Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 20:39
Static task
static1
Behavioral task
behavioral1
Sample
f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe
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Size
172KB
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MD5
05b18d00679326498ccb879a67d5564c
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SHA1
d16892ce71e84f56c3867ded3df9494ecfee2b8a
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SHA256
f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941
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SHA512
784b5f725e724fca0146f49e53fbf47fd6dc93002d56867a48ee45912f0dd3a4cf970fc06ebab2a25aae5abf0d1b7c3a53990c22ca367e328f25522b53752679
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SSDEEP
3072:pZhDLsNgqeXF3mnDMqkVfJX936oDoZqWrvKeG8o:hDLsNgLV3mnDMqkpJX93GZqWry/
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hezac.exe -
Executes dropped EXE 1 IoCs
pid Process 1424 hezac.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /g" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /b" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /r" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /d" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /j" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /x" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /o" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /c" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /a" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /h" hezac.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /n" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /u" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /h" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /x" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /p" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /i" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /v" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /y" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /z" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /q" hezac.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /t" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /i" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /y" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /t" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /k" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /s" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /p" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /f" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /k" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /c" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /b" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /k" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /e" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /l" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /r" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /q" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /w" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /e" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /f" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /s" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /j" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /n" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /m" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /g" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /a" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /o" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /u" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /p" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /d" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /w" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /z" hezac.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /v" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /m" hezac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hezac = "C:\\Users\\Admin\\hezac.exe /l" hezac.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 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe 1424 hezac.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1424 hezac.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 1424 hezac.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3108 wrote to memory of 1424 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 87 PID 3108 wrote to memory of 1424 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 87 PID 3108 wrote to memory of 1424 3108 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe"C:\Users\Admin\AppData\Local\Temp\f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.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:3108 -
C:\Users\Admin\hezac.exe"C:\Users\Admin\hezac.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1424
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD506721d76268bd156b248a21f4c693f5c
SHA17aa5e798550753c4f4d04719e26270e30e32c134
SHA2569cf4a6bc8d5554278bfb608b13ed9362135c95a21b013c9efc0edea53547ecbb
SHA51228cef24ad5edb5da630493b5e6de5328ac574b19c855bac34f71fc61a0ab3d2ef89552bc263741d4895bdb143c64f0197792d51ac244a6b0fa0667e054aab48a
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Filesize
172KB
MD506721d76268bd156b248a21f4c693f5c
SHA17aa5e798550753c4f4d04719e26270e30e32c134
SHA2569cf4a6bc8d5554278bfb608b13ed9362135c95a21b013c9efc0edea53547ecbb
SHA51228cef24ad5edb5da630493b5e6de5328ac574b19c855bac34f71fc61a0ab3d2ef89552bc263741d4895bdb143c64f0197792d51ac244a6b0fa0667e054aab48a