Analysis
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max time kernel
39s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 03:49
Static task
static1
Behavioral task
behavioral1
Sample
b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe
Resource
win10v2004-20221111-en
General
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Target
b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe
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Size
157KB
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MD5
a73cf3e0f5ba0f000bf881ca955e3204
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SHA1
56c2b8605f43717a18addb90982b51c8b5e9152f
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SHA256
b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c
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SHA512
64f486c0902b966005d8e751eac8cec47b627bdcd4851bd51c0ae2803e2e11c47ff59dc6291c6cf215313448cca20e0b54a6b160f492566a4f6524bb16ef77a5
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SSDEEP
1536:4V8x0vGtUBqgbDUL/0P8gl9kMtIJPslQMGnhshBnpfzLzFoyPjeSVOzB9yWyLDNh:b09qiDr8glW2lMhszFTmyEByLpxW+sZI
Malware Config
Signatures
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Modifies visibility of file extensions 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\HideFileExt = "1" b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe -
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" b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\H: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\G: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\Y: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\V: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\U: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\S: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\J: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\R: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\P: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\N: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\E: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\Z: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\X: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\W: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\T: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\K: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\F: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\Q: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\O: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\M: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened (read-only) \??\L: b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\OFFICE14\EXCEL.EXE b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened for modification C:\PROGRA~2\MICROS~1\OFFICE14\GROOVE.EXE b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe File opened for modification C:\PROGRA~2\MICROS~1\OFFICE14\INFOPATH.EXE b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.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 1 IoCs
pid Process 1344 b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe"C:\Users\Admin\AppData\Local\Temp\b97b6e6e94474ff1085c7f6af441930d2e8229627e89e910363313164aa00f7c.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1344