Analysis

  • max time kernel
    151s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 03:36

General

  • Target

    361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe

  • Size

    243KB

  • MD5

    e222299ef243f72a0d45db64601146d3

  • SHA1

    e87bdc834dddd85b5b9b931eaccac03a5caabf81

  • SHA256

    361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0

  • SHA512

    683c5879edd98b9ed0b71c11bfc0857b2fe2a240d73105e78600c24352c094ceb0cdb6eb78fe22a721d4d1946c034afc0d0240b61f62038a5fd4c1bfb80dae14

Malware Config

Extracted

Path

C:\Restore-My-Files.txt

Ransom Note
All your files are Encrypted! For data recovery needs decryptor. How to buy decryptor: ---------------------------------------------------------------------------------------- | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://decrmbgpvh6kvmti.onion/ | 3. Follow the instructions on this page ---------------------------------------------------------------------------------------- Note! This link is available via "Tor Browser" only. ------------------------------------------------------------ Free decryption as guarantee. Before paying you can send us 1 file for free decryption. ------------------------------------------------------------ alternate address - http://helpinfh6vj47ift.onion/ DO NOT CHANGE DATA BELOW ###s6dlsnhtjwbhr###�����������00 E0 38 B2 BE CD 0D 40 6D F0 3F EC 9F 12 D1 AD BA 82 FD 75 23 26 BB 84 58 A4 40 A9 B6 B1 75 22 84 C5 1A 91 65 49 2F AB 13 68 E6 98 39 7A EB E2 92 1A 3F 6F 20 74 75 84 82 18 BE D3 A6 4E 84 19 C6 E8 9F 0C 74 6B D7 B2 F6 B0 BE 7A 33 B9 3B BF 36 A5 4F F1 83 36 53 C5 0B BF 91 C5 37 7D 30 EA 1D F0 3E 15 08 19 37 D0 D6 EA B3 15 D2 C3 94 0A 94 A6 E5 57 21 AE 06 EE D0 F7 19 0F 1D F6 BB EB 00 95 62 18 6B F8 6B 54 3F 1F 17 D1 02 33 4A 37 51 FC 8C B8 6E FF E4 CD 67 E5 E6 7F 40 17 91 39 7F 17 AE E0 EA B1 A7 73 17 12 42 9B A1 C9 07 0D C8 46 7E 1A 0E 5E B5 37 76 6E C1 41 2E 65 0B 43 9D BD EE DE 55 DD F0 F3 F0 3A B1 F2 9C FD 55 AC 76 5E 77 D2 2A 0F F6 C9 41 AA 8A 72 3A 37 C4 F2 85 82 ED 56 CC 05 E1 97 BB 3A 19 26 56 4B D8 A2 5E 71 37 B6 47 02 9C 42 DC 6E 1D 28 99 F0 A5 E3 ###�������������
URLs

http://decrmbgpvh6kvmti.onion/

http://helpinfh6vj47ift.onion/

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 26 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe
    "C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:2016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:1712
    • C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe
      "C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • NTFS ADS
      PID:1720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe

    Filesize

    243KB

    MD5

    e222299ef243f72a0d45db64601146d3

    SHA1

    e87bdc834dddd85b5b9b931eaccac03a5caabf81

    SHA256

    361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0

    SHA512

    683c5879edd98b9ed0b71c11bfc0857b2fe2a240d73105e78600c24352c094ceb0cdb6eb78fe22a721d4d1946c034afc0d0240b61f62038a5fd4c1bfb80dae14

  • \Users\Admin\AppData\Local\Temp\361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0.exe

    Filesize

    243KB

    MD5

    e222299ef243f72a0d45db64601146d3

    SHA1

    e87bdc834dddd85b5b9b931eaccac03a5caabf81

    SHA256

    361bd552b278cf0d956b787abd984b6c86413d668492613782f856040d8200a0

    SHA512

    683c5879edd98b9ed0b71c11bfc0857b2fe2a240d73105e78600c24352c094ceb0cdb6eb78fe22a721d4d1946c034afc0d0240b61f62038a5fd4c1bfb80dae14

  • memory/1380-58-0x00000000043B0000-0x00000000043B8000-memory.dmp

    Filesize

    32KB

  • memory/1380-55-0x0000000075871000-0x0000000075873000-memory.dmp

    Filesize

    8KB

  • memory/1380-54-0x0000000000370000-0x00000000003B2000-memory.dmp

    Filesize

    264KB

  • memory/1380-60-0x0000000004400000-0x000000000440C000-memory.dmp

    Filesize

    48KB

  • memory/1380-61-0x0000000004F40000-0x0000000004F4C000-memory.dmp

    Filesize

    48KB

  • memory/1380-56-0x0000000002130000-0x000000000215A000-memory.dmp

    Filesize

    168KB

  • memory/1712-59-0x0000000000000000-mapping.dmp

  • memory/1720-63-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1720-64-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1720-66-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1720-67-0x0000000000409F20-mapping.dmp

  • memory/1720-71-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1720-72-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1720-73-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2016-57-0x0000000000000000-mapping.dmp