Analysis

  • max time kernel
    151s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:23

General

  • Target

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe

  • Size

    220KB

  • MD5

    1b0af3fe31ca05c290b244769b26eee0

  • SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

  • SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

  • SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • SSDEEP

    3072:W6g4USylvsnv5gVzaSCz2HJzqxdJWfIBZ5qK:84USy9qgzPexdyK

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe
    "C:\Users\Admin\AppData\Local\Temp\b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\phwaq.exe
      "C:\Users\Admin\phwaq.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:268

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\phwaq.exe
    Filesize

    220KB

    MD5

    1b0af3fe31ca05c290b244769b26eee0

    SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

    SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

    SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • C:\Users\Admin\phwaq.exe
    Filesize

    220KB

    MD5

    1b0af3fe31ca05c290b244769b26eee0

    SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

    SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

    SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • \Users\Admin\phwaq.exe
    Filesize

    220KB

    MD5

    1b0af3fe31ca05c290b244769b26eee0

    SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

    SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

    SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • \Users\Admin\phwaq.exe
    Filesize

    220KB

    MD5

    1b0af3fe31ca05c290b244769b26eee0

    SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

    SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

    SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • memory/268-59-0x0000000000000000-mapping.dmp
  • memory/896-56-0x0000000075E31000-0x0000000075E33000-memory.dmp
    Filesize

    8KB

  • memory/896-65-0x00000000749A1000-0x00000000749A3000-memory.dmp
    Filesize

    8KB