General
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Target
e4.exe
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Size
4.5MB
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Sample
220804-np1bxaech8
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MD5
5c371f2d51427f39d793c6df8487346c
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SHA1
8bbc4272d6e36abf84a0d4fac47d49b690bfacdf
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SHA256
e42c63f0af341c2271346774a69bdbceed9cc21f041680bc00e8e0d137340b48
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SHA512
2f0d208bb52a44a085a9aa32169ba75ae3b5de2a552b2196532e59527eb7a0deb16fd87cc7363d7ec82627fdaba4ecf227bf2dd6da6331202a976a07c723ca34
Behavioral task
behavioral1
Sample
e4.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
e4.exe
Resource
win10v2004-20220722-en
Malware Config
Extracted
redline
1488
46.21.250.111:65367
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auth_value
e1f55d6c61f97af563fc8c06a2c97666
Targets
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Target
e4.exe
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Size
4.5MB
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MD5
5c371f2d51427f39d793c6df8487346c
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SHA1
8bbc4272d6e36abf84a0d4fac47d49b690bfacdf
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SHA256
e42c63f0af341c2271346774a69bdbceed9cc21f041680bc00e8e0d137340b48
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SHA512
2f0d208bb52a44a085a9aa32169ba75ae3b5de2a552b2196532e59527eb7a0deb16fd87cc7363d7ec82627fdaba4ecf227bf2dd6da6331202a976a07c723ca34
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Modifies security service
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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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Executes dropped EXE
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Modifies Windows Firewall
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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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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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