Analysis
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max time kernel
26s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
21/11/2022, 15:05
Static task
static1
Behavioral task
behavioral1
Sample
6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Resource
win10v2004-20220812-en
General
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Target
6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
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Size
685KB
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MD5
40089b8d40929560a8041b3389f427d0
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SHA1
152c6e1f88833bf2545a575cee2bc2525e397b70
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SHA256
6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
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SHA512
417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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SSDEEP
12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCVb6jc:uRmJkcoQricOIQxiZY1iaCVb8c
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CCleaner.lnk 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe -
Loads dropped DLL 7 IoCs
pid Process 1472 WerFault.exe 1472 WerFault.exe 1472 WerFault.exe 1472 WerFault.exe 1472 WerFault.exe 1472 WerFault.exe 1472 WerFault.exe -
AutoIT Executable 7 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x000800000001230e-56.dat autoit_exe behavioral1/files/0x000800000001230e-57.dat autoit_exe behavioral1/files/0x000800000001230e-59.dat autoit_exe behavioral1/files/0x000800000001230e-58.dat autoit_exe behavioral1/files/0x000800000001230e-60.dat autoit_exe behavioral1/files/0x000800000001230e-61.dat autoit_exe behavioral1/files/0x000800000001230e-62.dat autoit_exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1472 772 WerFault.exe 27 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 772 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 772 wrote to memory of 1472 772 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe 28 PID 772 wrote to memory of 1472 772 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe 28 PID 772 wrote to memory of 1472 772 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe 28 PID 772 wrote to memory of 1472 772 6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe"C:\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe"1⤵
- Drops startup file
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 6122⤵
- Loads dropped DLL
- Program crash
PID:1472
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc
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\Users\Admin\AppData\Local\Temp\6772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73.exe
Filesize685KB
MD540089b8d40929560a8041b3389f427d0
SHA1152c6e1f88833bf2545a575cee2bc2525e397b70
SHA2566772bb9422f7cf2e1ff901755f3ae561d8a494193f3320cd61d0c98bd624da73
SHA512417a0e5d125f95d147595afcf5d20936889e40c806b02163b441817c6c5f2a33bf3a6fa695ac919171c28f58ad9db3a3abaf2f7ea04abff105ad8be3491ecafc