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Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
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Size
240KB
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MD5
83cf66e02fdb324e7336d3749ea8ef74
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SHA1
725cd6e7e7f9815e8ad3668e6fdebf9389e13970
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SHA256
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2
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SHA512
a28f5ad9e15be5e980c374f7a979b8a68fecba777e5fc12d82182f154eacaee2b1a1ea2ba51f7a64157436de46d125330eb7778f003ae99ddfd96a3cccae09cf
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SSDEEP
3072:SkN0T8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5czHPS:SL0UGKGkFRKfeoztOu
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bbtin.exe -
Executes dropped EXE 1 IoCs
pid Process 1108 bbtin.exe -
Loads dropped DLL 2 IoCs
pid Process 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /s" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /r" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /b" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /l" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /x" bbtin.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /t" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /p" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /f" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /a" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /g" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /m" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /j" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /k" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /t" b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /v" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /q" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /h" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /u" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /e" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /y" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /n" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /d" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /w" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /z" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /o" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /c" bbtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbtin = "C:\\Users\\Admin\\bbtin.exe /i" bbtin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe 1108 bbtin.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 1108 bbtin.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1800 wrote to memory of 1108 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 28 PID 1800 wrote to memory of 1108 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 28 PID 1800 wrote to memory of 1108 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 28 PID 1800 wrote to memory of 1108 1800 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe"C:\Users\Admin\AppData\Local\Temp\b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\bbtin.exe"C:\Users\Admin\bbtin.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1108
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD5f6f4236418601fecfb64311163186c07
SHA171b5445bd77c04d6a478714f89171e542601f826
SHA25628bfdba602b3fb323c8e039dcb828d6fe9a91696a7aa2e5d12a9ac6892ac6a2b
SHA5123ebccb51cdd460df80492d16effe8b9085829e9acfda26f6bca579489b959061c05dc6ca7f03ef4dd9e808dc70660d3b3a4043f7c6dc7133212e6cb0c8a6dd7a
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Filesize
240KB
MD5f6f4236418601fecfb64311163186c07
SHA171b5445bd77c04d6a478714f89171e542601f826
SHA25628bfdba602b3fb323c8e039dcb828d6fe9a91696a7aa2e5d12a9ac6892ac6a2b
SHA5123ebccb51cdd460df80492d16effe8b9085829e9acfda26f6bca579489b959061c05dc6ca7f03ef4dd9e808dc70660d3b3a4043f7c6dc7133212e6cb0c8a6dd7a
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Filesize
240KB
MD5f6f4236418601fecfb64311163186c07
SHA171b5445bd77c04d6a478714f89171e542601f826
SHA25628bfdba602b3fb323c8e039dcb828d6fe9a91696a7aa2e5d12a9ac6892ac6a2b
SHA5123ebccb51cdd460df80492d16effe8b9085829e9acfda26f6bca579489b959061c05dc6ca7f03ef4dd9e808dc70660d3b3a4043f7c6dc7133212e6cb0c8a6dd7a
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Filesize
240KB
MD5f6f4236418601fecfb64311163186c07
SHA171b5445bd77c04d6a478714f89171e542601f826
SHA25628bfdba602b3fb323c8e039dcb828d6fe9a91696a7aa2e5d12a9ac6892ac6a2b
SHA5123ebccb51cdd460df80492d16effe8b9085829e9acfda26f6bca579489b959061c05dc6ca7f03ef4dd9e808dc70660d3b3a4043f7c6dc7133212e6cb0c8a6dd7a