General
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Target
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b
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Size
1.7MB
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Sample
240515-a442ragg3t
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MD5
c75379fd2ce248f3c7c4c1f87aaf5881
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SHA1
ba6698fb49326316724d9783893ceacd9981efa0
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SHA256
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b
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SHA512
cfbd9b98076d678122f4866b49cf710c487a0500d9f32ecf82f2496bfd281868e39dfa38beb32784497cb14ed76d4ee4bd8cafcdb47e6f35b02c1c7c6c95633c
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SSDEEP
49152:Fq/R36U17fWFkzC9TVLq4Px3QYC9Wq0cn3RXsCHrn:CR369CGTVLd3QYVWR8Cj
Behavioral task
behavioral1
Sample
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b.exe
Resource
win11-20240426-en
Malware Config
Extracted
amadey
4.20
http://5.42.96.141
http://5.42.96.7
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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
risepro
147.45.47.126:58709
Extracted
redline
@CLOUDYTTEAM
185.172.128.33:8970
Extracted
redline
1
185.215.113.67:26260
Extracted
stealc
http://49.13.229.86
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url_path
/c73eed764cc59dcb.php
Targets
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Target
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b
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Size
1.7MB
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MD5
c75379fd2ce248f3c7c4c1f87aaf5881
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SHA1
ba6698fb49326316724d9783893ceacd9981efa0
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SHA256
a91f71fda1d765da071a33e60008cd9c999ab652acf8e44734942a3ed52d0b1b
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SHA512
cfbd9b98076d678122f4866b49cf710c487a0500d9f32ecf82f2496bfd281868e39dfa38beb32784497cb14ed76d4ee4bd8cafcdb47e6f35b02c1c7c6c95633c
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SSDEEP
49152:Fq/R36U17fWFkzC9TVLq4Px3QYC9Wq0cn3RXsCHrn:CR369CGTVLd3QYVWR8Cj
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Detect ZGRat V1
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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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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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Adds Run key to start application
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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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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
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2