Resubmissions
31-12-2024 21:35
241231-1fmqnszqft 1031-12-2024 21:27
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241214-y6jqlasrhy 1014-12-2024 20:22
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241212-wymq6ssnat 10General
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Target
241127-xqsswsslej_pw_infected.zip
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Size
12KB
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Sample
241231-1fmqnszqft
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MD5
79fd058f7d06cc022de1786507eb26e3
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SHA1
86590ec8ed73fd2951587561dff5387e9e0e18e6
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SHA256
cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d
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SHA512
8316ac3782c05a3ebea4ca0868e33512e5ef29b251498f3af5ab261cd2010dec6b0eca8a57adcadb0d70653be2e22c0c2c137c7a38ec7b3d5ebbdd02e09c0227
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SSDEEP
384:sBfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWT:wfACW6Dr8HWTHWT
Static task
static1
Behavioral task
behavioral1
Sample
241127-xqsswsslej_pw_infected.zip
Resource
win10v2004-20241007-en
Malware Config
Extracted
Protocol: ftp- Host:
ftpcluster.loopia.se - Port:
21 - Username:
srbreferee.com - Password:
luka2005
Extracted
quasar
1.4.1
Helper Atanka
193.203.238.136:8080
14f39659-ca5b-4af7-8045-bed3500c385f
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encryption_key
11049F2AEBDCF8E3A57474CD5FBA40FB2FFC5424
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install_name
diskutil.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
diskutil
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subdirectory
diskutil
Extracted
asyncrat
0.5.8
Default
6.tcp.eu.ngrok.io:12925
hDtjdONRXVCh
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delay
3
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install
false
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install_folder
%AppData%
Extracted
remcos
RemoteHost
192.210.150.26:8787
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-R1T905
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
xworm
127.0.0.1:48990
147.185.221.22:48990
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Install_directory
%Userprofile%
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install_file
svchost.exe
Extracted
quasar
1.4.1
Manager
serveo.net:11453
a851cc5b-e50f-4270-9929-06c6323cdb3d
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encryption_key
5A3C537E5FB2739D5B2468FC37915D58EF4AC5EA
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install_name
Runtime broker.exe
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log_directory
Microsoftsessential
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reconnect_delay
3000
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startup_key
Runtime broker
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subdirectory
Microsoft_Essentials
Targets
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Target
241127-xqsswsslej_pw_infected.zip
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Size
12KB
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MD5
79fd058f7d06cc022de1786507eb26e3
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SHA1
86590ec8ed73fd2951587561dff5387e9e0e18e6
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SHA256
cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d
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SHA512
8316ac3782c05a3ebea4ca0868e33512e5ef29b251498f3af5ab261cd2010dec6b0eca8a57adcadb0d70653be2e22c0c2c137c7a38ec7b3d5ebbdd02e09c0227
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SSDEEP
384:sBfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWT:wfACW6Dr8HWTHWT
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Asyncrat family
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Detect Vidar Stealer
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Detect Xworm Payload
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Jigsaw family
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Quasar family
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Quasar payload
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Remcos family
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StormKitty payload
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Stormkitty family
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Vidar family
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XMRig Miner payload
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Xmrig family
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Xworm family
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Async RAT payload
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Renames multiple (3767) 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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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Clipboard Data
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
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Deletes itself
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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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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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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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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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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Enumerates processes with tasklist
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Hide Artifacts: Hidden Files and Directories
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Process Discovery
1Query Registry
6Remote System Discovery
1System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
1Wi-Fi Discovery
1