Temp\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:524

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/524-56-0x0000000000000000-mapping.dmp
    • memory/884-55-0x0000000000000000-mapping.dmp
    • memory/1952-54-0x0000000001350000-0x0000000002119000-memory.dmp
      Filesize

      13.8MB

    • memory/1952-57-0x0000000001350000-0x0000000002119000-memory.dmp
      Filesize

      13.8MB