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Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 09:45

General

  • Target

    3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe

  • Size

    148KB

  • MD5

    62166b8289a621073570fb8e5a724fe8

  • SHA1

    ef098429eb441544b9b76d061d5451a66a571c17

  • SHA256

    3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b

  • SHA512

    a00a0c46dc64c47bb81aa8734ed6796118c73977a24eead3c25b3740f897f000b76aa709c2d3f0609887b37b43792114c76094365413126c67bc65ae71119653

  • SSDEEP

    1536:PieaxAhE1SV++mRR0cL+iOJsz5czE4M52BoSHvSC3T4Gx4Mgkt+:yl1rZRRTLz5cg4aNo+

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 58 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\3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe
    "C:\Users\Admin\AppData\Local\Temp\3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.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:2080
    • C:\Users\Admin\jeehio.exe
      "C:\Users\Admin\jeehio.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:1216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jeehio.exe

    Filesize

    148KB

    MD5

    b4ffe1dddf46a76d78b3a4112a3b3c0e

    SHA1

    b2b49303f54d6bc01a0379bf4e514b949acf2b15

    SHA256

    cde329c789f486b6f5b67fa0bc46ff0ee186b1364cc5e6cef895d891a61500df

    SHA512

    22a59e912de150390f0f9bc15771b04c94cc4cc86abdf37e09dd0a42f47796d417adaa70982ed8eff00d5a3f237c5634749520a860be2ee7be34f3cacdd419c5

  • C:\Users\Admin\jeehio.exe

    Filesize

    148KB

    MD5

    b4ffe1dddf46a76d78b3a4112a3b3c0e

    SHA1

    b2b49303f54d6bc01a0379bf4e514b949acf2b15

    SHA256

    cde329c789f486b6f5b67fa0bc46ff0ee186b1364cc5e6cef895d891a61500df

    SHA512

    22a59e912de150390f0f9bc15771b04c94cc4cc86abdf37e09dd0a42f47796d417adaa70982ed8eff00d5a3f237c5634749520a860be2ee7be34f3cacdd419c5