Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 00:41

General

  • Target

    z1247603.exe

  • Size

    339KB

  • MD5

    9b995acf949571a6d38b503d48a98785

  • SHA1

    2753654bfa17386f1427956d4495e269c2178716

  • SHA256

    e80820126f8f3d130ab9d5c681edd6908387769819e09f0a98e37f72b0e2fed1

  • SHA512

    5decfc4cc8e40cd18dce1d956b9886f886a1e1e224bba4058f952631fada7df754d8c3d4665e884ee5aff537ebb00192a453d09e3bc912ad6740856b84740f0f

  • SSDEEP

    6144:KEy+bnr+sp0yN90QEu2hE7ZstgFVEXwyHHOoOBlpcTQBonu/PcgFP:AMrsy90A2hE7ZsthxHux7pmYh/PPP

Malware Config

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z1247603.exe
    "C:\Users\Admin\AppData\Local\Temp\z1247603.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9601235.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9601235.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4440
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7715239.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7715239.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9601235.exe

    Filesize

    230KB

    MD5

    7f75ec203e74de86ca0391b71761904c

    SHA1

    aa2234e2608876be364a7a2516918fad954a27cf

    SHA256

    873e8ef4b9460406288f6f4ca433ba6ecf4597218b72a125d00052847a90b3b8

    SHA512

    eeefa3c3f8b9df71cd2302cf8c26bf03501d5f400344750f1b4ec7b280297f6635cb8c88eaca9d3c91a7ef8208aceede618dbe844b7354488e58ef059d54cc33

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7715239.exe

    Filesize

    359KB

    MD5

    d05f05bc0687727b909a0f228cb03a75

    SHA1

    e20b5d99c563393e645af1835f7f93027bd03cf1

    SHA256

    332b14a12ed0278ef7a9882b41ec6a2e0770714c4d3fc29ea3357d5fa9b0dde5

    SHA512

    98f95f6c47741838495b4b527f5c815f6fcad660f5330f3a077319ddcd1f3e39dfe60a075495090e01a61eb04ab64c4e3e9ec5ae1f2fe662ced788639a0d73be

  • memory/4440-7-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4440-10-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

    Filesize

    4KB

  • memory/4440-17-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

    Filesize

    4KB

  • memory/5092-12-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5092-14-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5092-16-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5092-13-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/5092-19-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB