General
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Target
tmp
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Size
95KB
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Sample
230504-xtk78agd7y
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MD5
92e79e8ed958f7289702c96fe03de5a5
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SHA1
e16dede58a351b4bcc4e7b973fdec6c3ec3e98ce
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SHA256
d540f75897495102dd30eaa924623ac40415e8a716bdcbadf7d7c9a00feb5c97
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SHA512
fa0225f2f28eefd066a4d803586f7edcd3416b05c64ee6070e3d55a327ba7d68d245b7f669975d9aa34d7edc3a585fe05e633a38dfa19469488c58e09b832943
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SSDEEP
1536:BfbO0u8DiUPCrElGBWHNC68MVlPjgNJiWUex4bmR+w/Y2tKSG8xB2ncSVKC29m+l:VbEUPCrElGsHNC68MVlPjgNJiWUexfNh
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
http://62.204.41.23/o.png
Extracted
http://62.204.41.23/r.png
Extracted
http://62.204.41.23/file.png
Extracted
systembc
185.161.248.16:4440
Extracted
redline
[ PRO ]
185.161.248.16:26885
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auth_value
b4958da54d1cdd9d9b28330afda1cc3c
Targets
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Target
tmp
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Size
95KB
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MD5
92e79e8ed958f7289702c96fe03de5a5
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SHA1
e16dede58a351b4bcc4e7b973fdec6c3ec3e98ce
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SHA256
d540f75897495102dd30eaa924623ac40415e8a716bdcbadf7d7c9a00feb5c97
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SHA512
fa0225f2f28eefd066a4d803586f7edcd3416b05c64ee6070e3d55a327ba7d68d245b7f669975d9aa34d7edc3a585fe05e633a38dfa19469488c58e09b832943
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SSDEEP
1536:BfbO0u8DiUPCrElGBWHNC68MVlPjgNJiWUex4bmR+w/Y2tKSG8xB2ncSVKC29m+l:VbEUPCrElGsHNC68MVlPjgNJiWUexfNh
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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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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XMRig Miner payload
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Blocklisted process makes network request
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Downloads MZ/PE file
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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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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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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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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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