General
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Target
setup (1).zip
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Size
201.8MB
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Sample
230221-jsvhlsea82
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MD5
0a504a456d852134006e317fa4b2b58c
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SHA1
9523798d294aabf86f64db732a4314b04c1a0265
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SHA256
c5f1dfbf8d4b1d8d5c43f668292056d5b670fea174e6e79d3cc2ba341d66a21f
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SHA512
d46c71ca8eda42ae6eff316da7bc9aec6e14002dd2e7e400131b40e231949876c4f525ff5281d1fa8c956e4fe905c9b4fe3c45641a858a85246ed2a772896a29
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SSDEEP
3145728:atfMyBMh3TS7IAMPwPhEjdtewveo6tfMyBMh3TS7IAMPwPhEjdtewveoCFW0sRlk:XZhlqEJ8wvH3ZhlqEJ8wvHMW5Rl5Y7
Static task
static1
Behavioral task
behavioral1
Sample
data/vulkan-1.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
data/vulkan-1.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral3
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
setup.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
purecrypter
https://speedysecurity.com.br/images/css/waves/bo/Upjcuf.bmp
Extracted
redline
@fjiif563
45.15.157.131:36457
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auth_value
ef361597d90539bf547a8edad2ebafde
Targets
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Target
data/vulkan-1.dll
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Size
894KB
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MD5
4b29603d5f208f805a5227fa1d6713cc
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SHA1
ef7c6478e26dd2c2f4fc4ecce0b7d710a9023f09
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SHA256
998280e73d8a5d62a25d335b291363d15f3746492ac3d5f4479549f9442c6b9e
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SHA512
f863571fd13aea9bbdd0d96ed671a6cd11f28a3a9677357317b6afc0c8990c23176c1ce68a645057cb2dc09d2fc5d93963b7578ae50aa3636d049b5a68584d31
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SSDEEP
12288:UQgtdWVrC+8eiZB25pL82ZWdAKT0Yo5KE1so3AJLLP:U1dWtNbBZWz6t1svtT
Score3/10 -
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Target
setup.exe
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Size
565.8MB
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MD5
b34cf82d7d10a1c8421ef3fe65e4de46
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SHA1
574c8dd9986952916786b03c0261230a933f3e9d
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SHA256
7e73c496079d96e4ccec427679b791518f25aaca20585a5d54f632064ff880ae
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SHA512
69fb1cb2e37c7b3321ff898aac936233521026834c07b92a7c8fa7885a363f5b2a6d6d455309435802f70827bc7ecb955ed9e4c7a8fdbcde212bc479748647ed
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SSDEEP
1536:8rae78zjORCDGwfdCSog01313fs5gG8m:kahKyd2n31E5d
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Detect PureCrypter injector
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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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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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of SetThreadContext
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