Overview

overview

10

Static

static

Windows.Encryptor.exe

windows7_x64

10

Windows.Encryptor.exe

windows10_x64

10

Resubmissions

31-08-2021 13:22

210831-v7yp62p3a2 10

03-08-2021 06:34

210803-w6vry4xe5x 10

02-08-2021 18:36

210802-whb9t8hbz6 10

Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02-08-2021 18:36

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General

  • Target

    Windows.Encryptor.exe

  • Size

    66KB

  • MD5

    ba375d0625001102fc1f2ccb6f582d91

  • SHA1

    379ebd1eff6f8685f4ff72657626bf6df5383d87

  • SHA256

    c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99

  • SHA512

    795b10a638e289729192de6a6d9964b5ad3b8084f84d58da077ca8ec08c8b8cb1acadb5240962d4ccacf66242bab1430923fc77bdbbfacd0badd64df2ba1487f

Score
10/10
ransomware

Malware Config

Extracted

Path

C:\1rWCqamCt.README.txt

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R

Signatures

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Windows.Encryptor.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows.Encryptor.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1080
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1080-60-0x0000000075D11000-0x0000000075D13000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1080-61-0x0000000000295000-0x00000000002A6000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1080-62-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1080-63-0x00000000002A6000-0x00000000002A7000-memory.dmp

    Filesize

    4KB

    Download