Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 17:45

General

  • Target

    193e6b560b297e51c53f6ec9bf2611b8d41f1a5a4418dee0f501535b4970c80d.exe

  • Size

    55KB

  • MD5

    0af782f154a5635d2e37129b22966b1e

  • SHA1

    0d5bb08e7b84e5620e77bef6a2b49c2d6c4ee2bb

  • SHA256

    193e6b560b297e51c53f6ec9bf2611b8d41f1a5a4418dee0f501535b4970c80d

  • SHA512

    16664f13ee0e9f07eecca085574a7c2d5d30a0452a8dc9f0b51e868be13e1e7af2920542ce719a41145d57d9f352c17d789b6a17537ba9ce50b414d33b06d0e2

  • SSDEEP

    768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpfA:V3cpyORJLuB4P4AJJv4Romu/9tpvUZw

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\193e6b560b297e51c53f6ec9bf2611b8d41f1a5a4418dee0f501535b4970c80d.exe
    "C:\Users\Admin\AppData\Local\Temp\193e6b560b297e51c53f6ec9bf2611b8d41f1a5a4418dee0f501535b4970c80d.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
      2⤵
      • Drops file in Program Files directory
      • Views/modifies file attributes
      PID:1624
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
      2⤵
      • Deletes itself
      PID:604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp.bat

    Filesize

    250B

    MD5

    0390c128d58ddfb2f818ba05d9300d20

    SHA1

    219b6efbbef330f02a864b2d64137c2d33bf5889

    SHA256

    f4ff669c71268883c2b048921e5cfb735e9ed0751a81a34f441d9e2606036e53

    SHA512

    99273d805ec8705058abe442e9795cd73a774ca5e41b7cea1d68153e6f0973400dd26bcab39564ecaeea137092e368d5c879dc860dcd0a4ab0295ae2e77c43ed

  • \Users\Admin\AppData\Local\Temp\nst1A57.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • memory/1708-54-0x0000000075111000-0x0000000075113000-memory.dmp

    Filesize

    8KB