Analysis
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max time kernel
184s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 09:36
Static task
static1
Behavioral task
behavioral1
Sample
04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe
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Size
92KB
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MD5
676901c25dba0796fe785e53f2c30ebf
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SHA1
06d319de5c729aec0b08ae21f9399086c9f4e6aa
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SHA256
04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9
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SHA512
4897cbfe03f4d697784763b85bb2eb9087eef06c195cd67ecd1d4445f57a7175ae1a2b66b978b3bb8ac377bc375c13e98a22321cdeaae83af96db5acdea04f37
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SSDEEP
1536:4bbpa4bCX/KTaa//rDOE6IsnoOsSjimLWORUEB:O84WBaiIsorSemL9PB
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" 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nouuc.exe -
Executes dropped EXE 2 IoCs
pid Process 4496 nouuc.exe 1272 nouuc.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 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /t" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /d" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /c" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /e" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /g" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /l" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /j" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /v" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /w" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /y" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /q" nouuc.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /k" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /h" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /b" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /p" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /n" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /o" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /b" 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /r" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /s" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /x" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /u" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /a" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /z" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /m" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /f" nouuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nouuc = "C:\\Users\\Admin\\nouuc.exe /i" nouuc.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum nouuc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 nouuc.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf nouuc.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 616 set thread context of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 4496 set thread context of 1272 4496 nouuc.exe 82 -
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 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe 1272 nouuc.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 4496 nouuc.exe 1272 nouuc.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 616 wrote to memory of 4676 616 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 80 PID 4676 wrote to memory of 4496 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 81 PID 4676 wrote to memory of 4496 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 81 PID 4676 wrote to memory of 4496 4676 04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe 81 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82 PID 4496 wrote to memory of 1272 4496 nouuc.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe"C:\Users\Admin\AppData\Local\Temp\04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:616 -
C:\Users\Admin\AppData\Local\Temp\04384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9.exe0712⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Users\Admin\nouuc.exe"C:\Users\Admin\nouuc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Users\Admin\nouuc.exe0714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1272
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
92KB
MD5676901c25dba0796fe785e53f2c30ebf
SHA106d319de5c729aec0b08ae21f9399086c9f4e6aa
SHA25604384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9
SHA5124897cbfe03f4d697784763b85bb2eb9087eef06c195cd67ecd1d4445f57a7175ae1a2b66b978b3bb8ac377bc375c13e98a22321cdeaae83af96db5acdea04f37
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Filesize
92KB
MD5676901c25dba0796fe785e53f2c30ebf
SHA106d319de5c729aec0b08ae21f9399086c9f4e6aa
SHA25604384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9
SHA5124897cbfe03f4d697784763b85bb2eb9087eef06c195cd67ecd1d4445f57a7175ae1a2b66b978b3bb8ac377bc375c13e98a22321cdeaae83af96db5acdea04f37
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Filesize
92KB
MD5676901c25dba0796fe785e53f2c30ebf
SHA106d319de5c729aec0b08ae21f9399086c9f4e6aa
SHA25604384c384f61937ff7ee7586b6b0fb58565050071eac89c77f7bcd11bc9678a9
SHA5124897cbfe03f4d697784763b85bb2eb9087eef06c195cd67ecd1d4445f57a7175ae1a2b66b978b3bb8ac377bc375c13e98a22321cdeaae83af96db5acdea04f37