Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:22

General

  • Target

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f.exe

  • Size

    280KB

  • MD5

    3a5fd5049b6b48161f0aed543f0fa790

  • SHA1

    c4d720489fadd1964bab0269dce0cd25a02bb2eb

  • SHA256

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f

  • SHA512

    86a735f6b196ac54042ffa4bd0ca021b376d3d024c76ccae5d530c5947a193e6ec92e044ae46b3ca84fea2268759cbbd3f927af6d3b6bd555d086889fe194fa7

  • SSDEEP

    6144:5tcWOyEhFtHt3whCzk865CPTWyWisLorP5D:5azyEhFtHt3whCzk865CPTbe0P5D

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f.exe
    "C:\Users\Admin\AppData\Local\Temp\f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\jauyex.exe
      "C:\Users\Admin\jauyex.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1204

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jauyex.exe

    Filesize

    280KB

    MD5

    3a5fd5049b6b48161f0aed543f0fa790

    SHA1

    c4d720489fadd1964bab0269dce0cd25a02bb2eb

    SHA256

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f

    SHA512

    86a735f6b196ac54042ffa4bd0ca021b376d3d024c76ccae5d530c5947a193e6ec92e044ae46b3ca84fea2268759cbbd3f927af6d3b6bd555d086889fe194fa7

  • C:\Users\Admin\jauyex.exe

    Filesize

    280KB

    MD5

    3a5fd5049b6b48161f0aed543f0fa790

    SHA1

    c4d720489fadd1964bab0269dce0cd25a02bb2eb

    SHA256

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f

    SHA512

    86a735f6b196ac54042ffa4bd0ca021b376d3d024c76ccae5d530c5947a193e6ec92e044ae46b3ca84fea2268759cbbd3f927af6d3b6bd555d086889fe194fa7

  • \Users\Admin\jauyex.exe

    Filesize

    280KB

    MD5

    3a5fd5049b6b48161f0aed543f0fa790

    SHA1

    c4d720489fadd1964bab0269dce0cd25a02bb2eb

    SHA256

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f

    SHA512

    86a735f6b196ac54042ffa4bd0ca021b376d3d024c76ccae5d530c5947a193e6ec92e044ae46b3ca84fea2268759cbbd3f927af6d3b6bd555d086889fe194fa7

  • \Users\Admin\jauyex.exe

    Filesize

    280KB

    MD5

    3a5fd5049b6b48161f0aed543f0fa790

    SHA1

    c4d720489fadd1964bab0269dce0cd25a02bb2eb

    SHA256

    f222ba86ff456684216a177d7985af5d55139246327b4850673fd50338ad153f

    SHA512

    86a735f6b196ac54042ffa4bd0ca021b376d3d024c76ccae5d530c5947a193e6ec92e044ae46b3ca84fea2268759cbbd3f927af6d3b6bd555d086889fe194fa7

  • memory/1204-59-0x0000000000000000-mapping.dmp

  • memory/2016-56-0x0000000075661000-0x0000000075663000-memory.dmp

    Filesize

    8KB

  • memory/2016-64-0x0000000074531000-0x0000000074533000-memory.dmp

    Filesize

    8KB