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241127-w6pkqs1mek 10General
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Target
Downloaders.zip
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Size
12KB
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Sample
240509-rpy1maha42
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MD5
94fe78dc42e3403d06477f995770733c
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SHA1
ea6ba4a14bab2a976d62ea7ddd4940ec90560586
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SHA256
16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
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SHA512
add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff
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SSDEEP
384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB
Static task
static1
Behavioral task
behavioral1
Sample
Downloaders.zip
Resource
win11-20240426-en
Malware Config
Extracted
xworm
91.92.249.37:9049
aMtkXNimPlkESDx9
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Password: )NYyffR0 - Email To:
[email protected]
Extracted
asyncrat
0.5.8
Default
NvCHbLc8lsi9
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delay
3
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install
false
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install_folder
%AppData%
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pastebin_config
https://pastebin.ai/raw/o87oy6ywss
Extracted
redline
7001210066
https://pastebin.com/raw/KE5Mft0T
Extracted
redline
5637482599
https://pastebin.com/raw/NgsUAPya
Extracted
redline
5345987420
https://pastebin.com/raw/KE5Mft0T
Targets
-
-
Target
Downloaders.zip
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Size
12KB
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MD5
94fe78dc42e3403d06477f995770733c
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SHA1
ea6ba4a14bab2a976d62ea7ddd4940ec90560586
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SHA256
16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
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SHA512
add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff
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SSDEEP
384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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 Blackmoon payload
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Detect Xworm Payload
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Detect ZGRat V1
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Modifies WinLogon for persistence
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Modifies security service
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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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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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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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XMRig Miner payload
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Async RAT payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Sets file execution options in registry
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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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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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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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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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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Drops desktop.ini file(s)
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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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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Checks system information in the registry
System 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
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
10Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Credential Access
Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1