General
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Target
krunker.iohacks.cc
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Size
30.9MB
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Sample
240410-klqrhshf87
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MD5
2850f1cb75953d9e0232344f6a13bf48
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SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
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SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
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SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
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SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
Malware Config
Extracted
http://192.168.5.128/powercat.ps1
Extracted
Protocol: ftp- Host:
files.000webhost.com - Port:
21 - Username:
fcb-aws-host-4
Extracted
C:\Users\Admin\Documents\@Please_Read_Me@.txt
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Extracted
F:\$RECYCLE.BIN\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6c2d0cc32c79ed41
https://mazedecrypt.top/6c2d0cc32c79ed41
Extracted
https://trello.com/1/cards/660a48f3ed8f660125aa4d31/attachments/66153d5497afda6d323e73ae/download/5885.exe
Extracted
C:\Users\Admin\AppData\Local\Temp\RarSFX0\@Please_Read_Me@.txt
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Extracted
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___6PAH_.txt
cerber
http://xpcx6erilkjced3j.onion/ED60-8E4F-0A49-0098-B2A3
http://xpcx6erilkjced3j.1n5mod.top/ED60-8E4F-0A49-0098-B2A3
http://xpcx6erilkjced3j.19kdeh.top/ED60-8E4F-0A49-0098-B2A3
http://xpcx6erilkjced3j.1mpsnr.top/ED60-8E4F-0A49-0098-B2A3
http://xpcx6erilkjced3j.18ey8e.top/ED60-8E4F-0A49-0098-B2A3
http://xpcx6erilkjced3j.17gcun.top/ED60-8E4F-0A49-0098-B2A3
Extracted
C:\PerfLogs\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6bf50cb2acd0583e
https://mazedecrypt.top/6bf50cb2acd0583e
Extracted
lumma
https://appliedgrandyjuiw.shop/api
https://birdpenallitysydw.shop/api
https://cinemaclinicttanwk.shop/api
https://disagreemenywyws.shop/api
https://speedparticipatewo.shop/api
https://fixturewordbakewos.shop/api
https://colorprioritytubbew.shop/api
https://abuselinenaidwjuew.shop/api
https://methodgreenglassdatw.shop/api
Targets
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Target
krunker.iohacks.cc
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Size
30.9MB
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MD5
2850f1cb75953d9e0232344f6a13bf48
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SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
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SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
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SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
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SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
Score10/10-
AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Neshta payload
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Detect Xworm Payload
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Detect ZGRat V1
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HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
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Lumma Stealer
An infostealer written in C++ first seen in August 2022.
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Maze
Ransomware family also known as ChaCha.
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Modifies WinLogon for persistence
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar payload
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Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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UAC bypass
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Wannacry
WannaCry is a ransomware cryptoworm.
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Xworm
Xworm is a remote access trojan written in C#.
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ZGRat
ZGRat is remote access trojan written in C#.
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Async RAT payload
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DCRat payload
Detects payload of DCRat, commonly dropped by NSIS installers.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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Renames multiple (58) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Contacts a large (1366) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Creates new service(s)
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Modifies Windows Firewall
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Office macro that triggers on suspicious action
Office document macro which triggers in special circumstances - often malicious.
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Stops running service(s)
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Modifies system executable filetype association
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Reads WinSCP keys stored on the system
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer
Detects Themida, an advanced Windows software protection system.
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Uses the VBS compiler for execution
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VMProtect packed file
Detects executables packed with VMProtect commercial packer.
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Accesses Microsoft Outlook accounts
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Modifies powershell logging option
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Modify Registry
10Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
1Disable or Modify System Firewall
1Indicator Removal
2File Deletion
2File and Directory Permissions Modification
1Scripting
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Hide Artifacts
1Hidden Files and Directories
1Credential Access
Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1