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Analysis
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max time kernel
151s -
max time network
80s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 09:31
Static task
static1
Behavioral task
behavioral1
Sample
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
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Size
204KB
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MD5
123ca854a66c8fc2d1a416a91e4aa620
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SHA1
2a349e8e99fc86b3ac4fec97aa65c8f425f879da
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SHA256
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87
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SHA512
ca0234bd5381c630d6257e37d52afff43401d8dbe265fffe0a37de7a9cd01dd4cd8bc2f75ce0fc48105e78e4be92774b79ca740e3c0e6c99ce541c90cae8f499
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SSDEEP
1536:IU+OoSHo1vzxHwxWVJxNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+wd:BHo1/V50tQ9nLHbB9WTk9+JgqmlZ2N
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muajoe.exe -
Executes dropped EXE 1 IoCs
pid Process 900 muajoe.exe -
Loads dropped DLL 2 IoCs
pid Process 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /c" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /o" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /k" muajoe.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /s" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /y" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /w" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /b" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /l" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /a" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /h" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /z" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /g" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /n" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /c" ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /q" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /r" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /e" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /f" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /j" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /i" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /d" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /x" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /m" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /p" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /u" muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /t" muajoe.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muajoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\muajoe = "C:\\Users\\Admin\\muajoe.exe /v" muajoe.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 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe 900 muajoe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 900 muajoe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 996 wrote to memory of 900 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 27 PID 996 wrote to memory of 900 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 27 PID 996 wrote to memory of 900 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 27 PID 996 wrote to memory of 900 996 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe"C:\Users\Admin\AppData\Local\Temp\ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.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:996 -
C:\Users\Admin\muajoe.exe"C:\Users\Admin\muajoe.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:900
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD58e4fda694f28581ece3ad53f75a41ce8
SHA1d2370d96b59f3d4c07111d5b592ac017456d0f26
SHA25620dcdc687185cd3058e70180a23d5cce727efc6e886cc9557afd3af71a66bde9
SHA512d588456240782ea34bdcb0234bf6b04565756735ee556792ab024bb98dd4d40f43dd23b071eee89cd09d3baec6c8f6169e58efc094bc3b14565cd8803fdc555a
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Filesize
204KB
MD58e4fda694f28581ece3ad53f75a41ce8
SHA1d2370d96b59f3d4c07111d5b592ac017456d0f26
SHA25620dcdc687185cd3058e70180a23d5cce727efc6e886cc9557afd3af71a66bde9
SHA512d588456240782ea34bdcb0234bf6b04565756735ee556792ab024bb98dd4d40f43dd23b071eee89cd09d3baec6c8f6169e58efc094bc3b14565cd8803fdc555a
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Filesize
204KB
MD58e4fda694f28581ece3ad53f75a41ce8
SHA1d2370d96b59f3d4c07111d5b592ac017456d0f26
SHA25620dcdc687185cd3058e70180a23d5cce727efc6e886cc9557afd3af71a66bde9
SHA512d588456240782ea34bdcb0234bf6b04565756735ee556792ab024bb98dd4d40f43dd23b071eee89cd09d3baec6c8f6169e58efc094bc3b14565cd8803fdc555a
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Filesize
204KB
MD58e4fda694f28581ece3ad53f75a41ce8
SHA1d2370d96b59f3d4c07111d5b592ac017456d0f26
SHA25620dcdc687185cd3058e70180a23d5cce727efc6e886cc9557afd3af71a66bde9
SHA512d588456240782ea34bdcb0234bf6b04565756735ee556792ab024bb98dd4d40f43dd23b071eee89cd09d3baec6c8f6169e58efc094bc3b14565cd8803fdc555a