Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 23:55

General

  • Target

    9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe

  • Size

    320KB

  • MD5

    793d498a7c52db86001906f199900cbd

  • SHA1

    3094e39497ce398648a532ac8f38557c9b77df0e

  • SHA256

    9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db

  • SHA512

    b646e8d0b1c1c3fd494f9da5269950955f5ee1aad3382f68e9ff591746ca2a2bb6966f8584aeee5dc9bfadc766fbafd0180ee595125edd1e836c3221caa03c60

  • SSDEEP

    6144:vTwZo1IV3puaibGKFHi0mofhaH05kipz016580bHFbl86JQPDHDdx/QtqR:rXgvmzFHi0mo5aH0qMzd5807FRPJQPDV

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 17 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe
    "C:\Users\Admin\AppData\Local\Temp\9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\xbgns.exe
      "C:\Users\Admin\AppData\Local\Temp\xbgns.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:1580
    • C:\Users\Admin\AppData\Local\Temp\xbgns.exe
      "C:\Users\Admin\AppData\Local\Temp\xbgns.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • System policy modification
      PID:1680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • C:\Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • \Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • \Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • \Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • \Users\Admin\AppData\Local\Temp\xbgns.exe

    Filesize

    716KB

    MD5

    34dbca41b01fc6b44faa6cad08acf46e

    SHA1

    56dd82e7cfae664f24814479eece8b5975ed7910

    SHA256

    188df2f40d12ea7c34f1b17be80a2bd5004d5918eb7dce7ef559d918303d5f9e

    SHA512

    701711e4535fa483580b07c71da3acbafe292a950b462ac928847523431a8519c18db8adc671dd354f2cb53084fddb23ee489ed87abcc1acf2f3fd15fded0d8e

  • memory/1580-92-0x00000000740C1000-0x00000000740C3000-memory.dmp

    Filesize

    8KB

  • memory/1680-66-0x00000000743F1000-0x00000000743F3000-memory.dmp

    Filesize

    8KB

  • memory/1680-67-0x0000000074411000-0x0000000074413000-memory.dmp

    Filesize

    8KB

  • memory/1680-68-0x00000000743E1000-0x00000000743E3000-memory.dmp

    Filesize

    8KB

  • memory/1680-71-0x00000000740C1000-0x00000000740C3000-memory.dmp

    Filesize

    8KB

  • memory/1680-72-0x0000000073F51000-0x0000000073F53000-memory.dmp

    Filesize

    8KB

  • memory/1680-93-0x0000000073F51000-0x0000000073F53000-memory.dmp

    Filesize

    8KB

  • memory/1948-65-0x00000000743C1000-0x00000000743C3000-memory.dmp

    Filesize

    8KB

  • memory/1948-54-0x0000000076031000-0x0000000076033000-memory.dmp

    Filesize

    8KB