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Analysis
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max time kernel
115s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe
Resource
win10v2004-20220812-en
General
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Target
a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe
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Size
124KB
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MD5
2f200b6aaa6165f19d71513d311d9037
-
SHA1
469c214cc5fcf2b00fdbcccefff936ce4b946c31
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SHA256
a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d
-
SHA512
9a4f84a9735ac5d1ae60e9e6eed23d5855b3f7862cde5cb272844d98d49b88ca0106c77d48e30cd3774458757cfb8f8a8c3e14c6e68b6721dba01959ccb8b8a4
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SSDEEP
3072:ca4B5eRp47aJgZeqct7WBB5NcIpomk8fHDJsBqoN1NjbgSn:E524De9UyIpoPOHVOq4rbgSn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1708 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\C575E8A8-16E2-4C95-AE36-0BA9C90710B0 = "C:\\Users\\Admin\\AppData\\Local\\C575E8A8-16E2-4C95-AE36-0BA9C90710B0\\rundll32.exe" a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\Y: rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27 PID 1904 wrote to memory of 1708 1904 a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe"C:\Users\Admin\AppData\Local\Temp\a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Users\Admin\AppData\Local\C575E8A8-16E2-4C95-AE36-0BA9C90710B0\rundll32.exeC:\Users\Admin\AppData\Local\C575E8A8-16E2-4C95-AE36-0BA9C90710B0\rundll32.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
PID:1708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD52f200b6aaa6165f19d71513d311d9037
SHA1469c214cc5fcf2b00fdbcccefff936ce4b946c31
SHA256a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d
SHA5129a4f84a9735ac5d1ae60e9e6eed23d5855b3f7862cde5cb272844d98d49b88ca0106c77d48e30cd3774458757cfb8f8a8c3e14c6e68b6721dba01959ccb8b8a4
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Filesize
124KB
MD52f200b6aaa6165f19d71513d311d9037
SHA1469c214cc5fcf2b00fdbcccefff936ce4b946c31
SHA256a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d
SHA5129a4f84a9735ac5d1ae60e9e6eed23d5855b3f7862cde5cb272844d98d49b88ca0106c77d48e30cd3774458757cfb8f8a8c3e14c6e68b6721dba01959ccb8b8a4
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Filesize
124KB
MD52f200b6aaa6165f19d71513d311d9037
SHA1469c214cc5fcf2b00fdbcccefff936ce4b946c31
SHA256a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d
SHA5129a4f84a9735ac5d1ae60e9e6eed23d5855b3f7862cde5cb272844d98d49b88ca0106c77d48e30cd3774458757cfb8f8a8c3e14c6e68b6721dba01959ccb8b8a4
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Filesize
124KB
MD52f200b6aaa6165f19d71513d311d9037
SHA1469c214cc5fcf2b00fdbcccefff936ce4b946c31
SHA256a662077b200ed65f66af21385833f68de91a86be512fc30b06a006bc6837d78d
SHA5129a4f84a9735ac5d1ae60e9e6eed23d5855b3f7862cde5cb272844d98d49b88ca0106c77d48e30cd3774458757cfb8f8a8c3e14c6e68b6721dba01959ccb8b8a4