Analysis
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max time kernel
150s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
18/10/2022, 12:00
Static task
static1
Behavioral task
behavioral1
Sample
a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe
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Size
100KB
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MD5
f6149523d928613eae77d8e388a32f09
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SHA1
e7f2bd05935fd0f1fbe0ea1e87671b0b84bd5166
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SHA256
a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755
-
SHA512
5e1ff526ea730da1f08c04bfcd165c6693fe23ace8a8f7e03f7b7bdbd9c22ff449d205a23a867898e0c0199dac4087cb55a441e4118e6276d8261c9ef04b9977
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SSDEEP
1536:n3WacX220mQOWxJKIRGWcOUP7vXArnY1ZqAefzyes5NIjnZTA:3CQOFNAfzyeuCnpA
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" a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeuzaig.exe -
Executes dropped EXE 1 IoCs
pid Process 1932 yeuzaig.exe -
Loads dropped DLL 2 IoCs
pid Process 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.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\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /b" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /e" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /y" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /u" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /d" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /M" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /h" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /n" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /I" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /K" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /E" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /t" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /S" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /g" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /W" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /D" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /k" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /a" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /A" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /w" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /z" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /F" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /i" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /C" yeuzaig.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /r" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /m" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /Y" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /f" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /j" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /Q" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /J" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /v" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /Z" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /P" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /U" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /j" a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /L" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /G" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /c" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /l" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /o" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /V" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /T" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /H" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /R" yeuzaig.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /O" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /X" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /q" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /N" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /s" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /x" yeuzaig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeuzaig = "C:\\Users\\Admin\\yeuzaig.exe /B" yeuzaig.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 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe 1932 yeuzaig.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 1932 yeuzaig.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1684 wrote to memory of 1932 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 27 PID 1684 wrote to memory of 1932 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 27 PID 1684 wrote to memory of 1932 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 27 PID 1684 wrote to memory of 1932 1684 a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.exe"C:\Users\Admin\AppData\Local\Temp\a2ea3bdb0d0812fef1524445836731d8217a762e42f8eb39036b117611c5d755.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:1684 -
C:\Users\Admin\yeuzaig.exe"C:\Users\Admin\yeuzaig.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:1932
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
100KB
MD5b4ee0d0c06a1981de2e8275b00df0052
SHA14a52850880ec073de6c068d2a17455ab249d1d60
SHA2567ba701dc09fc1853756da0ea69dcdedadf8c74b62bc69ec376946e7ee0a3ce2f
SHA512bc6009ded712d8fb861853e2e40763c41a5b87d096766e93ab7b19fbe75c4d18872fe1d7670d603ab2c0df31437fe26616bffd676db201e9879f31b3b352a141
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Filesize
100KB
MD5b4ee0d0c06a1981de2e8275b00df0052
SHA14a52850880ec073de6c068d2a17455ab249d1d60
SHA2567ba701dc09fc1853756da0ea69dcdedadf8c74b62bc69ec376946e7ee0a3ce2f
SHA512bc6009ded712d8fb861853e2e40763c41a5b87d096766e93ab7b19fbe75c4d18872fe1d7670d603ab2c0df31437fe26616bffd676db201e9879f31b3b352a141
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Filesize
100KB
MD5b4ee0d0c06a1981de2e8275b00df0052
SHA14a52850880ec073de6c068d2a17455ab249d1d60
SHA2567ba701dc09fc1853756da0ea69dcdedadf8c74b62bc69ec376946e7ee0a3ce2f
SHA512bc6009ded712d8fb861853e2e40763c41a5b87d096766e93ab7b19fbe75c4d18872fe1d7670d603ab2c0df31437fe26616bffd676db201e9879f31b3b352a141
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Filesize
100KB
MD5b4ee0d0c06a1981de2e8275b00df0052
SHA14a52850880ec073de6c068d2a17455ab249d1d60
SHA2567ba701dc09fc1853756da0ea69dcdedadf8c74b62bc69ec376946e7ee0a3ce2f
SHA512bc6009ded712d8fb861853e2e40763c41a5b87d096766e93ab7b19fbe75c4d18872fe1d7670d603ab2c0df31437fe26616bffd676db201e9879f31b3b352a141