Analysis
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max time kernel
153s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 02:55
Static task
static1
Behavioral task
behavioral1
Sample
07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe
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Size
204KB
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MD5
5380a5a79c0165a1bd1e8156c5deecaa
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SHA1
6cdb94858f17964c0419af85e94836d4641bec1b
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SHA256
07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930
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SHA512
09884e32824c61bc53fcc4606847482c350c86c34b4d94e99ced9d0246eb2634bd2128a73ab6cb383a1edd7aec88f0c108bae8be05c88cc57269daa7c0142b06
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SSDEEP
1536:0o9d8HQ4zxHwxvZcxNy3tQ9CW5EZWHakMwP9W6uXNi9f1AWa11GBPIdRONd+w6EB:1iHQ80tQ9nLHbB9W+k9ZJgImCDQ
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" 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ltyeg.exe -
Executes dropped EXE 1 IoCs
pid Process 548 ltyeg.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 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /c" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /p" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /y" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /d" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /h" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /x" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /z" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /r" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /n" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /i" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /k" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /t" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /j" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /o" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /v" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /e" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /l" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /u" ltyeg.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /b" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /s" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /w" 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /w" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /a" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /f" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /m" ltyeg.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /q" ltyeg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ltyeg = "C:\\Users\\Admin\\ltyeg.exe /g" ltyeg.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 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe 548 ltyeg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 548 ltyeg.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5000 wrote to memory of 548 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 85 PID 5000 wrote to memory of 548 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 85 PID 5000 wrote to memory of 548 5000 07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe"C:\Users\Admin\AppData\Local\Temp\07961f9846578f71a6df3dc3ab39a5a2f31c485a98b3a45ff7bb3d3f0abf9930.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Users\Admin\ltyeg.exe"C:\Users\Admin\ltyeg.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:548
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5f8215f39e64a3f242acceebb65cdbd27
SHA1ea7298a6f3ce4aa9d639a05df5ffa331a20a6821
SHA25675c8a46662d7c0d6566b8a92e4f42ac17116eea8c74662b488fd48b1da8d85bf
SHA5121e8b70d94f4f928167f52c0fdb86d51e0aab4f81c1e522af423084bb46c9c0c92eafcc82d0f414432c72e7d54cb77cad103918397c30806a0fac23ebda195235
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Filesize
204KB
MD5f8215f39e64a3f242acceebb65cdbd27
SHA1ea7298a6f3ce4aa9d639a05df5ffa331a20a6821
SHA25675c8a46662d7c0d6566b8a92e4f42ac17116eea8c74662b488fd48b1da8d85bf
SHA5121e8b70d94f4f928167f52c0fdb86d51e0aab4f81c1e522af423084bb46c9c0c92eafcc82d0f414432c72e7d54cb77cad103918397c30806a0fac23ebda195235