General

  • Target
    slinkyzip.zip
  • Size 1.4MB
  • Sample260806-sfrevsdq71
  • SHA256 c4f7d0c72fef577b60fb6bad87ca3b3a1d96d165059f4c1ab235298e894967af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      slinkyzip.zip
    • Size 1.4MB
    • SHA256 c4f7d0c72fef577b60fb6bad87ca3b3a1d96d165059f4c1ab235298e894967af
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      slinkycracked/VCRUNTIME140.dll
    • Size 83KB
    • SHA256 2b7602cc1521101d116995e3e2ddfe0943349806378a0d40add81ba64e359b6c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      slinkycracked/VCRUNTIME140_1.dll
    • Size 48KB
    • SHA256 1f2d41c4aa5db0bc33ebf7b66d72943a817d7ce6cbe880502a9403823633093f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      slinkycracked/glib-2.0.dll
    • Size 1.2MB
    • SHA256 29f281e0e9ebc9cc7b54af08535509feac1930a60d3d2e2fe9528f77711f04a8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Modifies Windows Firewall

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Target
      slinkycracked/gmodule-2.0.dll
    • Size 29KB
    • SHA256 ed105b46d3a374db93cc79ce058e897b63dfce9bcc3a27d93ab8f254baeae58a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Looks up external IP address via web service

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

    • Modifies Windows Firewall

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • Target
      slinkycracked/gobject-2.0.dll
    • Size 293KB
    • SHA256 2c76ddda266dbada9597eec8d7559b0669c25f2037344c19b4807e4d61b6dcfe
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Target
      slinkycracked/intl.dll
    • Size 109KB
    • SHA256 300d00cc110e0ccc17e74599de80076085a58741fe73772ef6fcb0167c0d64c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Target
      slinkycracked/pcre.dll
    • Size 402KB
    • SHA256 67332a8c1fa3a2bb449aea74cbcff3c64754fafb09c273ae51bafac91deac340
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      slinkycracked/slinkyinjector.exe
    • Size 98KB
    • SHA256 be988c2a54aa46883cafdfb6068e3b77be09dd054aa117f49b7b9e90d324e76f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • Target
      slinkycracked/vmtools.dll
    • Size 867KB
    • SHA256 dbee15d75e4bfc40a0091878009dedf0cca795f224554c91ad776710eb3a76a9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Modifies Windows Firewall

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
5/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

credential_accessdiscoveryexecutionspywarestealer
Score
8/10

behavioral8

defense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer
Score
10/10

behavioral9

execution
Score
8/10

behavioral10

defense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer
Score
10/10

behavioral11

execution
Score
8/10

behavioral12

Score
1/10

behavioral13

credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer
Score
8/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

credential_accessdiscoveryexecutionspywarestealer
Score
8/10

behavioral18

defense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer
Score
10/10

behavioral19

credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer
Score
8/10

behavioral20

command_and_controldefense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer
Score
10/10