General

  • Target
    Batch_5.zip
  • Size 10.7MB
  • Sample241122-dnswbstkhy
  • SHA256 51b3773145652b5d559396a08e1282a3a1d92d4df473f774d61791386fca0598
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Public\!!! READ THIS - IMPORTANT !!!.txt

Ransom Note
  • ===============================# aes-ni ransomware #=============================== █████╗ ███████╗███████╗ ███╗ ██╗██╗ ██╔══██╗██╔════╝██╔════╝ ████╗ ██║██║ ███████║█████╗ ███████╗█████╗██╔██╗ ██║██║ ██╔══██║██╔══╝ ╚════██║╚════╝██║╚██╗██║██║ ██║ ██║███████╗███████║ ██║ ╚████║██║ ╚═╝ ╚═╝╚══════╝╚══════╝ ╚═╝ ╚═══╝╚═╝ SPECIAL VERSION: NSA EXPLOIT EDITION INTRO: If you are reading it, your server was attacked with NSA exploits. Make World Safe Again. SORRY! Your files are encrypted. File contents are encrypted with random key (AES-256 bit; ECB mode). Random key is encrypted with RSA public key (2048 bit). We STRONGLY RECOMMEND you NOT to use any "decryption tools". These tools can damage your data, making recover IMPOSSIBLE. Also we recommend you not to contact data recovery companies. They will just contact us, buy the key and sell it to you at a higher price. If you want to decrypt your files, you have to get RSA private key. In order to get private key, write here: [email protected] [email protected] [email protected] IMPORTANT: In some cases malware researchers can block our e-mails. If you did not receive any answer on e-mail in 48 hours, please do not panic and write to BitMsg (https://bitmsg.me) address: BM-2cVgoJS8HPMkjzgDMVNAGg5TG3bb1TcfhN or create topic on https://www.bleepingcomputer.com/ and we will find you there. If someone else offers you files restoring, ask him for test decryption. Only we can successfully decrypt your files; knowing this can protect you from fraud. You will receive instructions of what to do next. You MUST refer this ID in your message: VORHPBAB#1E68ACCEA97440EF2D798BF01E84EF76 Also you MUST send all ".key.aes_ni_0day" files from C:\ProgramData if there are any. ===============================# aes-ni ransomware #===============================
URLs
  • https://bitmsg.me

  • https://www.bleepingcomputer.com/

Targets

    • Target
      AES-NI.exe
    • Size 999KB
    • SHA256 4142ff4667f5b9986888bdcb2a727db6a767f78fe1d5d4ae3346365a1d70eb76
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (8207) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      Abrechnung.exe
    • Size 103KB
    • SHA256 7d9fc496bc0ade736bf75e05564e9c93167362ef18450d75222deef0664f9ed5
    • MD5 SHA1 SHA512 SSDEEP
    • Disables RegEdit via registry modification

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      Box (2).exe
    • Size 438KB
    • SHA256 a2380a5f503bc6f5fcfd4c72e5b807df0740a60a298e8686bf6454f92e5d3c02
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Box.exe
    • Size 440KB
    • SHA256 63a6c3864b0a51c790d8d0312137995eb16710178aaaebfe34fa5e57caff9b36
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43.exe
    • Size 212KB
    • SHA256 a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43
    • MD5 SHA1 SHA512 SSDEEP
    • Target
      a7768f4973ad7cf8217212a4d12dbae0.exe
    • Size 380KB
    • SHA256 c8ea293b1ad5343dde79c6e095c134e4100fdaf47c84eac5e3012eae0b0125a2
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • UAC bypass

    • Drops startup file

    • Checks whether UAC is enabled

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      aa7ff3bc285bcb4ec48bf2f361f0ad0a1d9fc8f17b7323d2f0615ade68973c1e.exe
    • Size 550KB
    • SHA256 aa7ff3bc285bcb4ec48bf2f361f0ad0a1d9fc8f17b7323d2f0615ade68973c1e
    • MD5 SHA1 SHA512 SSDEEP
    • Drops startup file

    • Adds Run key to start application

    • Target
      aace43af8d0932a7b01c5b8fb71c8199.exe
    • Size 2.7MB
    • SHA256 3bc78141ff3f742c5e942993adfbef39c2127f9682a303b5e786ed7f9a8d184b
    • MD5 SHA1 SHA512 SSDEEP
    • Indicator Removal: Network Share Connection Removal

      Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

    • Target
      ad3cc219a818047d6d3c38a8e4662e21dfedc858578cb2bde2c127d66dfeb7de_PonyNews.exe
    • Size 216KB
    • SHA256 ad3cc219a818047d6d3c38a8e4662e21dfedc858578cb2bde2c127d66dfeb7de
    • MD5 SHA1 SHA512 SSDEEP
    • Pony family

    • Pony,Fareit

      Pony is a Remote Access Trojan application that steals information.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target
      aee03626b83a88b71b06899116cb7ce4b8092365103d69792b0c2d7153f24cb1.exe
    • Size 218KB
    • SHA256 aee03626b83a88b71b06899116cb7ce4b8092365103d69792b0c2d7153f24cb1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Target
      afd3b729cf99fb9ea441f42862a4835d1d6eeb36ee535f9b206e3a00382c972e.exe
    • Size 164KB
    • SHA256 afd3b729cf99fb9ea441f42862a4835d1d6eeb36ee535f9b206e3a00382c972e
    • MD5 SHA1 SHA512 SSDEEP
    • HydraCrypt

      Relatively unsophisticated ransomware family based on leaked CrypBoss source code.

    • Hydracrypt family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (474) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    • Target
      b56c4569d639e8ce104d9e52dffeba6d18813c058887a3404350904811f32d54_not_packed_maybe_useless.exe
    • Size 53KB
    • SHA256 b56c4569d639e8ce104d9e52dffeba6d18813c058887a3404350904811f32d54
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      b7989d9eacb5a8b224fd183f6ba65e4e6bd30a4f0e4e1a299f0d2b63dcb56730_Archive_useless.exe
    • Size 110KB
    • SHA256 b7989d9eacb5a8b224fd183f6ba65e4e6bd30a4f0e4e1a299f0d2b63dcb56730
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      zsgblrbrumorwxfizuke.exe
    • Size 80KB
    • SHA256 19ec0d0e5143940492a1c79c06eb8f18aa9feb356e41b8b79fdc6a16a3bcd7bf
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

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

    • Adds Run key to start application

    • Target
      b7d9f11c166fa1a4ceef446dd9c8561c77115cb3ce4910a056dd6a361338a2b0.exe
    • Size 518KB
    • SHA256 b7d9f11c166fa1a4ceef446dd9c8561c77115cb3ce4910a056dd6a361338a2b0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      b8f60c64c70f03c263bf9e9261aa157a73864aaf.exe
    • Size 33KB
    • SHA256 c0fcf3ac6b125e985c6574ed7ef1a7929f3be8f6487b68e4d58a48a3b1517b5d
    • MD5 SHA1 SHA512 SSDEEP
    • Detected Xorist Ransomware

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

    • Xorist family

    • Renames multiple (2188) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops file in Drivers directory

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      Saldo.Pdf______________________________________________________________.exe
    • Size 446KB
    • SHA256 89e71eb0a6403725d2f95cb9e6506b8b139a6948a61dc1c5cfedf18648241ec4
    • MD5 SHA1 SHA512 SSDEEP
    • Target
      Transazione.Pdf______________________________________________________________.exe
    • Size 443KB
    • SHA256 4c953b87b35c7764a32cbcde63ea1fb2f1563883f28ef209718604c48ba497e3
    • MD5 SHA1 SHA512 SSDEEP
    • Target
      bc557a7bfec430aab3a1b326f35c8d6c1d2de0532263df872b2280af65f32b8f.exe
    • Size 791KB
    • SHA256 bc557a7bfec430aab3a1b326f35c8d6c1d2de0532263df872b2280af65f32b8f
    • MD5 SHA1 SHA512 SSDEEP
    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Target
      bd2d4d43009623941f49554f5932188154fc9d16d820e00db1281d057468b017.exe
    • Size 54KB
    • SHA256 bd2d4d43009623941f49554f5932188154fc9d16d820e00db1281d057468b017
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      be03e43db0b190b879c893102a76183231ea39ec51206d25651a3cacffa8d81d_Dumped_TDS=4F8C315F.exe
    • Size 116KB
    • SHA256 160e7c9806857f1dfae4191a338c4e9341f1f589b6ed72f4cf6e10db483e3af6
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

