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Analysis
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max time kernel
153s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10/03/2024, 01:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe
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Size
248KB
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MD5
4ebd3a7b290aef1f54a87a5f73a7b01c
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SHA1
71ccf640482c057ac90371f15a612fe1ef96ace3
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SHA256
cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4
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SHA512
64bb356b2b5535b219c7c790175df531c5ab8becc8754cb6c815e99ffe54754b625c91549fc0c521264c328ec0c815cd29888617efbb2a4cd3c578ec43e74b2e
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SSDEEP
3072:kOjxevBcDjQdrgUDdCGAX31X7tlcxEHglJsd1/Ab32yZlOsQqO1j99MjJ:SAcdlcX31X7tlMGFTy6sQvm
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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe Set value (int) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" paaub.exe -
Executes dropped EXE 1 IoCs
pid Process 2944 paaub.exe -
Loads dropped DLL 2 IoCs
pid Process 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /u" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /w" cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /g" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /z" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /c" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /v" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /i" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /b" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /x" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /n" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /a" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /t" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /y" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /h" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /k" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /o" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /s" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /j" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /p" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /q" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /e" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /d" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /l" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /m" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /r" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /f" paaub.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\paaub = "C:\\Users\\Admin\\paaub.exe /w" paaub.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe 2944 paaub.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 2944 paaub.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1928 wrote to memory of 2944 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 28 PID 1928 wrote to memory of 2944 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 28 PID 1928 wrote to memory of 2944 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 28 PID 1928 wrote to memory of 2944 1928 cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.exe"C:\Users\Admin\AppData\Local\Temp\cf991837184e1248074523f2a09c9d1a1ef27139e03bc70850595df7b7bd39e4.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:1928 -
C:\Users\Admin\paaub.exe"C:\Users\Admin\paaub.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:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
248KB
MD531aea7c224a521c7135499ebd0e5997f
SHA13411e797de011a907f77100051b3a4182d56e1f9
SHA256ee499f3ee40aba559c21246d6ef8a4edd98f048b344c1f032f560006acfc0f31
SHA512dce4ce7f03d627f43cbabd6fac82596a84823f7e17bc6d65d1ed2ff437fd265d04abd97835b8114bdcedfbb21ef1c33637564e9c4b992494ef4e1a424d5943e2