General
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Target
New Text Document.exe.zip
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Size
1KB
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Sample
241128-yc84dstkfn
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MD5
f3910b212669210383b5efcd278818fe
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SHA1
1708977352c5b19d8c126797a34cd1d8eedcfd19
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SHA256
85b8d5214c0bc80b888c6a3404c2a371e3aaba32561d069f454b0af159015396
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SHA512
f6ab525df5e79d59f05ac7618de628e1e5bf956ce8db9add144214c2c8a64282a0ce79c46ca4b88c1f7754ab8cb7f0883a080e1096c9561edb1f455aff95b499
Static task
static1
Behavioral task
behavioral1
Sample
New Text Document.exe.zip
Resource
win11-20241007-en
Malware Config
Extracted
quasar
1.4.1
SGVP
192.168.1.9:4782
150.129.206.176:4782
Ai-Sgvp-33452.portmap.host:33452
a35ec7b7-5a95-4207-8f25-7af0a7847fa5
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encryption_key
09BBDA8FF0524296F02F8F81158F33C0AA74D487
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install_name
User Application Data.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windowns Client Startup
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subdirectory
Quasar
Extracted
quasar
1.4.1
Office04
14.243.221.170:2654
a7b38fdd-192e-4e47-b9ba-ca9eb81cc7bd
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encryption_key
8B9AD736E943A06EAF1321AD479071E83805704C
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install_name
Runtime Broker.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Runtime Broker
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subdirectory
SubDir
Extracted
quasar
1.4.1
ZJEB
VIPEEK1990-25013.portmap.host:25013
ad21b115-2c1b-40cb-adba-a50736b76c21
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encryption_key
3EBA8BC34FA983893A9B07B831E7CEB183F7492D
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Security Service
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subdirectory
SubDir
Extracted
asyncrat
Default
technical-southwest.gl.at.ply.gg:58694
forums-appliances.gl.at.ply.gg:1962
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delay
1
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install
false
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install_folder
%AppData%
Extracted
mercurialgrabber
https://discordapp.com/api/webhooks/1308883657456619530/0_Ad9EyrLZrIMKH4vjM6XHyvCJJtKddsiohDSyvCWZ8HIxpyNxmVJgrKb_zO-jqSHSO0
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
3.70.228.168:555
bslxturcmlpmyqrv
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delay
1
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install
true
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install_file
atat.exe
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install_folder
%AppData%
Extracted
asyncrat
0.5.7B
Default
3.70.228.168:555
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Extracted
asyncrat
0.5.8
Default
66.66.146.74:9511
nwJFeGdDXcL2
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delay
3
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install
true
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install_file
System32.exe
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install_folder
%AppData%
Targets
-
-
Target
New Text Document.exe.zip
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Size
1KB
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MD5
f3910b212669210383b5efcd278818fe
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SHA1
1708977352c5b19d8c126797a34cd1d8eedcfd19
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SHA256
85b8d5214c0bc80b888c6a3404c2a371e3aaba32561d069f454b0af159015396
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SHA512
f6ab525df5e79d59f05ac7618de628e1e5bf956ce8db9add144214c2c8a64282a0ce79c46ca4b88c1f7754ab8cb7f0883a080e1096c9561edb1f455aff95b499
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Asyncrat family
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Detect Umbral payload
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Mercurialgrabber family
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Njrat family
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Quasar family
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Quasar payload
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Umbral family
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Async RAT payload
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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VirtualBox Guest Additions in registry
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Blocklisted process makes network request
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Download via BitsAdmin
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Downloads MZ/PE file
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Drops file in Drivers directory
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Looks for VMWare Tools registry key
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Modifies Windows Firewall
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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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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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
1Persistence
BITS Jobs
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Access Token Manipulation
1Create Process with Token
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Access Token Manipulation
1Create Process with Token
1BITS Jobs
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Authentication Process
1Modify Registry
1Virtualization/Sandbox Evasion
5Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
3Query Registry
13Remote System Discovery
1System Information Discovery
9System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
1Wi-Fi Discovery
1Virtualization/Sandbox Evasion
5