Analysis

  • max time kernel
    91s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-05-2022 15:21

General

  • Target

    3fbdf844460430371300862dca04a638.exe

  • Size

    413KB

  • MD5

    3fbdf844460430371300862dca04a638

  • SHA1

    a05576b034ccea63dd56566cb313ad596a6f2331

  • SHA256

    9566ef0986d5c2065cddb538b348874c6c460b9d13f017aca76d2fb4e5ad061b

  • SHA512

    e5fe393a66f661d362be87fffff3563dcaac417c3e5ecfabb59fbe8a75c74361168a1edba780ae59f3b525176be76dbd979dc589022930b5c56d37d7c0e36b55

Malware Config

Signatures

  • 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\3fbdf844460430371300862dca04a638.exe
    "C:\Users\Admin\AppData\Local\Temp\3fbdf844460430371300862dca04a638.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 1444
      2⤵
      • Program crash
      PID:1440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1596 -ip 1596
    1⤵
      PID:484

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1596-130-0x00000000005F2000-0x000000000061C000-memory.dmp
      Filesize

      168KB

    • memory/1596-131-0x00000000020E0000-0x0000000002117000-memory.dmp
      Filesize

      220KB

    • memory/1596-132-0x0000000000400000-0x00000000004AD000-memory.dmp
      Filesize

      692KB

    • memory/1596-133-0x0000000004B40000-0x00000000050E4000-memory.dmp
      Filesize

      5.6MB

    • memory/1596-134-0x00000000050F0000-0x0000000005708000-memory.dmp
      Filesize

      6.1MB

    • memory/1596-135-0x0000000004B10000-0x0000000004B22000-memory.dmp
      Filesize

      72KB

    • memory/1596-136-0x0000000005710000-0x000000000581A000-memory.dmp
      Filesize

      1.0MB

    • memory/1596-137-0x0000000005820000-0x000000000585C000-memory.dmp
      Filesize

      240KB

    • memory/1596-138-0x0000000006790000-0x0000000006806000-memory.dmp
      Filesize

      472KB

    • memory/1596-139-0x0000000006850000-0x00000000068E2000-memory.dmp
      Filesize

      584KB

    • memory/1596-140-0x0000000006970000-0x000000000698E000-memory.dmp
      Filesize

      120KB

    • memory/1596-141-0x0000000006B20000-0x0000000006B86000-memory.dmp
      Filesize

      408KB

    • memory/1596-142-0x00000000071A0000-0x0000000007362000-memory.dmp
      Filesize

      1.8MB

    • memory/1596-143-0x0000000007370000-0x000000000789C000-memory.dmp
      Filesize

      5.2MB

    • memory/1596-144-0x00000000005F2000-0x000000000061C000-memory.dmp
      Filesize

      168KB

    • memory/1596-145-0x0000000000400000-0x00000000004AD000-memory.dmp
      Filesize

      692KB