Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    11-04-2022 04:56

General

  • Target

    77fb56f60d9d5cbb230f0b2a07f89770.exe

  • Size

    345KB

  • MD5

    77fb56f60d9d5cbb230f0b2a07f89770

  • SHA1

    5aef5b479e154c68ebe04a723f37be8fc558af99

  • SHA256

    311522dc27e0de5a20712678203bd63b3012a7ddf4443a8f177b61d537ff6dbb

  • SHA512

    025e8a227b2060448c10f31f9e50d4c02341a3a7a1db4986d0a2c2fb52275536239007a3338046c6d322396a319e99e24358aeb0d2eb3ede82b6acdad4e8b85d

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\77fb56f60d9d5cbb230f0b2a07f89770.exe
    "C:\Users\Admin\AppData\Local\Temp\77fb56f60d9d5cbb230f0b2a07f89770.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1340
      2⤵
      • Program crash
      PID:2676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4136 -ip 4136
    1⤵
      PID:4732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4136-124-0x0000000000687000-0x00000000006B1000-memory.dmp

      Filesize

      168KB

    • memory/4136-125-0x0000000004D10000-0x00000000052B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4136-126-0x0000000000687000-0x00000000006B1000-memory.dmp

      Filesize

      168KB

    • memory/4136-127-0x00000000005D0000-0x0000000000607000-memory.dmp

      Filesize

      220KB

    • memory/4136-128-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4136-129-0x00000000052C0000-0x00000000058D8000-memory.dmp

      Filesize

      6.1MB

    • memory/4136-130-0x0000000004C30000-0x0000000004C42000-memory.dmp

      Filesize

      72KB

    • memory/4136-131-0x00000000058E0000-0x00000000059EA000-memory.dmp

      Filesize

      1.0MB

    • memory/4136-132-0x0000000004D04000-0x0000000004D06000-memory.dmp

      Filesize

      8KB

    • memory/4136-133-0x0000000004C90000-0x0000000004CCC000-memory.dmp

      Filesize

      240KB

    • memory/4136-134-0x0000000005DB0000-0x0000000005E26000-memory.dmp

      Filesize

      472KB

    • memory/4136-135-0x0000000005EB0000-0x0000000005F42000-memory.dmp

      Filesize

      584KB

    • memory/4136-136-0x0000000006050000-0x000000000606E000-memory.dmp

      Filesize

      120KB

    • memory/4136-137-0x00000000060E0000-0x0000000006146000-memory.dmp

      Filesize

      408KB

    • memory/4136-138-0x00000000068E0000-0x0000000006AA2000-memory.dmp

      Filesize

      1.8MB

    • memory/4136-139-0x0000000006AD0000-0x0000000006FFC000-memory.dmp

      Filesize

      5.2MB