Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 01:38

General

  • Target

    3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe

  • Size

    4.0MB

  • MD5

    fbe707e0d02177e3278c71ed6aa02b25

  • SHA1

    541a67d3fba6e2bf39de4de722d4623f1ad613df

  • SHA256

    3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7

  • SHA512

    b0575d4d3eab0db7e7acafab36938bcb8ef4ca2da0d0a9358343ec95119b95daba2a7840b3cd70492bc2eab040031ee4e329af0b4b617dd632f8f92a3f5e8aae

  • SSDEEP

    98304:607C602mDXspDiixYZeoJ0qtFoKCc+29OSo+la5:x+D8sdpjCcKr+E

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.

  • Deletes itself 1 IoCs
  • 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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe
    "C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:532
    • 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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1700

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/532-54-0x0000000000280000-0x0000000001058000-memory.dmp

      Filesize

      13.8MB

    • memory/532-57-0x0000000000280000-0x0000000001058000-memory.dmp

      Filesize

      13.8MB

    • memory/1700-56-0x0000000000000000-mapping.dmp

    • memory/1724-55-0x0000000000000000-mapping.dmp