General
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Target
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b
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Size
1.9MB
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Sample
240601-r5legaff55
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MD5
1d04aca0b4543e5bbb9351f4f25a2f72
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SHA1
3abe2ec307c710521d7f6439eb800231b65f91e6
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SHA256
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b
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SHA512
46d452ea23cf8dc1496ff17766d9bb7048728ca3b1b683cad8bbd2c42f77c589e287f9e6a35b4b71923c608188bd13f1414401c3e51a9ad62aa2814bc8696872
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SSDEEP
49152:2MR+TBJm620UDWBb4+b7Wpvs9/S0BnaEIxN+RcLr:8BcaUDWimapvsJS0wEI3+6r
Static task
static1
Behavioral task
behavioral1
Sample
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b.exe
Resource
win11-20240426-en
Malware Config
Extracted
amadey
4.21
0e6740
http://147.45.47.155
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install_dir
9217037dc9
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install_file
explortu.exe
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strings_key
8e894a8a4a3d0da8924003a561cfb244
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url_paths
/ku4Nor9/index.php
Extracted
amadey
4.21
49e482
http://147.45.47.70
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install_dir
1b29d73536
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install_file
axplont.exe
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strings_key
4d31dd1a190d9879c21fac6d87dc0043
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url_paths
/tr8nomy/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
asyncrat
AsyncRAT
Fresh
pepecasas123.net:4608
AsyncMutex_5952
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delay
3
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install
false
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install_folder
%AppData%
Extracted
smokeloader
pub2
Extracted
asyncrat
AsyncRAT
Fresh run
pepecasas123.net:4609
AsyncMutex_2952
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delay
3
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install
false
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install_folder
%AppData%
Targets
-
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Target
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b
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Size
1.9MB
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MD5
1d04aca0b4543e5bbb9351f4f25a2f72
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SHA1
3abe2ec307c710521d7f6439eb800231b65f91e6
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SHA256
4fd89a2ee1199947ab7a204312dd8f8184430d51ec56684b64bc338101049d3b
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SHA512
46d452ea23cf8dc1496ff17766d9bb7048728ca3b1b683cad8bbd2c42f77c589e287f9e6a35b4b71923c608188bd13f1414401c3e51a9ad62aa2814bc8696872
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SSDEEP
49152:2MR+TBJm620UDWBb4+b7Wpvs9/S0BnaEIxN+RcLr:8BcaUDWimapvsJS0wEI3+6r
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Async RAT payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Sets service image path 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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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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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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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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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Drops Chrome extension
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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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Drops file in System32 directory
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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
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
10Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2