Analysis
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max time kernel
196s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 23:15
Static task
static1
Behavioral task
behavioral1
Sample
713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe
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Size
96KB
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MD5
f644a746751989d8a725ac452743abc0
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SHA1
c6f20a920d4638e44ac518748dc1a28d58193c2d
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SHA256
713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7
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SHA512
f82909b5a22388643aa493ea6cae328df7c44ff92bd11ff349b7c0776b4825a3d9f733f7b4740519e62a2243f3d93f4746b6d04de11133fd12a0a79470c2c258
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SSDEEP
1536:Y3zjtOULMD/2BzqBRpHf8ZyuBs+/PFdI8kIi/e+:UzjtOrD/2B2d8ZyuR7rZ+
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" buiide.exe -
Executes dropped EXE 1 IoCs
pid Process 704 buiide.exe -
Loads dropped DLL 2 IoCs
pid Process 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /g" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /r" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /s" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /x" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /k" buiide.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /n" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /i" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /q" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /b" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /v" buiide.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /p" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /f" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /a" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /d" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /k" 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /h" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /m" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /c" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /e" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /u" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /l" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /t" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /o" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /y" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /w" buiide.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\buiide = "C:\\Users\\Admin\\buiide.exe /j" buiide.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 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe 704 buiide.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 704 buiide.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1228 wrote to memory of 704 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 28 PID 1228 wrote to memory of 704 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 28 PID 1228 wrote to memory of 704 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 28 PID 1228 wrote to memory of 704 1228 713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.exe"C:\Users\Admin\AppData\Local\Temp\713be8e8c592874de0c4db0f74ab7da5c21b5be79679e86bdcb6f075131683b7.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:1228 -
C:\Users\Admin\buiide.exe"C:\Users\Admin\buiide.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:704
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
96KB
MD5a36ab21f1391e027c9844957532291a0
SHA15be54b620d91af29da52253e4dcb9304b18e7b59
SHA256d08de83d08208dbb0907192700d70969e42a8508aa5d6db6a541e3084864361e
SHA512924524b3ee59d65edaabbb6d300ecb1767190b0925cde2cba0275ee1b76a46e2b74a3fe50bb142319f67b53f568c4050e29f6d9cd62b16f9c0aeddb796d65326
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Filesize
96KB
MD5a36ab21f1391e027c9844957532291a0
SHA15be54b620d91af29da52253e4dcb9304b18e7b59
SHA256d08de83d08208dbb0907192700d70969e42a8508aa5d6db6a541e3084864361e
SHA512924524b3ee59d65edaabbb6d300ecb1767190b0925cde2cba0275ee1b76a46e2b74a3fe50bb142319f67b53f568c4050e29f6d9cd62b16f9c0aeddb796d65326
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Filesize
96KB
MD5a36ab21f1391e027c9844957532291a0
SHA15be54b620d91af29da52253e4dcb9304b18e7b59
SHA256d08de83d08208dbb0907192700d70969e42a8508aa5d6db6a541e3084864361e
SHA512924524b3ee59d65edaabbb6d300ecb1767190b0925cde2cba0275ee1b76a46e2b74a3fe50bb142319f67b53f568c4050e29f6d9cd62b16f9c0aeddb796d65326
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Filesize
96KB
MD5a36ab21f1391e027c9844957532291a0
SHA15be54b620d91af29da52253e4dcb9304b18e7b59
SHA256d08de83d08208dbb0907192700d70969e42a8508aa5d6db6a541e3084864361e
SHA512924524b3ee59d65edaabbb6d300ecb1767190b0925cde2cba0275ee1b76a46e2b74a3fe50bb142319f67b53f568c4050e29f6d9cd62b16f9c0aeddb796d65326