General
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Target
c9b70a797816a2a999dd91383ede9476.exe
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Size
138KB
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Sample
210828-wy184s4z76
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MD5
c9b70a797816a2a999dd91383ede9476
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SHA1
2a50d1c449ebff7a4829c28c66c3efbcf47754ad
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SHA256
194fac72068b59295f3c091c72d9df5a62669b18b6f4133d2b8df5e78b1f395b
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SHA512
935e183a2eb323f5c42a16ae05e6269da162771ae540bae3890cbc1a06e7daaa35304b050167f7cfabb23891f500cf0604815fe6e1eb10c82193b564b912fcdb
Static task
static1
Behavioral task
behavioral1
Sample
c9b70a797816a2a999dd91383ede9476.exe
Resource
win7v20210408
Malware Config
Extracted
smokeloader
2020
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
Extracted
redline
185.215.113.29:8678
Extracted
redline
hello
80.66.87.33:36976
Targets
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Target
c9b70a797816a2a999dd91383ede9476.exe
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Size
138KB
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MD5
c9b70a797816a2a999dd91383ede9476
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SHA1
2a50d1c449ebff7a4829c28c66c3efbcf47754ad
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SHA256
194fac72068b59295f3c091c72d9df5a62669b18b6f4133d2b8df5e78b1f395b
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SHA512
935e183a2eb323f5c42a16ae05e6269da162771ae540bae3890cbc1a06e7daaa35304b050167f7cfabb23891f500cf0604815fe6e1eb10c82193b564b912fcdb
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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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Downloads MZ/PE file
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Executes dropped EXE
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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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Modifies file permissions
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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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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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