Analysis

  • max time kernel
    153s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 19:10

General

  • Target

    2c150f50d921895a5193d1416bb6477b384f40f5a59be0c6ec005e3ab7e8ed91.exe

  • Size

    160KB

  • MD5

    522921af9e34bdee263636013017c6e0

  • SHA1

    b550e94b951b52964dd3caf1a9f660fcfb995a08

  • SHA256

    2c150f50d921895a5193d1416bb6477b384f40f5a59be0c6ec005e3ab7e8ed91

  • SHA512

    2e2e30ff5ee082d58e79402443dc0af87b5224f9a636462a2490f7e6c12c8cc220a994505cb6e3f6c086c2e48d0d3728c5d9a3d5652c4a3e1226d2b4a6f65664

  • SSDEEP

    3072:EEpHp2c5Y2Xcz5LSnlqa1T+iOf1kp5K3f4oQZiE1gPpO:Ee2cO2XclLSnkiOfamxW4PE

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 50 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c150f50d921895a5193d1416bb6477b384f40f5a59be0c6ec005e3ab7e8ed91.exe
    "C:\Users\Admin\AppData\Local\Temp\2c150f50d921895a5193d1416bb6477b384f40f5a59be0c6ec005e3ab7e8ed91.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\ptduk.exe
      "C:\Users\Admin\ptduk.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
      PID:1500

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\ptduk.exe
    Filesize

    160KB

    MD5

    44a67b014d5973597e72b7a120f050ea

    SHA1

    74f7884404132b8976a3727ba94a283e1857caf4

    SHA256

    bf450326d5bfe617cac8ad308cb06f093199937ba968d0077be60e42b7a399d1

    SHA512

    6086f68eb250ebacc72557806b782020e099ffbe2a5fe21f9fa80cc16b76fb4c8a3173ffaaf9c050a869c2ad6949432cdacf21e44db965a03bb616f7dc60fb93

  • C:\Users\Admin\ptduk.exe
    Filesize

    160KB

    MD5

    44a67b014d5973597e72b7a120f050ea

    SHA1

    74f7884404132b8976a3727ba94a283e1857caf4

    SHA256

    bf450326d5bfe617cac8ad308cb06f093199937ba968d0077be60e42b7a399d1

    SHA512

    6086f68eb250ebacc72557806b782020e099ffbe2a5fe21f9fa80cc16b76fb4c8a3173ffaaf9c050a869c2ad6949432cdacf21e44db965a03bb616f7dc60fb93

  • \Users\Admin\ptduk.exe
    Filesize

    160KB

    MD5

    44a67b014d5973597e72b7a120f050ea

    SHA1

    74f7884404132b8976a3727ba94a283e1857caf4

    SHA256

    bf450326d5bfe617cac8ad308cb06f093199937ba968d0077be60e42b7a399d1

    SHA512

    6086f68eb250ebacc72557806b782020e099ffbe2a5fe21f9fa80cc16b76fb4c8a3173ffaaf9c050a869c2ad6949432cdacf21e44db965a03bb616f7dc60fb93

  • \Users\Admin\ptduk.exe
    Filesize

    160KB

    MD5

    44a67b014d5973597e72b7a120f050ea

    SHA1

    74f7884404132b8976a3727ba94a283e1857caf4

    SHA256

    bf450326d5bfe617cac8ad308cb06f093199937ba968d0077be60e42b7a399d1

    SHA512

    6086f68eb250ebacc72557806b782020e099ffbe2a5fe21f9fa80cc16b76fb4c8a3173ffaaf9c050a869c2ad6949432cdacf21e44db965a03bb616f7dc60fb93

  • memory/1416-56-0x00000000767B1000-0x00000000767B3000-memory.dmp
    Filesize

    8KB

  • memory/1500-59-0x0000000000000000-mapping.dmp