General

  • Target

    tzw_1.exe

  • Size

    106KB

  • Sample

    230206-1ea1gsbb9v

  • MD5

    341c316be98f624f7321d198c5345bc9

  • SHA1

    d034880d1233d579854e17b6ffad67a18fb33923

  • SHA256

    6d3312e3992dc1244be5518718bb42558057f7ec59a50009892846acf58481d9

  • SHA512

    52458d639d66cc8f09e80bd958e01041c8a24c6d2448f0deaaf643ec5fc6902e4db9491897bc6cd836a766f74e60d5c1a2bd9457dba7a7cae047f0c757e3efa3

  • SSDEEP

    3072:USXsZZXQm4BbJpVIYbQf91G3im/2Ef07JysgIXvjLg2InA5xNyeyvDhORuARBy1/:dHpVCf/mxeBuARO+7b8

Malware Config

Extracted

Path

\??\M:\Boot\cs-CZ\ReadMe.txt

Ransom Note
Attention! All your files, documents, photos, databases and other important files are encrypted The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files. The server with your decryptor is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- 1. Download Tor browser - https://www.torproject.org/ 2. Install Tor browser 3. Open Tor Browser 4. Open link in TOR browser: http://tzw7ckhurmxgcpajx6gy57dkrysl2sigfrt6nk4a3rvedfldigtor7ad.onion/?72YITDOYJT 5. and open ticket ---------------------------------------------------------------------------------------- Alternate communication channel here: https://yip.su/2QstD5
URLs

http://tzw7ckhurmxgcpajx6gy57dkrysl2sigfrt6nk4a3rvedfldigtor7ad.onion/?72YITDOYJT

https://yip.su/2QstD5

Extracted

Path

C:\odt\ReadMe.txt

Ransom Note
Attention! All your files, documents, photos, databases and other important files are encrypted The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files. The server with your decryptor is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- 1. Download Tor browser - https://www.torproject.org/ 2. Install Tor browser 3. Open Tor Browser 4. Open link in TOR browser: http://tzw7ckhurmxgcpajx6gy57dkrysl2sigfrt6nk4a3rvedfldigtor7ad.onion/?72YABDFGIK 5. and open ticket ---------------------------------------------------------------------------------------- Alternate communication channel here: https://yip.su/2QstD5
URLs

http://tzw7ckhurmxgcpajx6gy57dkrysl2sigfrt6nk4a3rvedfldigtor7ad.onion/?72YABDFGIK

https://yip.su/2QstD5

Targets

    • Target

      tzw_1.exe

    • Size

      106KB

    • MD5

      341c316be98f624f7321d198c5345bc9

    • SHA1

      d034880d1233d579854e17b6ffad67a18fb33923

    • SHA256

      6d3312e3992dc1244be5518718bb42558057f7ec59a50009892846acf58481d9

    • SHA512

      52458d639d66cc8f09e80bd958e01041c8a24c6d2448f0deaaf643ec5fc6902e4db9491897bc6cd836a766f74e60d5c1a2bd9457dba7a7cae047f0c757e3efa3

    • SSDEEP

      3072:USXsZZXQm4BbJpVIYbQf91G3im/2Ef07JysgIXvjLg2InA5xNyeyvDhORuARBy1/:dHpVCf/mxeBuARO+7b8

    • Modifies Installed Components in the registry

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks