Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe
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Size
88KB
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MD5
6a860dc52093d8788209dfcdfd8b6d5c
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SHA1
707a335328c617d9fdd5dc051794c3db4040fb5c
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SHA256
c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961
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SHA512
2194dc5a08d8da473faae2a31e13823e05f5f75dcf2c1ce614332fd207363916d3bd6d3fb924885001be4f6693defcaf75f5e013219b8cd96c0e838f4c3dd76f
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SSDEEP
1536:ezUDdaaW1pLDcw3Hr+PaGme76FrknzKLqOP:AUDblOFonzK9
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" quaefo.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe -
Executes dropped EXE 1 IoCs
pid Process 3556 quaefo.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe -
Adds Run key to start application 2 TTPs 25 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /g" quaefo.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /y" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /c" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /s" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /d" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /j" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /x" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /o" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /m" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /p" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /i" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /z" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /a" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /f" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /e" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /v" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /j" c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /u" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /b" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /l" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /n" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /r" quaefo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quaefo = "C:\\Users\\Admin\\quaefo.exe /q" quaefo.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 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe 3556 quaefo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 3556 quaefo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5004 wrote to memory of 3556 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 83 PID 5004 wrote to memory of 3556 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 83 PID 5004 wrote to memory of 3556 5004 c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe"C:\Users\Admin\AppData\Local\Temp\c292df5da5ec342e70d55d67ce64b8f7fd9aeccbeaebb88df98dd6dac6fbe961.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Users\Admin\quaefo.exe"C:\Users\Admin\quaefo.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:3556
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5cd9ea35cbfced0e0ca1c27bbc1351092
SHA1ac2e26386c21b93af26773177955b091bf15963e
SHA25625b896f21c1784704e451f0a0aec553ee1444ad4d0134661e33e610f91891e16
SHA5126a3631123793fe1da8aaca0fa84cec6f2ef86c20eab245d308b6924af86dd5b09c5ac1f190b77d257274ae11ec99a0aa301a30a739ffeed8917498525615b59e
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Filesize
88KB
MD5cd9ea35cbfced0e0ca1c27bbc1351092
SHA1ac2e26386c21b93af26773177955b091bf15963e
SHA25625b896f21c1784704e451f0a0aec553ee1444ad4d0134661e33e610f91891e16
SHA5126a3631123793fe1da8aaca0fa84cec6f2ef86c20eab245d308b6924af86dd5b09c5ac1f190b77d257274ae11ec99a0aa301a30a739ffeed8917498525615b59e