General
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Target
C4Loader.exe
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Size
124KB
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Sample
221111-z17e5sed8v
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MD5
99f682f75994261bd769f11cd33820e7
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SHA1
2d8f77e1aebc274f94c56626fe1a71514c01b439
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SHA256
84374cb55c56fb530ef4f83f655ffeb7463e8c0452d7f13d57535d9e032e761f
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SHA512
00ca067af16d76cd5e344065c3f6c223a5e35bf79b67759bfed26e1994bcbe36ca0ff0cfc10c4175659813a1501d8e5d9d64fbcaf98d92459ca052f15ff0f0db
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SSDEEP
3072:x8Bwf9nPJ6+qVDRhIJTz7y1bJs6Httemsk3QnDPofdc:x8Snh2RIEJsKetudc
Static task
static1
Behavioral task
behavioral1
Sample
C4Loader.exe
Resource
win7-20220812-en
Malware Config
Extracted
redline
1
107.182.129.73:21733
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auth_value
3a5bb0917495b4312d052a0b8977d2bb
Targets
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Target
C4Loader.exe
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Size
124KB
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MD5
99f682f75994261bd769f11cd33820e7
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SHA1
2d8f77e1aebc274f94c56626fe1a71514c01b439
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SHA256
84374cb55c56fb530ef4f83f655ffeb7463e8c0452d7f13d57535d9e032e761f
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SHA512
00ca067af16d76cd5e344065c3f6c223a5e35bf79b67759bfed26e1994bcbe36ca0ff0cfc10c4175659813a1501d8e5d9d64fbcaf98d92459ca052f15ff0f0db
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SSDEEP
3072:x8Bwf9nPJ6+qVDRhIJTz7y1bJs6Httemsk3QnDPofdc:x8Snh2RIEJsKetudc
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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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XMRig Miner payload
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Stops running service(s)
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Loads dropped DLL
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Uses the VBS compiler for execution
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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 SetThreadContext
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