Analysis

  • max time kernel
    154s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 10:14

General

  • Target

    c92bf603e77ece322fd33ab9ea1db8be6564ba2bc07fea9e44723993a6d640b5.exe

  • Size

    268KB

  • MD5

    96291ac5dd30bf91241bb116ec03f12e

  • SHA1

    5ca8e799ff698eb3232521e43fea1ee36f3da4ac

  • SHA256

    c92bf603e77ece322fd33ab9ea1db8be6564ba2bc07fea9e44723993a6d640b5

  • SHA512

    532d2b26a6c1e573786340818a2e5226a9c87ccbe8af8a2d601b0222b12de15b3a85914dd057efa82899ac50f752cec632d3fb18f9aeb44f66e951f32076a7fa

  • SSDEEP

    6144:S7wz2Eu+yV2PL9JhCNjKV6MG31luID8NLJTPxhMbmNPjiiSIQ:SwMs0Nz8tJTZhMii5

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c92bf603e77ece322fd33ab9ea1db8be6564ba2bc07fea9e44723993a6d640b5.exe
    "C:\Users\Admin\AppData\Local\Temp\c92bf603e77ece322fd33ab9ea1db8be6564ba2bc07fea9e44723993a6d640b5.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Users\Admin\jxzaag.exe
      "C:\Users\Admin\jxzaag.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:1844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jxzaag.exe

    Filesize

    268KB

    MD5

    61e9ad46349e331dc94f5ce34e57d29b

    SHA1

    9d2d3a029c66abb4cd8ada5e6a9fc8af1b5c7967

    SHA256

    ea95c425c6028e6d90468143755d0a2f794c7125ae2d32b807597ef9149758f8

    SHA512

    1c719ebd13b1063aa0be3cc9f5135d7a77d1d63ef52cd89704db6eca2092404af2bde56eaf2f87436dde8a2aa6804e5064c107ff0f328788baf7da12ec49ccf5

  • C:\Users\Admin\jxzaag.exe

    Filesize

    268KB

    MD5

    61e9ad46349e331dc94f5ce34e57d29b

    SHA1

    9d2d3a029c66abb4cd8ada5e6a9fc8af1b5c7967

    SHA256

    ea95c425c6028e6d90468143755d0a2f794c7125ae2d32b807597ef9149758f8

    SHA512

    1c719ebd13b1063aa0be3cc9f5135d7a77d1d63ef52cd89704db6eca2092404af2bde56eaf2f87436dde8a2aa6804e5064c107ff0f328788baf7da12ec49ccf5