General
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Target
file.exe
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Size
660KB
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Sample
230204-bf3z8aca54
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MD5
10ea41fd11c557045c27e5c2c6c2e7ba
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SHA1
edaaa8fb82e0aeb17e75a6b2d151433cc03751fd
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SHA256
ba6f1f7315c383583acb3caf2f7a74c89d3977cbf5ee19bb8bcc1a1455dc9317
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SHA512
156d85b7f430e404e46148c33c61ddb2da09c7b96db02f6921b0929d918d8dacf47a489c2535b7dfb70c4e489c230b579aba03084abcb77cf2518431a97fd980
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SSDEEP
12288:0G7Fy909rmBsLOCgFSiYBwwSP43mjc+I3/VWPbajAw3TJDuQTJyNiwF/NJi5LTg8:fyirmYOCw1YMg3m+/VS+p35BdGF/sLF
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
redline
redko
62.204.41.170:4179
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auth_value
9bcf7b0620ff067017d66b9a5d80b547
Extracted
redline
gonka
62.204.41.170:4179
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auth_value
f017b1096da5cc257f8ca109051c5fbb
Extracted
amadey
3.66
62.204.41.5/Bu58Ngs/index.php
62.204.41.88/9vdVVVjsw/index.php
Extracted
redline
temposs6678
82.115.223.9:15486
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auth_value
af399e6a2fe66f67025541cf71c64313
Extracted
redline
Flow!
45.66.230.190:28356
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auth_value
529267838bbc2c78e754e9ca2dd2e0f0
Targets
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Target
file.exe
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Size
660KB
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MD5
10ea41fd11c557045c27e5c2c6c2e7ba
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SHA1
edaaa8fb82e0aeb17e75a6b2d151433cc03751fd
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SHA256
ba6f1f7315c383583acb3caf2f7a74c89d3977cbf5ee19bb8bcc1a1455dc9317
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SHA512
156d85b7f430e404e46148c33c61ddb2da09c7b96db02f6921b0929d918d8dacf47a489c2535b7dfb70c4e489c230b579aba03084abcb77cf2518431a97fd980
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SSDEEP
12288:0G7Fy909rmBsLOCgFSiYBwwSP43mjc+I3/VWPbajAw3TJDuQTJyNiwF/NJi5LTg8:fyirmYOCw1YMg3m+/VS+p35BdGF/sLF
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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Loads dropped DLL
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Uses the VBS compiler for execution
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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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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 v6
Persistence
Bootkit
1Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
2Modify Registry
3Scripting
1Virtualization/Sandbox Evasion
1