Analysis

  • max time kernel
    189s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:28

General

  • Target

    59e4d0153397d7a1303ef90c6c508842c60a4e8f87297422471ac8f6872b965b.exe

  • Size

    44KB

  • MD5

    0a57a263a4f31872061b7ee1badafa40

  • SHA1

    215c84fd2b77564f2ce74572ad32e77e4b5aab0f

  • SHA256

    59e4d0153397d7a1303ef90c6c508842c60a4e8f87297422471ac8f6872b965b

  • SHA512

    a4eb4cf6c2a336d640bdc19e014b7e313bb3d86d15c3b7148be8a3db0f31cd856607e637081e1baf6e5f2bc37952e88227706518ea82c2abdcf48c36ac7ff139

  • SSDEEP

    768:oL/Hdy9Q5++YyXe04H7cHPHYmug6UXQm1dIZE2ocOT77e:oHA9Hyj6S3T77

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 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\59e4d0153397d7a1303ef90c6c508842c60a4e8f87297422471ac8f6872b965b.exe
    "C:\Users\Admin\AppData\Local\Temp\59e4d0153397d7a1303ef90c6c508842c60a4e8f87297422471ac8f6872b965b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\qlviis.exe
      "C:\Users\Admin\qlviis.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:4404

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    44KB

    MD5

    debdbbbebfe3626bf778b525dc475d54

    SHA1

    f3ade960bf0384896cceb15ae90de4762c9c805e

    SHA256

    cc0036cc8604f16e4f92168c2ef9b828456dea8f24c82aa8d07da8f6602ebf87

    SHA512

    bb3911a1d9da531acb098d7fd17bfb10f3d754b07138d289303ac176beccae5827f1307ddccb1f7d249eae6c8c8a3803688d1ab63eb00918368c949998693b23

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

    44KB

    MD5

    debdbbbebfe3626bf778b525dc475d54

    SHA1

    f3ade960bf0384896cceb15ae90de4762c9c805e

    SHA256

    cc0036cc8604f16e4f92168c2ef9b828456dea8f24c82aa8d07da8f6602ebf87

    SHA512

    bb3911a1d9da531acb098d7fd17bfb10f3d754b07138d289303ac176beccae5827f1307ddccb1f7d249eae6c8c8a3803688d1ab63eb00918368c949998693b23

  • memory/4404-135-0x0000000000000000-mapping.dmp
  • memory/4404-140-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB

  • memory/4404-142-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB

  • memory/4952-132-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB

  • memory/4952-141-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB