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Analysis
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max time kernel
150s -
max time network
78s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 15:22
Static task
static1
Behavioral task
behavioral1
Sample
808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe
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Size
256KB
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MD5
04c129b6db906ebd3bd37aa23af55991
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SHA1
94c9d19fe6e52f3c82af5d26fc754fa36fae33d7
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SHA256
808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654
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SHA512
3cdec19644502f679732ee1701e4a037ad52c137e4d89d54d958a4d6a8f127b8786d8b586f856fc637d46505f8cad8a4c74f3843afbca32b101150029346e7f6
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SSDEEP
3072:k3ZVoeI0Plp/nskpCUv5T79fzCC/M7BFsqMabeYiUDoZGA33ygoe:yfxPlptNvl9fm0UBFsqMabeYiUDogmFv
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puuuh.exe -
Executes dropped EXE 1 IoCs
pid Process 1288 puuuh.exe -
Loads dropped DLL 2 IoCs
pid Process 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /W" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /t" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /T" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /n" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /i" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /v" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /N" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /J" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /D" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /e" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /o" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /c" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /x" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /P" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /u" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /y" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /f" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /j" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /F" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /k" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /z" puuuh.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /X" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /s" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /Z" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /O" 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /Q" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /l" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /H" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /K" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /S" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /r" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /g" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /A" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /q" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /a" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /L" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /h" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /R" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /B" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /C" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /Y" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /I" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /E" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /O" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /G" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /p" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /w" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /d" puuuh.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuuh = "C:\\Users\\Admin\\puuuh.exe /V" puuuh.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 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe 1288 puuuh.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 1288 puuuh.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 996 wrote to memory of 1288 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 27 PID 996 wrote to memory of 1288 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 27 PID 996 wrote to memory of 1288 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 27 PID 996 wrote to memory of 1288 996 808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.exe"C:\Users\Admin\AppData\Local\Temp\808c745f87cbe60b1c255c83ef7d34830ec271e8906a28e5acb7a644cf1be654.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:996 -
C:\Users\Admin\puuuh.exe"C:\Users\Admin\puuuh.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:1288
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
256KB
MD564ff1453f2e417b677a4d9be03914431
SHA1ad0504fa86b8f19b568223039ade2aca05661500
SHA256c21b46e221de40f1842fa24a77893d09c5a22ea5b36fb10a9d374694e30e20a3
SHA5126641502ffad6c280dc758f412fe059d090d77d0854318ccf8cd11655237ce48b9e9d45df054cda58f88959d76112f24ffa9533528aab7fd163e485c9a3889491
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Filesize
256KB
MD564ff1453f2e417b677a4d9be03914431
SHA1ad0504fa86b8f19b568223039ade2aca05661500
SHA256c21b46e221de40f1842fa24a77893d09c5a22ea5b36fb10a9d374694e30e20a3
SHA5126641502ffad6c280dc758f412fe059d090d77d0854318ccf8cd11655237ce48b9e9d45df054cda58f88959d76112f24ffa9533528aab7fd163e485c9a3889491
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Filesize
256KB
MD564ff1453f2e417b677a4d9be03914431
SHA1ad0504fa86b8f19b568223039ade2aca05661500
SHA256c21b46e221de40f1842fa24a77893d09c5a22ea5b36fb10a9d374694e30e20a3
SHA5126641502ffad6c280dc758f412fe059d090d77d0854318ccf8cd11655237ce48b9e9d45df054cda58f88959d76112f24ffa9533528aab7fd163e485c9a3889491
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Filesize
256KB
MD564ff1453f2e417b677a4d9be03914431
SHA1ad0504fa86b8f19b568223039ade2aca05661500
SHA256c21b46e221de40f1842fa24a77893d09c5a22ea5b36fb10a9d374694e30e20a3
SHA5126641502ffad6c280dc758f412fe059d090d77d0854318ccf8cd11655237ce48b9e9d45df054cda58f88959d76112f24ffa9533528aab7fd163e485c9a3889491