General
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Target
file.exe
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Size
93KB
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Sample
230506-pl6vysbd4z
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MD5
97a78d084446851cb1e74b4bb2045f3a
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SHA1
efdf7e05c2d0b7993d6f4ce6642f2f536116ad36
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SHA256
e0e267a1da22b796f4f8a7b84a81d0f0a461183cdc03d267a75e34d9fc497ccd
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SHA512
d81e584282ba21f5b821e6c237ab5aeb987b009d689eb503f1f7019bb7698f5345a43b470390521928ebb16ca9ac8b6876387fd3987a501ab129e8661d93df2c
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SSDEEP
1536:88bw0uWZGvOZnnlJ5t9UxrAwIVtdSDMvNcNIOOnQl+sb9m+dUs:bbhf5nj1wIvdSDMvNcNIObQso+d9
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
http://62.204.41.23/o.png
Extracted
http://62.204.41.23/r.png
Extracted
http://62.204.41.23/file.png
Extracted
systembc
185.161.248.16:4440
Extracted
redline
[ PRO ]
185.161.248.16:26885
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auth_value
b4958da54d1cdd9d9b28330afda1cc3c
Targets
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Target
file.exe
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Size
93KB
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MD5
97a78d084446851cb1e74b4bb2045f3a
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SHA1
efdf7e05c2d0b7993d6f4ce6642f2f536116ad36
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SHA256
e0e267a1da22b796f4f8a7b84a81d0f0a461183cdc03d267a75e34d9fc497ccd
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SHA512
d81e584282ba21f5b821e6c237ab5aeb987b009d689eb503f1f7019bb7698f5345a43b470390521928ebb16ca9ac8b6876387fd3987a501ab129e8661d93df2c
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SSDEEP
1536:88bw0uWZGvOZnnlJ5t9UxrAwIVtdSDMvNcNIOOnQl+sb9m+dUs:bbhf5nj1wIvdSDMvNcNIObQso+d9
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner payload
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Blocklisted process makes network request
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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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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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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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