General
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Target
C4Loader.exe
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Size
575KB
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Sample
221111-dge1wsgea8
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MD5
f159c8d7601d866641a6d31918d62e9e
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SHA1
2642f901f2d802e864d0a38da5095938ef143abb
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SHA256
eab9a40c5379d460e7d5f3d11c2b766ce8674c2240110e063fecb0c651e0dd67
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SHA512
da8ca4535c7476be5a157867cf516973fe634391be33a007f1c53afa3f8936b868edd3ce22da3e2152c14ed04660375781454ed38247d266a3136cb0f5a2f570
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SSDEEP
12288:ufG4JSQ6SUuy5OR62Cf/tUdCEiYQIF9GPUIcMGCozutXffjqAZgR:ufG4IQ6SUuyOCEiYQg9GPUIRoyfaR
Static task
static1
Behavioral task
behavioral1
Sample
C4Loader.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
C4Loader.exe
Resource
win10v2004-20220812-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
575KB
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MD5
f159c8d7601d866641a6d31918d62e9e
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SHA1
2642f901f2d802e864d0a38da5095938ef143abb
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SHA256
eab9a40c5379d460e7d5f3d11c2b766ce8674c2240110e063fecb0c651e0dd67
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SHA512
da8ca4535c7476be5a157867cf516973fe634391be33a007f1c53afa3f8936b868edd3ce22da3e2152c14ed04660375781454ed38247d266a3136cb0f5a2f570
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SSDEEP
12288:ufG4JSQ6SUuy5OR62Cf/tUdCEiYQIF9GPUIcMGCozutXffjqAZgR:ufG4IQ6SUuyOCEiYQg9GPUIRoyfaR
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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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