Resubmissions

07-12-2023 12:48

231207-p1sxmsah37 10

06-06-2022 17:10

220606-vp5pysecgn 10

Analysis

  • max time kernel
    1796s
  • max time network
    1803s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    06-06-2022 17:10

General

  • Target

    7393f83f5d24d5c64e2c0298133f5052404250dfda167591019057b574ed8d1b.exe

  • Size

    6KB

  • MD5

    dea0e56e4ce2fafb80ace3b818eb44fe

  • SHA1

    ce252a12317c0d0cac83b87a76db375baf05cb94

  • SHA256

    7393f83f5d24d5c64e2c0298133f5052404250dfda167591019057b574ed8d1b

  • SHA512

    d04ba2daa722bc929628605cc0dfa4bc2ae34e485d13685a8f8a5747754c88915f32621363955640cac49c890ac01136aef7444d3fd62ab26be048ebae50e4ee

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • suricata: ET MALWARE Common Upatre Header Structure 2

    suricata: ET MALWARE Common Upatre Header Structure 2

  • suricata: ET MALWARE Upatre Common URI Struct Dec 01 2014

    suricata: ET MALWARE Upatre Common URI Struct Dec 01 2014

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7393f83f5d24d5c64e2c0298133f5052404250dfda167591019057b574ed8d1b.exe
    "C:\Users\Admin\AppData\Local\Temp\7393f83f5d24d5c64e2c0298133f5052404250dfda167591019057b574ed8d1b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    c477fe759712d5ab52fc7a4b50ef8469

    SHA1

    1e9a85d58af7dc2d37048cc62e7510f3be03e1be

    SHA256

    07e7cd0b05aeba1858f5674c488f618b91c62e358758a8b9880c8d96abb69746

    SHA512

    fb47eea8b35228b4e0e49c3b51997c572f292f15b0bcdd57e0b18001fd8217d726410d02479b03a2f1484e7893ef105079cadc3239fe7ff21170282901a9ece3

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    c477fe759712d5ab52fc7a4b50ef8469

    SHA1

    1e9a85d58af7dc2d37048cc62e7510f3be03e1be

    SHA256

    07e7cd0b05aeba1858f5674c488f618b91c62e358758a8b9880c8d96abb69746

    SHA512

    fb47eea8b35228b4e0e49c3b51997c572f292f15b0bcdd57e0b18001fd8217d726410d02479b03a2f1484e7893ef105079cadc3239fe7ff21170282901a9ece3

  • \Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    c477fe759712d5ab52fc7a4b50ef8469

    SHA1

    1e9a85d58af7dc2d37048cc62e7510f3be03e1be

    SHA256

    07e7cd0b05aeba1858f5674c488f618b91c62e358758a8b9880c8d96abb69746

    SHA512

    fb47eea8b35228b4e0e49c3b51997c572f292f15b0bcdd57e0b18001fd8217d726410d02479b03a2f1484e7893ef105079cadc3239fe7ff21170282901a9ece3

  • \Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    c477fe759712d5ab52fc7a4b50ef8469

    SHA1

    1e9a85d58af7dc2d37048cc62e7510f3be03e1be

    SHA256

    07e7cd0b05aeba1858f5674c488f618b91c62e358758a8b9880c8d96abb69746

    SHA512

    fb47eea8b35228b4e0e49c3b51997c572f292f15b0bcdd57e0b18001fd8217d726410d02479b03a2f1484e7893ef105079cadc3239fe7ff21170282901a9ece3

  • memory/1640-57-0x0000000000000000-mapping.dmp
  • memory/2004-54-0x0000000075521000-0x0000000075523000-memory.dmp
    Filesize

    8KB