Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 00:30

General

  • Target

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606.exe

  • Size

    204KB

  • MD5

    644dc4f5d24701d601159184fbf221b0

  • SHA1

    0b5f093c10cb9fcc5cd721348158b8353d293057

  • SHA256

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606

  • SHA512

    077ce70ea03b176a8d08f13dc4a627e2f0847ef8f9ebf28f950b41d3480a00f31091489f562104d0d30f19d5b3cd568e4cbb1e44bd9b2e14c05a3e31cb7cdfe4

  • SSDEEP

    6144:GRIm1k47hwTQUlnHRNcggTE6F3PFVvNqAcLoO:5m157hwTNnHRNcggTE6F3PFVvNuLl

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 14 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606.exe
    "C:\Users\Admin\AppData\Local\Temp\ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606.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:1544
    • C:\Users\Admin\gaeoxin.exe
      "C:\Users\Admin\gaeoxin.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
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\gaeoxin.exe

    Filesize

    204KB

    MD5

    644dc4f5d24701d601159184fbf221b0

    SHA1

    0b5f093c10cb9fcc5cd721348158b8353d293057

    SHA256

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606

    SHA512

    077ce70ea03b176a8d08f13dc4a627e2f0847ef8f9ebf28f950b41d3480a00f31091489f562104d0d30f19d5b3cd568e4cbb1e44bd9b2e14c05a3e31cb7cdfe4

  • C:\Users\Admin\gaeoxin.exe

    Filesize

    204KB

    MD5

    644dc4f5d24701d601159184fbf221b0

    SHA1

    0b5f093c10cb9fcc5cd721348158b8353d293057

    SHA256

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606

    SHA512

    077ce70ea03b176a8d08f13dc4a627e2f0847ef8f9ebf28f950b41d3480a00f31091489f562104d0d30f19d5b3cd568e4cbb1e44bd9b2e14c05a3e31cb7cdfe4

  • \Users\Admin\gaeoxin.exe

    Filesize

    204KB

    MD5

    644dc4f5d24701d601159184fbf221b0

    SHA1

    0b5f093c10cb9fcc5cd721348158b8353d293057

    SHA256

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606

    SHA512

    077ce70ea03b176a8d08f13dc4a627e2f0847ef8f9ebf28f950b41d3480a00f31091489f562104d0d30f19d5b3cd568e4cbb1e44bd9b2e14c05a3e31cb7cdfe4

  • \Users\Admin\gaeoxin.exe

    Filesize

    204KB

    MD5

    644dc4f5d24701d601159184fbf221b0

    SHA1

    0b5f093c10cb9fcc5cd721348158b8353d293057

    SHA256

    ce5078c847f241495ab52b40d86743ff308e2f4a332d7a71e064712b33272606

    SHA512

    077ce70ea03b176a8d08f13dc4a627e2f0847ef8f9ebf28f950b41d3480a00f31091489f562104d0d30f19d5b3cd568e4cbb1e44bd9b2e14c05a3e31cb7cdfe4

  • memory/1544-56-0x0000000075681000-0x0000000075683000-memory.dmp

    Filesize

    8KB