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

    • Adds Run key to start application

    • Target
      be03e43db0b190b879c893102a76183231ea39ec51206d25651a3cacffa8d81d_TDS=4F90A68A.exe
    • Size 59KB
    • SHA256 be03e43db0b190b879c893102a76183231ea39ec51206d25651a3cacffa8d81d
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

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

    • Adds Run key to start application

    • Target
      be514549a2e654706aeeaa15c8cffce504f0e271c904fe07d865f3999ebaa61f.exe
    • Size 9KB
    • SHA256 be514549a2e654706aeeaa15c8cffce504f0e271c904fe07d865f3999ebaa61f
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (7132) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Target
      bldjad.ex1.exe
    • Size 132KB
    • SHA256 3fb245ab1427cb59a359fb2e910a3a8e7e4535114cf61469001d740305e97200
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      bldjad.exe
    • Size 132KB
    • SHA256 3fb245ab1427cb59a359fb2e910a3a8e7e4535114cf61469001d740305e97200
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      bldjad2.exe
    • Size 179KB
    • SHA256 97e1dd8169a82282ab889ab8b21b78eb64af975d66b136a19252b9b44352cb58
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • Suspicious use of SetThreadContext

    • Target
      c145a26dd6d200080c16300456e7c0bc95f2b71f56d94136619e239e466a04a0.exe
    • Size 26KB
    • SHA256 c145a26dd6d200080c16300456e7c0bc95f2b71f56d94136619e239e466a04a0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      c325092750dd55898c47be7ec8a7622c3bf8d1a79c40b160ef7901c2ef18f5db.exe
    • Size 1.6MB
    • SHA256 c325092750dd55898c47be7ec8a7622c3bf8d1a79c40b160ef7901c2ef18f5db
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      c36c46f4de045ef332decc006694db6e.exe
    • Size 137KB
    • SHA256 4869d9a1cc95998879b95c141f1ea30518d3ea0a0dab9fe5172f80332e1b2df8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      c3dd2e3cf0ebeec7a6c280e187a044a32b54b369a78aaaa89c600a0767b49704.exe
    • Size 56KB
    • SHA256 c3dd2e3cf0ebeec7a6c280e187a044a32b54b369a78aaaa89c600a0767b49704
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Checks computer location settings

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

    • Target
      c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
    • Size 2.4MB
    • SHA256 c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3
    • MD5 SHA1 SHA512 SSDEEP
    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • Target
      c8462829871b7bdb005f4dd881d253aa255a1b2f6f3d89edb1d609b51f5d04fd.exe
    • Size 1.5MB
    • SHA256 c8462829871b7bdb005f4dd881d253aa255a1b2f6f3d89edb1d609b51f5d04fd
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

upx
Score
6/10

behavioral1

credential_accessdiscoveryransomwarestealerupx
Score
10/10

behavioral2

discoveryevasionpersistenceupx
Score
8/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

defense_evasiondiscoveryevasionexecutionimpactpersistenceransomwaretrojan
Score
9/10

behavioral6

discoveryevasionpersistencetrojanupx
Score
10/10

behavioral7

discoverypersistence
Score
7/10

behavioral8

defense_evasiondiscovery
Score
8/10

behavioral9

ponycredential_accessdiscoveryratspywarestealer
Score
10/10

behavioral10

discovery
Score
6/10

behavioral11

hydracryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer
Score
10/10

behavioral12

discovery
Score
3/10

behavioral13

Score
1/10

behavioral14

discoverypersistence
Score
7/10

behavioral15

discoveryupx
Score
5/10

behavioral16

xoristdiscoverypersistenceransomwarespywarestealerupx
Score
10/10

behavioral17

collectiondefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwaretrojan
Score
9/10

behavioral18

collectiondefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwaretrojan
Score
9/10

behavioral19

discoverypersistencespywarestealer
Score
7/10

behavioral20

Score
1/10

behavioral21

discoverypersistence
Score
7/10

behavioral22

discoverypersistence
Score
7/10

behavioral23

credential_accessdiscoverypersistenceransomwarespywarestealer
Score
9/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

discovery
Score
5/10

behavioral27

discovery
Score
3/10

behavioral28

discovery
Score
3/10

behavioral29

discovery
Score
3/10

behavioral30

discovery
Score
7/10

behavioral31

discoverypersistence
Score
7/10

behavioral32

discovery
Score
5/10