Analysis
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max time kernel
177s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 20:17
Static task
static1
Behavioral task
behavioral1
Sample
4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe
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Size
224KB
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MD5
81e751337cd74324f07dd9afacb0f8df
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SHA1
d778f72e0c75e641f2645e18bbed2687887aed42
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SHA256
4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f
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SHA512
e4227a3800d297bd76f8224b95ed25fa6b8dd157b59a0af5015e84ed6b87734f70e1944e086a717bc8920bff3f39ded8b7b38e0e7f72ff6ed5529109ce5b5ecc
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SSDEEP
3072:13QdvzRLMCKfvhd+V4SHsd8HYXfg23Qbb6oKWI8kVHPb5cf:1gLKn+GKs5Xfmb6NWI8kFPb5k
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" naiolij.exe -
Executes dropped EXE 1 IoCs
pid Process 3224 naiolij.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /e" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /z" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /r" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /y" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /t" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /i" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /q" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /h" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /j" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /c" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /x" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /p" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /k" naiolij.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /s" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /a" 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /b" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /o" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /m" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /g" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /n" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /w" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /l" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /v" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /f" naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /a" naiolij.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ naiolij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\naiolij = "C:\\Users\\Admin\\naiolij.exe /d" naiolij.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum naiolij.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 naiolij.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe 3224 naiolij.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 3224 naiolij.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3376 wrote to memory of 3224 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 78 PID 3376 wrote to memory of 3224 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 78 PID 3376 wrote to memory of 3224 3376 4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe"C:\Users\Admin\AppData\Local\Temp\4d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Users\Admin\naiolij.exe"C:\Users\Admin\naiolij.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3224
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4560
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD581e751337cd74324f07dd9afacb0f8df
SHA1d778f72e0c75e641f2645e18bbed2687887aed42
SHA2564d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f
SHA512e4227a3800d297bd76f8224b95ed25fa6b8dd157b59a0af5015e84ed6b87734f70e1944e086a717bc8920bff3f39ded8b7b38e0e7f72ff6ed5529109ce5b5ecc
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Filesize
224KB
MD581e751337cd74324f07dd9afacb0f8df
SHA1d778f72e0c75e641f2645e18bbed2687887aed42
SHA2564d70b686a38c8b0e3efb55c8d74475c750cdc18285311f42a470903f8553572f
SHA512e4227a3800d297bd76f8224b95ed25fa6b8dd157b59a0af5015e84ed6b87734f70e1944e086a717bc8920bff3f39ded8b7b38e0e7f72ff6ed5529109ce5b5ecc