Analysis
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max time kernel
151s -
max time network
170s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jaejua.exe -
Executes dropped EXE 1 IoCs
pid Process 956 jaejua.exe -
Loads dropped DLL 2 IoCs
pid Process 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /b" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /g" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /b" jaejua.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /v" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /w" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /q" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /t" jaejua.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /d" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /u" f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /i" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /a" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /n" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /s" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /p" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /c" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /y" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /d" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /l" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /j" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /i" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /u" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /j" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /s" jaejua.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /y" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /m" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /w" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /v" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /u" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /k" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /e" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /o" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /e" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /h" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /f" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /z" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /p" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /c" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /m" jaejua.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /f" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /t" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /k" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /x" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /o" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /x" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /l" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /n" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /q" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /h" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /r" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /r" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /g" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /z" jaejua.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /a" jaejua.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jaejua = "C:\\Users\\Admin\\jaejua.exe /b" jaejua.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 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe 956 jaejua.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 956 jaejua.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 956 jaejua.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1808 wrote to memory of 956 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 28 PID 1808 wrote to memory of 956 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 28 PID 1808 wrote to memory of 956 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 28 PID 1808 wrote to memory of 956 1808 f4a51081077213456429ab4a1fd2efd5912141d583cfa83e032eb4fb123f7941.exe 28
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
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Users\Admin\jaejua.exe"C:\Users\Admin\jaejua.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:956
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
172KB
MD5b9be7d3e31dfd1e6c9c84b2e788fd07d
SHA15d58547361869e309cf028e260372782e18e6e3a
SHA25630cb82165176fb1f0cb5fbbfb21e2d0d5c49d1edb00cbf4706453791bb37785d
SHA51203ac8d03b2c59862667bbe8518cca5e4183500838c4c721ee32c29bf1ac763a501db9e2c4e64722e4b43aee3fb6d205a0399f0701cc8a640aaaf8533ef423104
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Filesize
172KB
MD5b9be7d3e31dfd1e6c9c84b2e788fd07d
SHA15d58547361869e309cf028e260372782e18e6e3a
SHA25630cb82165176fb1f0cb5fbbfb21e2d0d5c49d1edb00cbf4706453791bb37785d
SHA51203ac8d03b2c59862667bbe8518cca5e4183500838c4c721ee32c29bf1ac763a501db9e2c4e64722e4b43aee3fb6d205a0399f0701cc8a640aaaf8533ef423104
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Filesize
172KB
MD5b9be7d3e31dfd1e6c9c84b2e788fd07d
SHA15d58547361869e309cf028e260372782e18e6e3a
SHA25630cb82165176fb1f0cb5fbbfb21e2d0d5c49d1edb00cbf4706453791bb37785d
SHA51203ac8d03b2c59862667bbe8518cca5e4183500838c4c721ee32c29bf1ac763a501db9e2c4e64722e4b43aee3fb6d205a0399f0701cc8a640aaaf8533ef423104
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Filesize
172KB
MD5b9be7d3e31dfd1e6c9c84b2e788fd07d
SHA15d58547361869e309cf028e260372782e18e6e3a
SHA25630cb82165176fb1f0cb5fbbfb21e2d0d5c49d1edb00cbf4706453791bb37785d
SHA51203ac8d03b2c59862667bbe8518cca5e4183500838c4c721ee32c29bf1ac763a501db9e2c4e64722e4b43aee3fb6d205a0399f0701cc8a640aaaf8533ef423104