Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 12:07

General

  • Target

    af43871c8ff3b9603a311a1ce6a041819181432fc38c2e7cf021b1a0384f335e.exe

  • Size

    244KB

  • MD5

    b4ba909b771d0654294c2a7c113e6571

  • SHA1

    89bbbe6ae1915dffb6c2b336fd74821f1639453a

  • SHA256

    af43871c8ff3b9603a311a1ce6a041819181432fc38c2e7cf021b1a0384f335e

  • SHA512

    971384c02e4e39fee4102acc13a2211967b5c4733156690421215cf53352e8d8ec14f6be0d5c4e611fe91646d16729c1cd29b8bfc6f946cb6d3c9c1a1580ab46

  • SSDEEP

    768:1lvMarNJJWBQwbjMPkG1VuW/wqvRXMXp677yCzdXZRT2Nq1MaQnepMri14PGBEj7:1Rl5J0lGVs4emEFbsP0

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af43871c8ff3b9603a311a1ce6a041819181432fc38c2e7cf021b1a0384f335e.exe
    "C:\Users\Admin\AppData\Local\Temp\af43871c8ff3b9603a311a1ce6a041819181432fc38c2e7cf021b1a0384f335e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\xaoguf.exe
      "C:\Users\Admin\xaoguf.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
      • Suspicious use of WriteProcessMemory
      PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\xaoguf.exe

    Filesize

    244KB

    MD5

    6b7b3e3096680aa379af5a9fa8d40f6c

    SHA1

    47c6f6d48e271ad40bb85d6d94551ddef86d79ce

    SHA256

    b6677eb8aa407db953d5a6f5da8adc3145a7c7d0f327c2715da1f4f8ae7fce4e

    SHA512

    0382be1f962751ad9bbb03ab0c267bcc7d183a83999525734fbce392fccb0dd0c98b04faff65bb53f699e2777d13851e3aef51cad3b546258a31a2e25eaf5e79

  • C:\Users\Admin\xaoguf.exe

    Filesize

    244KB

    MD5

    6b7b3e3096680aa379af5a9fa8d40f6c

    SHA1

    47c6f6d48e271ad40bb85d6d94551ddef86d79ce

    SHA256

    b6677eb8aa407db953d5a6f5da8adc3145a7c7d0f327c2715da1f4f8ae7fce4e

    SHA512

    0382be1f962751ad9bbb03ab0c267bcc7d183a83999525734fbce392fccb0dd0c98b04faff65bb53f699e2777d13851e3aef51cad3b546258a31a2e25eaf5e79

  • \Users\Admin\xaoguf.exe

    Filesize

    244KB

    MD5

    6b7b3e3096680aa379af5a9fa8d40f6c

    SHA1

    47c6f6d48e271ad40bb85d6d94551ddef86d79ce

    SHA256

    b6677eb8aa407db953d5a6f5da8adc3145a7c7d0f327c2715da1f4f8ae7fce4e

    SHA512

    0382be1f962751ad9bbb03ab0c267bcc7d183a83999525734fbce392fccb0dd0c98b04faff65bb53f699e2777d13851e3aef51cad3b546258a31a2e25eaf5e79

  • \Users\Admin\xaoguf.exe

    Filesize

    244KB

    MD5

    6b7b3e3096680aa379af5a9fa8d40f6c

    SHA1

    47c6f6d48e271ad40bb85d6d94551ddef86d79ce

    SHA256

    b6677eb8aa407db953d5a6f5da8adc3145a7c7d0f327c2715da1f4f8ae7fce4e

    SHA512

    0382be1f962751ad9bbb03ab0c267bcc7d183a83999525734fbce392fccb0dd0c98b04faff65bb53f699e2777d13851e3aef51cad3b546258a31a2e25eaf5e79

  • memory/1724-70-0x0000000002FA0000-0x0000000002FDF000-memory.dmp

    Filesize

    252KB

  • memory/1724-57-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB

  • memory/1724-56-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1724-65-0x0000000002FA0000-0x0000000002FDF000-memory.dmp

    Filesize

    252KB

  • memory/1724-66-0x0000000002FA0000-0x0000000002FDF000-memory.dmp

    Filesize

    252KB

  • memory/1724-71-0x0000000002FA0000-0x0000000002FDF000-memory.dmp

    Filesize

    252KB

  • memory/1724-69-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2044-67-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2044-72-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB