Analysis
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max time kernel
151s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 20:35
Static task
static1
Behavioral task
behavioral1
Sample
299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe
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Size
156KB
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MD5
6be4aaa195ab4e9cb6061bac65bffd10
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SHA1
606e3aee4ea14d61a2cfbb1ac95ba997831fd0f7
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SHA256
299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589
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SHA512
f7db899273d70c38fb8049a391298f0819d8c6a6332735c92cd85a68cdabdec077aa5491ef881ffbee3c0175956b7ea5ffe3cb042abdb5f7ce29181eb0a3888a
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SSDEEP
3072:7vo0kgEdu3kSESulCVRgQPwU3MppI1zePMThBs4oQZiEKNh:Dofu3ESul9LI1zeEhuWEn
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" frsuur.exe -
Executes dropped EXE 1 IoCs
pid Process 1784 frsuur.exe -
Loads dropped DLL 2 IoCs
pid Process 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /u" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /X" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /W" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /H" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /x" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /P" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /A" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /V" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /N" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /t" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /d" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /U" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /M" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /s" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /F" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /Z" 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /e" frsuur.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /f" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /E" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /Z" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /o" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /C" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /B" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /z" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /r" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /a" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /O" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /K" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /c" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /D" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /L" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /b" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /y" frsuur.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /I" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /p" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /G" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /l" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /h" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /S" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /v" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /w" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /n" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /m" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /k" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /g" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /q" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /J" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /Q" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /i" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /R" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /T" frsuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\frsuur = "C:\\Users\\Admin\\frsuur.exe /Y" frsuur.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 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe 1784 frsuur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 1784 frsuur.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1080 wrote to memory of 1784 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 28 PID 1080 wrote to memory of 1784 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 28 PID 1080 wrote to memory of 1784 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 28 PID 1080 wrote to memory of 1784 1080 299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.exe"C:\Users\Admin\AppData\Local\Temp\299aae592ad01d2ba9c8a6948095e2dc082c0f52a1bd693925a746d5d8f12589.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:1080 -
C:\Users\Admin\frsuur.exe"C:\Users\Admin\frsuur.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:1784
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD5f1d9afcbcb07b449d744df42c6f507d4
SHA1314d99c15dfe338f0ce0d18aaece4bb9405384e3
SHA2563cf8ac190fe0d1e1c3627c0b01222c78059219ab7ca82fce72a9ffa812f3471d
SHA51261291b1c10ed3d1422ba705779e83af1ad584fc5c4dff9997512cdafb33238e80bf00bd68c6d0391f9d95beb15b36a90b38c18e716bf664930e5e4f3e997403a
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Filesize
156KB
MD5f1d9afcbcb07b449d744df42c6f507d4
SHA1314d99c15dfe338f0ce0d18aaece4bb9405384e3
SHA2563cf8ac190fe0d1e1c3627c0b01222c78059219ab7ca82fce72a9ffa812f3471d
SHA51261291b1c10ed3d1422ba705779e83af1ad584fc5c4dff9997512cdafb33238e80bf00bd68c6d0391f9d95beb15b36a90b38c18e716bf664930e5e4f3e997403a
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Filesize
156KB
MD5f1d9afcbcb07b449d744df42c6f507d4
SHA1314d99c15dfe338f0ce0d18aaece4bb9405384e3
SHA2563cf8ac190fe0d1e1c3627c0b01222c78059219ab7ca82fce72a9ffa812f3471d
SHA51261291b1c10ed3d1422ba705779e83af1ad584fc5c4dff9997512cdafb33238e80bf00bd68c6d0391f9d95beb15b36a90b38c18e716bf664930e5e4f3e997403a
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Filesize
156KB
MD5f1d9afcbcb07b449d744df42c6f507d4
SHA1314d99c15dfe338f0ce0d18aaece4bb9405384e3
SHA2563cf8ac190fe0d1e1c3627c0b01222c78059219ab7ca82fce72a9ffa812f3471d
SHA51261291b1c10ed3d1422ba705779e83af1ad584fc5c4dff9997512cdafb33238e80bf00bd68c6d0391f9d95beb15b36a90b38c18e716bf664930e5e4f3e997403a