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Analysis

  • max time kernel
    151s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 01:58

General

  • Target

    462377cd5fd9e3e923442d02448b38cd7aaa20cf6c182bd5fad07b9c6ed343bc.exe

  • Size

    260KB

  • MD5

    41f4cef0874e084b4f85c42ebc549910

  • SHA1

    cb7e3b5bfe3455d3bf6add5d0dee4a092b0c3b4b

  • SHA256

    462377cd5fd9e3e923442d02448b38cd7aaa20cf6c182bd5fad07b9c6ed343bc

  • SHA512

    6a731f3435569d366e2dedf6be2d73e3166861e692cc850ec74ab78aa6e04c95510cde82a4cd65e6bb8805e716190c9418fe2e3ea488a25a646c6e0ad96ebcb4

  • SSDEEP

    3072:lgZcPIDHQXftsa01SOq1RY4uJr/I5fEKcpGJsXS9Y:CcPIDd+JleGJ99

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 49 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\462377cd5fd9e3e923442d02448b38cd7aaa20cf6c182bd5fad07b9c6ed343bc.exe
    "C:\Users\Admin\AppData\Local\Temp\462377cd5fd9e3e923442d02448b38cd7aaa20cf6c182bd5fad07b9c6ed343bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Users\Admin\liaoqi.exe
      "C:\Users\Admin\liaoqi.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
      • Suspicious use of WriteProcessMemory
      PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\liaoqi.exe

    Filesize

    260KB

    MD5

    7f7d7db6f0c3b6e217c3d4cc467d335f

    SHA1

    be7e397e5018d639f4bdcc1eb1715551c4d28cce

    SHA256

    387a9b1115fb1ffc78b2cb7a16085b0431fa25c76b88cb25e82d802e6a8a9f54

    SHA512

    7e6f8a264e40e3d81bafbb41057ac5b86d50718e2a6f0b65c10a42837640dc97016835647920b09edafed07b4042150c90842d3d95d39ae0741d1a9e5e8fed1d

  • C:\Users\Admin\liaoqi.exe

    Filesize

    260KB

    MD5

    7f7d7db6f0c3b6e217c3d4cc467d335f

    SHA1

    be7e397e5018d639f4bdcc1eb1715551c4d28cce

    SHA256

    387a9b1115fb1ffc78b2cb7a16085b0431fa25c76b88cb25e82d802e6a8a9f54

    SHA512

    7e6f8a264e40e3d81bafbb41057ac5b86d50718e2a6f0b65c10a42837640dc97016835647920b09edafed07b4042150c90842d3d95d39ae0741d1a9e5e8fed1d

  • \Users\Admin\liaoqi.exe

    Filesize

    260KB

    MD5

    7f7d7db6f0c3b6e217c3d4cc467d335f

    SHA1

    be7e397e5018d639f4bdcc1eb1715551c4d28cce

    SHA256

    387a9b1115fb1ffc78b2cb7a16085b0431fa25c76b88cb25e82d802e6a8a9f54

    SHA512

    7e6f8a264e40e3d81bafbb41057ac5b86d50718e2a6f0b65c10a42837640dc97016835647920b09edafed07b4042150c90842d3d95d39ae0741d1a9e5e8fed1d

  • \Users\Admin\liaoqi.exe

    Filesize

    260KB

    MD5

    7f7d7db6f0c3b6e217c3d4cc467d335f

    SHA1

    be7e397e5018d639f4bdcc1eb1715551c4d28cce

    SHA256

    387a9b1115fb1ffc78b2cb7a16085b0431fa25c76b88cb25e82d802e6a8a9f54

    SHA512

    7e6f8a264e40e3d81bafbb41057ac5b86d50718e2a6f0b65c10a42837640dc97016835647920b09edafed07b4042150c90842d3d95d39ae0741d1a9e5e8fed1d

  • memory/904-56-0x0000000075021000-0x0000000075023000-memory.dmp

    Filesize

    8KB