Analysis
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max time kernel
171s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2022 14:58
Static task
static1
Behavioral task
behavioral1
Sample
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe
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Size
232KB
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MD5
6e6eb7208612f6a62db6d762e232460a
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SHA1
331283b80c2e7ac4f967668a36c0499ffbd77d89
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SHA256
d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b
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SHA512
dfc6e150bd552bc5d3c4fa6d886d0bddb2a194e49406c636481bee608adb05e5a423404177c3b5968fe9c7d46935c4e226987d74078e8bbe95d6ee374f8fc69c
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SSDEEP
3072:YD64wfWRrIMNRlZ62Pal2LBJXmzOHm5WZ3K+MCRfFqTcWEyxeL2mDHLz/5L5DErG:G6zepp3PJXCOGY3eWfFRFyMdL5DEr6U8
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuqaz.exe -
Executes dropped EXE 1 IoCs
pid Process 3272 cuqaz.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /z" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /u" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /c" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /t" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /h" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /k" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /i" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /s" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /y" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /g" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /m" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /w" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /r" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /d" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /x" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /n" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /j" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /e" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /v" cuqaz.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /p" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /q" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /l" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /o" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /f" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /g" d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /b" cuqaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuqaz = "C:\\Users\\Admin\\cuqaz.exe /a" cuqaz.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 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe 3272 cuqaz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 3272 cuqaz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2992 wrote to memory of 3272 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 82 PID 2992 wrote to memory of 3272 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 82 PID 2992 wrote to memory of 3272 2992 d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.exe"C:\Users\Admin\AppData\Local\Temp\d43588d0933f786a770a5153b24fccba909a860b8cced222399d6bd61b19a88b.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:2992 -
C:\Users\Admin\cuqaz.exe"C:\Users\Admin\cuqaz.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:3272
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD51827e4ee6c7ea20ad82d0bf59bf8cac1
SHA1f4175bfadb156ed153025424222311abca98cfc9
SHA2565a4e00e45ea370a61be9c8e29f999edb819de824985c78873983c4c636c7597b
SHA512d9d89cd16a326f7cf0e244d882036ee3acf9e39e08864cf996d37729bffd391aa88f1836f77632f9b982a3232ebfca15ed679f636fc52af6a1cd6c32c928ac9f
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Filesize
232KB
MD51827e4ee6c7ea20ad82d0bf59bf8cac1
SHA1f4175bfadb156ed153025424222311abca98cfc9
SHA2565a4e00e45ea370a61be9c8e29f999edb819de824985c78873983c4c636c7597b
SHA512d9d89cd16a326f7cf0e244d882036ee3acf9e39e08864cf996d37729bffd391aa88f1836f77632f9b982a3232ebfca15ed679f636fc52af6a1cd6c32c928ac9f