Analysis

  • max time kernel
    91s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-04-2022 05:41

General

  • Target

    8f3120dda00cf636fc9b3c0e943ff8ef.exe

  • Size

    367KB

  • MD5

    8f3120dda00cf636fc9b3c0e943ff8ef

  • SHA1

    77f04c4021e94104e756d9345f56032f338414d1

  • SHA256

    31d2646ce062a95e9aecd01bab72221fec3947aa79b82a95840ff09cf676da4c

  • SHA512

    8732d4d5d6d77225d9a03d63c70531f0ddadc0bcce293643cba7e10058d8a45b908635fbaa78edcfef4f539aab57335e54d1e897d65aaa6e43c4c8aa569ff730

Malware Config

Signatures

  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f3120dda00cf636fc9b3c0e943ff8ef.exe
    "C:\Users\Admin\AppData\Local\Temp\8f3120dda00cf636fc9b3c0e943ff8ef.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 1332
      2⤵
      • Program crash
      PID:3312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4288 -ip 4288
    1⤵
      PID:2816

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4288-130-0x0000000000687000-0x00000000006B1000-memory.dmp

      Filesize

      168KB

    • memory/4288-131-0x0000000000687000-0x00000000006B1000-memory.dmp

      Filesize

      168KB

    • memory/4288-132-0x00000000005E0000-0x0000000000617000-memory.dmp

      Filesize

      220KB

    • memory/4288-133-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/4288-134-0x0000000004CD0000-0x0000000005274000-memory.dmp

      Filesize

      5.6MB

    • memory/4288-135-0x0000000005280000-0x0000000005898000-memory.dmp

      Filesize

      6.1MB

    • memory/4288-136-0x0000000002900000-0x0000000002912000-memory.dmp

      Filesize

      72KB

    • memory/4288-137-0x00000000058A0000-0x00000000059AA000-memory.dmp

      Filesize

      1.0MB

    • memory/4288-138-0x0000000002554000-0x0000000002556000-memory.dmp

      Filesize

      8KB

    • memory/4288-139-0x00000000059B0000-0x00000000059EC000-memory.dmp

      Filesize

      240KB

    • memory/4288-140-0x0000000005C70000-0x0000000005CE6000-memory.dmp

      Filesize

      472KB

    • memory/4288-141-0x0000000005D80000-0x0000000005E12000-memory.dmp

      Filesize

      584KB

    • memory/4288-142-0x0000000005F20000-0x0000000005F3E000-memory.dmp

      Filesize

      120KB

    • memory/4288-143-0x0000000006010000-0x0000000006076000-memory.dmp

      Filesize

      408KB

    • memory/4288-144-0x00000000073D0000-0x0000000007592000-memory.dmp

      Filesize

      1.8MB

    • memory/4288-145-0x00000000075A0000-0x0000000007ACC000-memory.dmp

      Filesize

      5.2MB