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Analysis
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max time kernel
120s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 11:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe
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Size
88KB
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MD5
905231dd220ff82ca53e36234e5ce530
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SHA1
0e58f6fa34ce07b5b74c44a0e2f8ac34069dd633
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SHA256
ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4
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SHA512
2e1c348e3f57d3a715895c181cfabab7a3e993cd24a7a50ad7921a50a2f9086b5595dba7ab88f5f0e7b1aa01118efa11bea5462bb4153c0bdc062c3cdb6f1dee
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SSDEEP
768:vAG68qOJ+TtXa4kwHpFeh6gM1rA8dOsc7jUq4RkA5o3K1DfsvtzsXjLft+9o1mm:vAGHqlZK4zLFjnAzA5o6BfItoXjLl0hm
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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ruoicik.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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe -
Executes dropped EXE 1 IoCs
pid Process 4984 ruoicik.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /x" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /e" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /q" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /b" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /q" ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /w" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /t" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /r" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /u" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /p" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /l" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /n" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /s" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /j" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /z" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /d" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /h" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /y" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /k" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /a" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /v" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /o" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /g" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /c" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /m" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /i" ruoicik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruoicik = "C:\\Users\\Admin\\ruoicik.exe /f" ruoicik.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ruoicik.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe 4984 ruoicik.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 4984 ruoicik.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5020 wrote to memory of 4984 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 83 PID 5020 wrote to memory of 4984 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 83 PID 5020 wrote to memory of 4984 5020 ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe"C:\Users\Admin\AppData\Local\Temp\ac72ae1f69438e0f72abceadb1bcc3b559dde503c8cd1340c35ce845c82961b4N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\ruoicik.exe"C:\Users\Admin\ruoicik.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4984
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
88KB
MD56b4603f85a40e5957f84ac01283edb72
SHA1f46275578f134997e3ca11174960783d6bd4446d
SHA25676a984c7630171d9618c9e879f4ad0db7e902c0024493c7242b03b698732f160
SHA512c40c41539467466feef3a705a8bc7beee28b05ecb852627a8699f9b05d1fd17d212ab3635bda34b72908dd17a2a89239fab7927cee751fe4c4a03cfd18db5ab4