General
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Target
51D8ECF0ED7ECB364FD78F3FC53F871F.exe
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Size
3.1MB
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Sample
210531-r9nfbstmfe
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MD5
51d8ecf0ed7ecb364fd78f3fc53f871f
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SHA1
03a0a32d8c9dd0f4a97eacde1f010ee5665d2b8a
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SHA256
6a966d8a8bc18b016f35a159c110eb8dd5527b83e39db5fa7300e4634c9cb096
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SHA512
6baf4d67d6dc5ad47658b48e83b1a9d9cb4d49e5f615439232b3817d01a9c7d847e2ac2b280eae8a4b757599462e4fb2ea39e217ec46b6c54b23a18f201f4aff
Static task
static1
Behavioral task
behavioral1
Sample
51D8ECF0ED7ECB364FD78F3FC53F871F.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
51D8ECF0ED7ECB364FD78F3FC53F871F.exe
Resource
win10v20210410
Malware Config
Extracted
smokeloader
2020
http://20xbtc.com/upload/
http://yzsnw.com/upload/
http://kaledebiyat.com/upload/
http://expertizizmir.com/upload/
http://dedkndy.com/upload/
http://theuncu.com/upload/
Extracted
redline
8
wimuawzice.xyz:80
Targets
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Target
51D8ECF0ED7ECB364FD78F3FC53F871F.exe
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Size
3.1MB
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MD5
51d8ecf0ed7ecb364fd78f3fc53f871f
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SHA1
03a0a32d8c9dd0f4a97eacde1f010ee5665d2b8a
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SHA256
6a966d8a8bc18b016f35a159c110eb8dd5527b83e39db5fa7300e4634c9cb096
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SHA512
6baf4d67d6dc5ad47658b48e83b1a9d9cb4d49e5f615439232b3817d01a9c7d847e2ac2b280eae8a4b757599462e4fb2ea39e217ec46b6c54b23a18f201f4aff
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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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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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autoit_exe
AutoIT scripts compiled to PE executables.
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