Analysis

  • max time kernel
    150s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2023 02:24

General

  • Target

    8d5b7a7156e505d7fba3e5c36ac65517c6a36895.exe

  • Size

    239KB

  • MD5

    da4046159105211f43e86f81dd7475c5

  • SHA1

    8d5b7a7156e505d7fba3e5c36ac65517c6a36895

  • SHA256

    94abf032e67d0be040c3e01628a478a4c08fe02fa2c9ee5904d3eaf310d9af8b

  • SHA512

    6f76be8160f0cd72fbc1afd06b3d6dd7aff8ba509f26468dc511142169d062c813a102f3985fd2a512e651b9e91f9a4c940940cde795ffe5de2250afa93369b0

  • SSDEEP

    6144:OryfPT/Bu+5x7PxbJNQn+9upeupnThcUK7Tw:Or1+5ZDW+9TchcUKw

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d5b7a7156e505d7fba3e5c36ac65517c6a36895.exe
    "C:\Users\Admin\AppData\Local\Temp\8d5b7a7156e505d7fba3e5c36ac65517c6a36895.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\PROGRA~3\c3Mt#q=5TyC;,jo.exe
      C:\PROGRA~3\c3Mt#q=5TyC;,jo.exe
      2⤵
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1576-54-0x0000000000510000-0x0000000000543000-memory.dmp

    Filesize

    204KB

  • memory/1576-55-0x0000000075611000-0x0000000075613000-memory.dmp

    Filesize

    8KB

  • memory/1576-57-0x0000000000510000-0x0000000000543000-memory.dmp

    Filesize

    204KB

  • memory/1576-58-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1744-56-0x0000000000000000-mapping.dmp

  • memory/1744-59-0x0000000000350000-0x0000000000383000-memory.dmp

    Filesize

    204KB

  • memory/1744-61-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1744-62-0x0000000000350000-0x0000000000383000-memory.dmp

    Filesize

    204KB