Analysis
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max time kernel
44s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 18:20
Static task
static1
Behavioral task
behavioral1
Sample
915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe
Resource
win10v2004-20220901-en
General
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Target
915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe
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Size
52KB
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MD5
d5c51c074723a1a26101973e6a01254d
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SHA1
52cb12a0ca37297478f14d11072a922ec4a41195
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SHA256
915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e
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SHA512
748b890f02805bbd9cf8289245ea7331356ef157b9910781c69116a4935cd7aecf479d349dff779706e4a4ade799f6914e582a025571e0cc140d6f31f6f10fb8
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SSDEEP
1536:gExDPQ9l3ky88x8vTJJ16mQhfWrTflItYtb:VxE9BkX8evTJJmsTflItYtb
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe -
Executes dropped EXE 1 IoCs
pid Process 900 main.exe -
Loads dropped DLL 5 IoCs
pid Process 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 900 main.exe 900 main.exe 900 main.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\taoY.ico 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Messenger\Messenger.kvh 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe File created C:\Program Files (x86)\Optimize\main.exe 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.kvh 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.kvh\ = "JSEFile" 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27 PID 1200 wrote to memory of 900 1200 915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe"C:\Users\Admin\AppData\Local\Temp\915414113bb65a00faebb46f147e7a1ba14a0a9c8b11f139bdc9f41dccb3a43e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Program Files (x86)\Optimize\main.exe"C:\Program Files (x86)\Optimize\main.exe" "C:\Program Files (x86)\Messenger\messenger.kvh"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:900
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
10KB
MD5147add3dfd6e3e636e7756c674dead4b
SHA1aa50f047f5d41086a9fad12ba1149a4e7d4fd6ad
SHA2567ca5d56eb7433065bef86e42cc32fc9c222708ca9dd448da5b6a8c09f06e183f
SHA51220eded712e509e439553ec752c62f5d157e6402fe2e2a09377cb59dea2c68aabdc6567a95790cd235d47799e9397f0abb6c028e9ede5dfae45cc945843baa650
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185
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Filesize
138KB
MD5d1ab72db2bedd2f255d35da3da0d4b16
SHA1860265276b29b42b8c4b077e5c651def9c81b6e9
SHA256047f3c5a7ab0ea05f35b2ca8037bf62dd4228786d07707064dbd0d46569305d0
SHA512b46830742eebc85e731c14f7dc72cc6734fcc79aab46f6080c95589c438c4cca0a069027badc0a8a78e4deeb31cdf38df3d63db679b793212a32efdad7bb8185