Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2023 12:32

General

  • Target

    NEAS.761dfbeb1336a58ac2fca66ee5e28faf48817ecfe6fb3912159a950d30c24d47_JC.exe

  • Size

    378KB

  • MD5

    0442b7a9e592b1ed245f00b49c5d00e8

  • SHA1

    5173c21fa23ba972e78802958260fca79bd52380

  • SHA256

    761dfbeb1336a58ac2fca66ee5e28faf48817ecfe6fb3912159a950d30c24d47

  • SHA512

    aa5185b7f1bb8c381e5ed4b00456cbb2270e812e9aed83772f4e05a27b823c8bb177dd34b6d42fa2ca9d0f563d7150bfd792f7fdef0624431e03a674025fbaf3

  • SSDEEP

    6144:R4kS292pCryG4kfjSGwEi56AOFGg9bwglT3S5FFNDnUfl0D:R4k72wryNSygZwEW3nUf+D

Score
10/10

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Signatures

  • Detect Mystic stealer payload 5 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.761dfbeb1336a58ac2fca66ee5e28faf48817ecfe6fb3912159a950d30c24d47_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.761dfbeb1336a58ac2fca66ee5e28faf48817ecfe6fb3912159a950d30c24d47_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
        PID:860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 436
        2⤵
        • Program crash
        PID:2508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3772 -ip 3772
      1⤵
        PID:4036

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/860-0-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/860-1-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/860-2-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/860-3-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/860-4-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB