Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    11-04-2022 01:11

General

  • Target

    fb3bb3c7636b5bc6f99d48693525d03b.exe

  • Size

    344KB

  • MD5

    fb3bb3c7636b5bc6f99d48693525d03b

  • SHA1

    5c8cb66ee20bf86b5685750a30f9471618b5bd46

  • SHA256

    0b8ed3fcb45246fc69664a337d1d27ab726041913ea62b8bb39d8514a0ce21f1

  • SHA512

    a7d801bdf05ec6cb154bf3aa16c96ad204cfab072e1db1a09202e2fc0683124855412afc9de492018972b3b6b60db5239a91fcc804acabac7035d72b9506e506

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\fb3bb3c7636b5bc6f99d48693525d03b.exe
    "C:\Users\Admin\AppData\Local\Temp\fb3bb3c7636b5bc6f99d48693525d03b.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1320
      2⤵
      • Program crash
      PID:5012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4220 -ip 4220
    1⤵
      PID:816

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4220-124-0x00000000006A7000-0x00000000006D1000-memory.dmp

      Filesize

      168KB

    • memory/4220-125-0x0000000004C20000-0x00000000051C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4220-126-0x00000000006A7000-0x00000000006D1000-memory.dmp

      Filesize

      168KB

    • memory/4220-127-0x00000000005D0000-0x0000000000607000-memory.dmp

      Filesize

      220KB

    • memory/4220-128-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4220-129-0x00000000051D0000-0x00000000057E8000-memory.dmp

      Filesize

      6.1MB

    • memory/4220-130-0x0000000005810000-0x0000000005822000-memory.dmp

      Filesize

      72KB

    • memory/4220-131-0x0000000005830000-0x000000000593A000-memory.dmp

      Filesize

      1.0MB

    • memory/4220-132-0x0000000005980000-0x00000000059BC000-memory.dmp

      Filesize

      240KB

    • memory/4220-133-0x0000000004C14000-0x0000000004C16000-memory.dmp

      Filesize

      8KB

    • memory/4220-134-0x0000000005C60000-0x0000000005CD6000-memory.dmp

      Filesize

      472KB

    • memory/4220-135-0x0000000005CE0000-0x0000000005D72000-memory.dmp

      Filesize

      584KB

    • memory/4220-136-0x0000000005E00000-0x0000000005E1E000-memory.dmp

      Filesize

      120KB

    • memory/4220-137-0x0000000005FA0000-0x0000000006006000-memory.dmp

      Filesize

      408KB

    • memory/4220-138-0x00000000074E0000-0x00000000076A2000-memory.dmp

      Filesize

      1.8MB

    • memory/4220-139-0x00000000076B0000-0x0000000007BDC000-memory.dmp

      Filesize

      5.2MB