General
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Target
flstudio_patch_20.9.1.2826.exe
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Size
8.2MB
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Sample
220324-zap36sagbr
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MD5
3bc0439ff61f4c83cad707ad12824ab6
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SHA1
3a7ec6ec46f802cab509ae01adcd3eb6b388c693
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SHA256
f126b9afa2cd5cd134137374f5ed9f8831ffe9816f25fa06f706c4e4701a22f1
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SHA512
778ce6e574a5263fe70dab718f29502ea7a114cf428a8c7d21c48d16f0fbef66f844185b51360ef10f210c383e7a6a5fae946a0a6adea79ade4ada491d507f1d
Static task
static1
Behavioral task
behavioral1
Sample
flstudio_patch_20.9.1.2826.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
flstudio_patch_20.9.1.2826.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
redline
1137502411
193.232.179.34:20856
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auth_value
bf80dce2076c6f3cb9ed05b510f4060e
Targets
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Target
flstudio_patch_20.9.1.2826.exe
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Size
8.2MB
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MD5
3bc0439ff61f4c83cad707ad12824ab6
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SHA1
3a7ec6ec46f802cab509ae01adcd3eb6b388c693
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SHA256
f126b9afa2cd5cd134137374f5ed9f8831ffe9816f25fa06f706c4e4701a22f1
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SHA512
778ce6e574a5263fe70dab718f29502ea7a114cf428a8c7d21c48d16f0fbef66f844185b51360ef10f210c383e7a6a5fae946a0a6adea79ade4ada491d507f1d
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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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XMRig Miner Payload
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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