Analysis
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max time kernel
150s -
max time network
54s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe
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Size
100KB
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MD5
7d2e4cd208e47ff3ff2cd88a7a5c9aea
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SHA1
b5b517fad6bc1f1658cfe86f215cd7b958c8914f
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SHA256
f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5
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SHA512
41676f8b1380d9b0fe20d6d73eafbeb799c44986c233155a7ae1d8898178790b53cf3e89cf97485e8ea83dd56184d3f626d44cc0414cb5cff4c1d23b0a2bde81
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SSDEEP
1536:jRHi0gNmp4BNRXAEwqScgDz0Bg2PDXJRde/SwvFMYVwC+QaMaS+XjLlm:5F4zDfDXJVI+fS+3s
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" f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ljruow.exe -
Executes dropped EXE 1 IoCs
pid Process 952 ljruow.exe -
Loads dropped DLL 2 IoCs
pid Process 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /t" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /n" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /m" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /d" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /l" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /y" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /w" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /z" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /j" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /k" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /x" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /p" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /b" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /r" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /o" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /d" f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /u" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /i" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /v" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /f" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /s" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /g" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /q" ljruow.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /a" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /c" ljruow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /e" ljruow.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ljruow = "C:\\Users\\Admin\\ljruow.exe /h" ljruow.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 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe 952 ljruow.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 952 ljruow.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1808 wrote to memory of 952 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 28 PID 1808 wrote to memory of 952 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 28 PID 1808 wrote to memory of 952 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 28 PID 1808 wrote to memory of 952 1808 f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.exe"C:\Users\Admin\AppData\Local\Temp\f2cd9a66b39efb9b67dc670ad20d14b33ef1f2cbb9b94cc9c0eb8cdfd8852af5.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:1808 -
C:\Users\Admin\ljruow.exe"C:\Users\Admin\ljruow.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:952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
100KB
MD54fbd3afea5ad24a432596d69c19072b8
SHA18133aeb41f0bf857f79fffef9d590a2ecd91c706
SHA25604c19c6f06c19cdac07bdfada501cf5a74423818674ed1bb4af2235d58ba7d69
SHA5121e4c730db1aebc5ebca6c0826a1fd7caddee0c45c443635eead71be878816b9bbd2fcf811c37c27cc2ffea85ffebc08c2a23cc1291c152db20abc04e9aa21ad2
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Filesize
100KB
MD54fbd3afea5ad24a432596d69c19072b8
SHA18133aeb41f0bf857f79fffef9d590a2ecd91c706
SHA25604c19c6f06c19cdac07bdfada501cf5a74423818674ed1bb4af2235d58ba7d69
SHA5121e4c730db1aebc5ebca6c0826a1fd7caddee0c45c443635eead71be878816b9bbd2fcf811c37c27cc2ffea85ffebc08c2a23cc1291c152db20abc04e9aa21ad2
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Filesize
100KB
MD54fbd3afea5ad24a432596d69c19072b8
SHA18133aeb41f0bf857f79fffef9d590a2ecd91c706
SHA25604c19c6f06c19cdac07bdfada501cf5a74423818674ed1bb4af2235d58ba7d69
SHA5121e4c730db1aebc5ebca6c0826a1fd7caddee0c45c443635eead71be878816b9bbd2fcf811c37c27cc2ffea85ffebc08c2a23cc1291c152db20abc04e9aa21ad2
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Filesize
100KB
MD54fbd3afea5ad24a432596d69c19072b8
SHA18133aeb41f0bf857f79fffef9d590a2ecd91c706
SHA25604c19c6f06c19cdac07bdfada501cf5a74423818674ed1bb4af2235d58ba7d69
SHA5121e4c730db1aebc5ebca6c0826a1fd7caddee0c45c443635eead71be878816b9bbd2fcf811c37c27cc2ffea85ffebc08c2a23cc1291c152db20abc04e9aa21ad2