Analysis

  • max time kernel
    151s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 05:21

General

  • Target

    924c2baa6e1090c312c4f7510903957e1fba1d988bd0b6189ed5dbb58be97363.exe

  • Size

    124KB

  • MD5

    cdbc896beccc8e85e1b762bf0e6bd130

  • SHA1

    eaea78415fd27120d858a5030a63fd5212be7153

  • SHA256

    924c2baa6e1090c312c4f7510903957e1fba1d988bd0b6189ed5dbb58be97363

  • SHA512

    f6f17c494df4625a6311173c0fb4b233e9041ead85f558cea52af10febf0834a39ab9a752a665ed51dc5c37d181e4f0bcf2c51e0af4c64b6d2e1e1fd162b8e6f

  • SSDEEP

    3072:EmeDmBqskJzCm/Rkt7VHLjeiQMJPqdjfSsGfh5d:E8KCget7VH/eAPqdjjGfh5d

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

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

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

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\924c2baa6e1090c312c4f7510903957e1fba1d988bd0b6189ed5dbb58be97363.exe
    "C:\Users\Admin\AppData\Local\Temp\924c2baa6e1090c312c4f7510903957e1fba1d988bd0b6189ed5dbb58be97363.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:2184

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\PushWare\cpush.dll
    Filesize

    196KB

    MD5

    b3433029979331e72894b2dd0701cec7

    SHA1

    ccb64fbbd35cd7bc65a3ecf25fecd53efe2edc9d

    SHA256

    7ac5c8c34c9f2c1d3b2328593fade7a4090add72dd991a277dec91240413a2db

    SHA512

    7c729fd81ad0ab5f8a736c8743c5badc9dc47b8f28900d1d384d241ecaecee83f03e5fa482dd4c5f9537801888e7e4faefceed7785120e867bdf7dd2e8bcab5c

  • C:\Program Files (x86)\Common Files\PushWare\cpush.dll
    Filesize

    196KB

    MD5

    b3433029979331e72894b2dd0701cec7

    SHA1

    ccb64fbbd35cd7bc65a3ecf25fecd53efe2edc9d

    SHA256

    7ac5c8c34c9f2c1d3b2328593fade7a4090add72dd991a277dec91240413a2db

    SHA512

    7c729fd81ad0ab5f8a736c8743c5badc9dc47b8f28900d1d384d241ecaecee83f03e5fa482dd4c5f9537801888e7e4faefceed7785120e867bdf7dd2e8bcab5c

  • memory/2184-132-0x0000000000000000-mapping.dmp