General
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Target
be691e2e3943d09017820f89f80951997075b16becae0c95c0be20b0d1b9271b
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Size
331KB
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Sample
211226-blcp8abae9
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MD5
1e1070b01bb26c88051030b51d916425
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SHA1
ae8c11a153d37d92394a0eeeec46850743e2137d
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SHA256
be691e2e3943d09017820f89f80951997075b16becae0c95c0be20b0d1b9271b
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SHA512
6620998c0a4e04075e811f32439c79825bd8dd0ad58645363bed8470c1d98958ebd86c7ea60a33674b8a2c3188ade8917a447560485fc9f058aec674d9acdbe9
Static task
static1
Behavioral task
behavioral1
Sample
be691e2e3943d09017820f89f80951997075b16becae0c95c0be20b0d1b9271b.exe
Resource
win10-en-20211208
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
Extracted
tofsee
parubey.info
patmushta.info
Extracted
redline
1
86.107.197.138:38133
Targets
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Target
be691e2e3943d09017820f89f80951997075b16becae0c95c0be20b0d1b9271b
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Size
331KB
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MD5
1e1070b01bb26c88051030b51d916425
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SHA1
ae8c11a153d37d92394a0eeeec46850743e2137d
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SHA256
be691e2e3943d09017820f89f80951997075b16becae0c95c0be20b0d1b9271b
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SHA512
6620998c0a4e04075e811f32439c79825bd8dd0ad58645363bed8470c1d98958ebd86c7ea60a33674b8a2c3188ade8917a447560485fc9f058aec674d9acdbe9
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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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Arkei Stealer Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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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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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 Matrix ATT&CK v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Modify Registry
4Disabling Security Tools
2Virtualization/Sandbox Evasion
1