Analysis
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max time kernel
152s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 21:41
Static task
static1
Behavioral task
behavioral1
Sample
d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe
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Size
116KB
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MD5
4eb00b5760186e4f29be99c87e752879
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SHA1
bd574a98ac06cfe035a921945674c392f47faed1
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SHA256
d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11
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SHA512
b6c15ee6b4109793c131edbaab5bfc5489889f5c2b69cba11ae405d699cf0e0ed7f82393d7c58b2552cbdc22fd64c167708906330965b7628f14e533666432e6
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SSDEEP
1536:KrxBL+Add8Kw6KBOcW4Z8HO1Zwt0f4HfDUEdMOPy9sbgNRwo7JaSi:gCAnfcr1ZoDUEdgwQU
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" buulu.exe -
Executes dropped EXE 1 IoCs
pid Process 1320 buulu.exe -
Loads dropped DLL 2 IoCs
pid Process 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /c" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /x" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /R" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /V" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /s" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /X" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /W" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /k" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /u" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /A" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /t" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /H" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /r" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /C" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /z" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /D" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /f" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /F" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /n" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /i" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /q" buulu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /p" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /N" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /h" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /U" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /B" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /J" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /P" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /T" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /M" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /Q" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /j" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /S" buulu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /g" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /G" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /E" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /o" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /w" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /L" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /Z" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /Y" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /O" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /K" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /v" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /l" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /V" d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /I" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /e" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /y" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /a" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /d" buulu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buulu = "C:\\Users\\Admin\\buulu.exe /b" buulu.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 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe 1320 buulu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 1320 buulu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 836 wrote to memory of 1320 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 27 PID 836 wrote to memory of 1320 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 27 PID 836 wrote to memory of 1320 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 27 PID 836 wrote to memory of 1320 836 d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.exe"C:\Users\Admin\AppData\Local\Temp\d37634afee7d8385c74aa226e5ae0fb3e4d6d282b373bd9849751b2560e21b11.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:836 -
C:\Users\Admin\buulu.exe"C:\Users\Admin\buulu.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:1320
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD57af9e0e24580a411535e8608529afacb
SHA1d89233fcd91e43060e0494bc3177af6083699bc7
SHA25637d9bc80aa3f9e1d88b6b452102e12fadc83ead16c3b1ce65419d97766834b1a
SHA5120c6a7705be8d8d0099c116d1e6d1e8fd4305060acdbb40ef80ceb29d494eea40534154c96a6eaea3712020e7a1812526b53257b8625f45d5048f467e6d359913
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Filesize
116KB
MD57af9e0e24580a411535e8608529afacb
SHA1d89233fcd91e43060e0494bc3177af6083699bc7
SHA25637d9bc80aa3f9e1d88b6b452102e12fadc83ead16c3b1ce65419d97766834b1a
SHA5120c6a7705be8d8d0099c116d1e6d1e8fd4305060acdbb40ef80ceb29d494eea40534154c96a6eaea3712020e7a1812526b53257b8625f45d5048f467e6d359913
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Filesize
116KB
MD57af9e0e24580a411535e8608529afacb
SHA1d89233fcd91e43060e0494bc3177af6083699bc7
SHA25637d9bc80aa3f9e1d88b6b452102e12fadc83ead16c3b1ce65419d97766834b1a
SHA5120c6a7705be8d8d0099c116d1e6d1e8fd4305060acdbb40ef80ceb29d494eea40534154c96a6eaea3712020e7a1812526b53257b8625f45d5048f467e6d359913
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Filesize
116KB
MD57af9e0e24580a411535e8608529afacb
SHA1d89233fcd91e43060e0494bc3177af6083699bc7
SHA25637d9bc80aa3f9e1d88b6b452102e12fadc83ead16c3b1ce65419d97766834b1a
SHA5120c6a7705be8d8d0099c116d1e6d1e8fd4305060acdbb40ef80ceb29d494eea40534154c96a6eaea3712020e7a1812526b53257b8625f45d5048f467e6d359913