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Analysis
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max time kernel
160s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe
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Size
288KB
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MD5
008cc9458ab5b759970218c84497f640
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SHA1
1130fcd45a6bd8479b57c8b78012351fd0799258
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SHA256
871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03
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SHA512
c47d7ffa49d32ef8bae0292884ae86aaf0e6664ba347313b058a3c1c4e03b82bf4924a5df8711704866359e36441c271affe428cb6e069962c09f226464b6fc8
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SSDEEP
3072:AU0nFShQdibOZAksTCPkix7Fe7dEN8EXgNqf5cTrWi6ei2uiTbtTmH8Fe90p06tl:709iTbYJFsE0NMCP6wJYj8t/V3
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" peiaq.exe -
Executes dropped EXE 1 IoCs
pid Process 4968 peiaq.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /L" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /V" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /T" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /Y" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /M" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /w" peiaq.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /C" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /Q" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /y" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /k" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /m" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /W" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /r" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /S" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /t" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /l" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /v" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /g" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /b" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /i" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /N" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /J" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /n" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /s" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /f" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /j" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /u" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /P" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /a" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /q" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /A" peiaq.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /p" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /E" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /Z" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /x" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /H" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /O" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /R" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /z" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /o" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /d" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /h" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /G" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /X" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /m" 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /U" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /e" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /B" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /c" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /D" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /F" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /K" peiaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peiaq = "C:\\Users\\Admin\\peiaq.exe /I" peiaq.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 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe 4968 peiaq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 4968 peiaq.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2364 wrote to memory of 4968 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 79 PID 2364 wrote to memory of 4968 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 79 PID 2364 wrote to memory of 4968 2364 871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.exe"C:\Users\Admin\AppData\Local\Temp\871bc5f8b056e27e56040f6aeaae54d78c3362d4d5e8d4dc62e5adf1fdafac03.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:2364 -
C:\Users\Admin\peiaq.exe"C:\Users\Admin\peiaq.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:4968
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
288KB
MD56f43ed8fed63683c26ac7224cdfc9aa9
SHA1825563a7312ab3f02d47554e3873372eeac402e5
SHA25646904616b7f06ac352d284e67254395b75acd0a82c077023c51da0d95a4f8787
SHA512451318b7c91139707f25b228df3126842acc615f83371fbe71aded199919937de05fe721e7aaaf9b867b910e824b237a355d8c234762a8c170199210ac98de5d
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Filesize
288KB
MD56f43ed8fed63683c26ac7224cdfc9aa9
SHA1825563a7312ab3f02d47554e3873372eeac402e5
SHA25646904616b7f06ac352d284e67254395b75acd0a82c077023c51da0d95a4f8787
SHA512451318b7c91139707f25b228df3126842acc615f83371fbe71aded199919937de05fe721e7aaaf9b867b910e824b237a355d8c234762a8c170199210ac98de5d