Analysis

  • max time kernel
    43s
  • 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 07:07

General

  • Target

    A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe

  • Size

    4.0MB

  • MD5

    657879c2babd84a404ce7429cc867ce1

  • SHA1

    0e22e3303cf80847335257647467149cafd84f72

  • SHA256

    a7a0af99f5b4ed92f74abdd2b8faffd270a821dce3ab8ec164d6d17dd46d2be0

  • SHA512

    e5bd207e533440a23dec2351cd24a4bcc52325cf9b101c15cec7f2d935450b740097640cdb0fc5191e10b40d4f6437a8b5e0e87361bc5c22eb19f4eae76fd8f0

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\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
    "C:\Users\Admin\AppData\Local\Temp\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:752
    • 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\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1000

    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/752-54-0x0000000000CD0000-0x0000000001A98000-memory.dmp
      Filesize

      13.8MB

    • memory/752-57-0x0000000000CD0000-0x0000000001A98000-memory.dmp
      Filesize

      13.8MB

    • memory/1000-56-0x0000000000000000-mapping.dmp
    • memory/1124-55-0x0000000000000000-mapping.dmp