Analysis
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max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
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Size
140KB
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MD5
849ab737b936f40bc74b753164aa37a5
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SHA1
16f6b5e79699591ab9d357d129cb898ddcf1fb17
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SHA256
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b
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SHA512
90b10256ee4a4fd02f85742661c2c6a768c4d72e0d78fcc41529707c7a9b0acd8a89660e29196b8bad1b4c97528d1396f92009e36e58172a9dc540381052bbd1
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SSDEEP
3072:K9Pp7FuHCxABX562J7fT4PE6fUeeYkLpE6H94oQZiEy/W9:kFufBJ1J7f8zkSOWL
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" 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pawun.exe -
Executes dropped EXE 1 IoCs
pid Process 1868 pawun.exe -
Loads dropped DLL 2 IoCs
pid Process 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /V" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /p" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /H" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /x" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /O" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /y" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /L" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /M" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /R" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /A" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /K" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /r" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /h" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /B" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /j" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /o" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /Q" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /X" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /U" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /J" pawun.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /i" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /l" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /W" pawun.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /g" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /c" 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /w" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /N" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /E" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /S" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /s" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /m" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /q" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /Z" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /n" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /v" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /b" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /u" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /G" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /D" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /e" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /t" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /c" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /k" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /I" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /d" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /T" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /F" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /P" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /a" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /Y" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /z" pawun.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\pawun = "C:\\Users\\Admin\\pawun.exe /f" pawun.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 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe 1868 pawun.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 1868 pawun.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 960 wrote to memory of 1868 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 27 PID 960 wrote to memory of 1868 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 27 PID 960 wrote to memory of 1868 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 27 PID 960 wrote to memory of 1868 960 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe"C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.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:960 -
C:\Users\Admin\pawun.exe"C:\Users\Admin\pawun.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:1868
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD5f43132296f39d29440a424b6dab53ddc
SHA1ec524226bc5f3e4df3c2e7301d2e350c7479e48d
SHA256d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993
SHA51205351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061
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Filesize
140KB
MD5f43132296f39d29440a424b6dab53ddc
SHA1ec524226bc5f3e4df3c2e7301d2e350c7479e48d
SHA256d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993
SHA51205351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061
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Filesize
140KB
MD5f43132296f39d29440a424b6dab53ddc
SHA1ec524226bc5f3e4df3c2e7301d2e350c7479e48d
SHA256d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993
SHA51205351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061
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Filesize
140KB
MD5f43132296f39d29440a424b6dab53ddc
SHA1ec524226bc5f3e4df3c2e7301d2e350c7479e48d
SHA256d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993
SHA51205351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061