Analysis

  • max time kernel
    68s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2022 20:27

General

  • Target

    9bf97d34d8dad642255381440c4331ee412be29d6ac7571e601ed36fc67cd43b.exe

  • Size

    341KB

  • MD5

    e054878cfc0b894fc143dd29fe25850d

  • SHA1

    d92379413c28cced4c2933193409a227e1b3692f

  • SHA256

    9bf97d34d8dad642255381440c4331ee412be29d6ac7571e601ed36fc67cd43b

  • SHA512

    f3a5550fa1b05fed077a8ed38b8f65d7d956a7f4dd3352ad433787340d53028361ffc7034157b192c30facc5173fe25627670a1d71a49c21113ea82fa85c3777

  • SSDEEP

    6144:PLLem0+YpmC90kOvzUQPhkEthsZiJlukYxaMyf:PXemtYpmC90n1h1tu0luk/hf

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bf97d34d8dad642255381440c4331ee412be29d6ac7571e601ed36fc67cd43b.exe
    "C:\Users\Admin\AppData\Local\Temp\9bf97d34d8dad642255381440c4331ee412be29d6ac7571e601ed36fc67cd43b.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\9bf97d34d8dad642255381440c4331ee412be29d6ac7571e601ed36fc67cd43b.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:1664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 2132
      2⤵
      • Program crash
      PID:3392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1712 -ip 1712
    1⤵
      PID:2296

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/1712-132-0x000000000059E000-0x00000000005CC000-memory.dmp

      Filesize

      184KB

    • memory/1712-133-0x00000000020A0000-0x00000000020F3000-memory.dmp

      Filesize

      332KB

    • memory/1712-134-0x0000000000400000-0x000000000047A000-memory.dmp

      Filesize

      488KB

    • memory/1712-135-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1712-157-0x000000000059E000-0x00000000005CC000-memory.dmp

      Filesize

      184KB

    • memory/1712-158-0x0000000000400000-0x000000000047A000-memory.dmp

      Filesize

      488KB