General
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Target
a9a9bd11f6b57775bd12de3f212577f8e1044f6ca3c17d3ac8454163685db9a1
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Size
1.8MB
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Sample
240620-2zvq3awbkq
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MD5
fe98eb6e50b8b06a2afa7a18cafe88e2
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SHA1
fe5ba0701c78dcbb6e80a7e80e9c021257c22a9a
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SHA256
a9a9bd11f6b57775bd12de3f212577f8e1044f6ca3c17d3ac8454163685db9a1
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SHA512
88448ea29ea58f67e5507d13e1e80fa723463c5db674a3e34a9888e809fe47bfa6728e9a540b2204e590b02deb56cec11d6641d504a4fcd6b402b13142f08916
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SSDEEP
49152:IXSk4/CJjNDI6s+nrzirn3GztzMXG+EkQqZNvl5th:IXSVaJjNs6sOcGxzM1EkQaNvl5t
Static task
static1
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
8254624243
e76b71
http://77.91.77.81
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install_dir
8254624243
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install_file
axplong.exe
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strings_key
90049e51fabf09df0d6748e0b271922e
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url_paths
/Kiru9gu/index.php
Extracted
redline
newbild
185.215.113.67:40960
Extracted
risepro
77.91.77.66:58709
Targets
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Target
a9a9bd11f6b57775bd12de3f212577f8e1044f6ca3c17d3ac8454163685db9a1
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Size
1.8MB
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MD5
fe98eb6e50b8b06a2afa7a18cafe88e2
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SHA1
fe5ba0701c78dcbb6e80a7e80e9c021257c22a9a
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SHA256
a9a9bd11f6b57775bd12de3f212577f8e1044f6ca3c17d3ac8454163685db9a1
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SHA512
88448ea29ea58f67e5507d13e1e80fa723463c5db674a3e34a9888e809fe47bfa6728e9a540b2204e590b02deb56cec11d6641d504a4fcd6b402b13142f08916
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SSDEEP
49152:IXSk4/CJjNDI6s+nrzirn3GztzMXG+EkQqZNvl5th:IXSVaJjNs6sOcGxzM1EkQaNvl5t
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Detects Monster Stealer.
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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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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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 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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Drops Chrome extension
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Legitimate hosting services abused for malware hosting/C2
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
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
3Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
3Disable or Modify Tools
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2