General
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Target
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57
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Size
1.7MB
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Sample
240520-vprhbsaa45
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MD5
b74e25bfe1ef2b74dea5d8955d654c20
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SHA1
a32dc324923d256dbfbf7cfb222862d42f7248d2
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SHA256
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57
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SHA512
4b140ff1bb6aa3d484f321d9713889a1cdd5cd3cbe3b9b10acacb9bf98348a11dbe2b54f2023f6e5b3fd051e9b5bbcf6f72b7b1b2a2bb9434e601aceb0eb4043
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SSDEEP
49152:LjA8ggSDcajICf3Ckh7lzBmwrqNGOHWG/gQtHyftAmYirEI5:Lc8h6Zh7Xmwr+HboQtSlAmYIX
Behavioral task
behavioral1
Sample
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57.exe
Resource
win11-20240508-en
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Extracted
amadey
4.20
c767c0
http://5.42.96.7
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install_dir
7af68cdb52
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install_file
axplons.exe
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strings_key
e2ce58e78f631ed97d01fe7b70e85d5e
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url_paths
/zamo7h/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841
Extracted
redline
@LOGSCLOUDYT_BOT
185.172.128.33:8970
Extracted
redline
1
185.215.113.67:26260
Extracted
stealc
zzvv
http://23.88.106.134
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url_path
/c73eed764cc59dcb.php
Targets
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Target
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57
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Size
1.7MB
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MD5
b74e25bfe1ef2b74dea5d8955d654c20
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SHA1
a32dc324923d256dbfbf7cfb222862d42f7248d2
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SHA256
03b054227a8f087a0b939c8f88d9ab8c11ef6634db7167be7bb07d78808f1e57
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SHA512
4b140ff1bb6aa3d484f321d9713889a1cdd5cd3cbe3b9b10acacb9bf98348a11dbe2b54f2023f6e5b3fd051e9b5bbcf6f72b7b1b2a2bb9434e601aceb0eb4043
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SSDEEP
49152:LjA8ggSDcajICf3Ckh7lzBmwrqNGOHWG/gQtHyftAmYirEI5:Lc8h6Zh7Xmwr+HboQtSlAmYIX
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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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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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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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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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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
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify Tools
3Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2