Analysis

  • max time kernel
    107s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 08:32

General

  • Target

    b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a.exe

  • Size

    413KB

  • MD5

    98ec040c1ee2c5eb50f952098178c55f

  • SHA1

    937ec67a45534ca15c5ed9c19a7bb442cc8df4c7

  • SHA256

    b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a

  • SHA512

    46c83381ce6d0b70e8ec51ad1c07e3a1ede63b979d583c2cb9ab4cb6687ec688beeeb93cc78a51dad7d64d0ae49790379bb7bac5543909bc7491028371786ddf

  • SSDEEP

    12288:6P6ys+NgzZhkDjhnQrlxoF50fee8cr/SuEmZiQdt5NkRug:OBNUfkWh+noefOEKiEXNjg

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 53 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a.exe
    "C:\Users\Admin\AppData\Local\Temp\b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Drops file in Drivers directory
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:2076
    • C:\Users\Admin\AppData\Local\Temp\b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a.exe
      C:\Users\Admin\AppData\Local\Temp\b0743c6d1983fe3e94b9b7b33a78e7813bd9e49ecff39a6ad34ed6cd98c7677a.exe
      2⤵
      • Drops file in Drivers directory
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3400
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:4532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Common Files\System\taobao.ico

    Filesize

    14KB

    MD5

    468fada123f5548ac87e57bae81f6782

    SHA1

    edb8f012c25906e6afd8bf335b495e16c440243d

    SHA256

    091c882bb307d57f2c7c42309e7ba8740130fef8c3ed772b0bc5e5505e37034d

    SHA512

    635ec26c88c2394dd4f2a81b9aea8f429a91adfeb37ae34e51b03f3cf8e503c123c3685938f40cea07d6146e0c7113aadbe62fa528f1f6d8b995e617fd68a4aa

  • C:\WINDOWS\system32\drivers\etc\hosts

    Filesize

    3KB

    MD5

    19f9267b3b8ba8384d195f67f3630d9b

    SHA1

    85c07e47d9299223e060c53aee36fa5937d58d6a

    SHA256

    bf52341950122775dfab21c95fc13a8f0b5118936b5dc35a18a5d3bc252ea91a

    SHA512

    0bf8c0da9cd43f700e1c2be468862b0a6cfb4c358ae7d50ac4ba5b3f5046ab746a50038d2f84721a888ef6c76589574b45ee4170583e6dc3af84a8ca4722a3cd

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    228B

    MD5

    2d06a424ad1c7611ea9caad93892ea26

    SHA1

    a901e15c2ecea498f1ca8ffc5d5c32bd3f0169d8

    SHA256

    8c19027357bcb3170b6844aec44cd4c143c7b795d5df52ff89426615010f715c

    SHA512

    3199dffce9d7625d9e01d7a06c912d3629e5f3d98d3935763df6b323807d46f24a40876d78d5ae7f7ac83c90e498e7c4810d88993904dbca1036e8c06833ccdf

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    228B

    MD5

    2d06a424ad1c7611ea9caad93892ea26

    SHA1

    a901e15c2ecea498f1ca8ffc5d5c32bd3f0169d8

    SHA256

    8c19027357bcb3170b6844aec44cd4c143c7b795d5df52ff89426615010f715c

    SHA512

    3199dffce9d7625d9e01d7a06c912d3629e5f3d98d3935763df6b323807d46f24a40876d78d5ae7f7ac83c90e498e7c4810d88993904dbca1036e8c06833ccdf

  • memory/2076-133-0x0000000000000000-mapping.dmp

  • memory/2288-132-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2288-141-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/3400-135-0x0000000000000000-mapping.dmp

  • memory/3400-140-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4532-136-0x0000000000000000-mapping.dmp