Analysis
-
max time kernel
150s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:42
Static task
static1
Behavioral task
behavioral1
Sample
a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe
-
Size
276KB
-
MD5
77dff1b57a841f05b3a59cdd3c0f1625
-
SHA1
665dd060614f533b8c90b27143920d2040b89f3e
-
SHA256
a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f
-
SHA512
6baa85577be0a060caa63aa52369876bdc24f20f06c8b593addd08741b95d27463fb7a484e472ddabdd154fed72196286c8d84afc62f572ab3f9bf7f84932356
-
SSDEEP
3072:HCWTo/0Yx+0tQ9nLHbB9WPliBs2HWWEakGJm9BsP3g:HCPM4QxL7B9WPli+yWWEaziL
Score
10/10
Malware Config
Signatures
-
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" a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" poezi.exe -
Executes dropped EXE 1 IoCs
pid Process 1740 poezi.exe -
Loads dropped DLL 2 IoCs
pid Process 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.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\poezi = "C:\\Users\\Admin\\poezi.exe /h" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /t" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /i" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /p" a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /u" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /m" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /g" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /a" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /c" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /w" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /q" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /s" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /d" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /n" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /e" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /l" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /z" poezi.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /f" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /v" poezi.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /y" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /k" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /b" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /j" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /o" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /x" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /p" poezi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\poezi = "C:\\Users\\Admin\\poezi.exe /r" poezi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe 1740 poezi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 1740 poezi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1740 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 28 PID 1996 wrote to memory of 1740 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 28 PID 1996 wrote to memory of 1740 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 28 PID 1996 wrote to memory of 1740 1996 a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.exe"C:\Users\Admin\AppData\Local\Temp\a98f1814bc0fdd9fc52232edcc4abac6ac0f0933a4b10846710c701a0db9851f.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:1996 -
C:\Users\Admin\poezi.exe"C:\Users\Admin\poezi.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:1740
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
276KB
MD576f4c94abc7149a6b8494260a37da8e1
SHA1b6ec5cdf1b497e8ab69bed2f010bcbd8875d9f15
SHA25689937b05185064244de2d7a41cb64c634c9901fde78846be692b9ffdbbb35cde
SHA51273f35b8cbf41ead9e2ed9c464f9f1b78684218f8e7a0e31a3039bab0049d44645b44f85345e2a3540d92f02cd193903ab15b29b0a505efb70db1b9aa9edf6853
-
Filesize
276KB
MD576f4c94abc7149a6b8494260a37da8e1
SHA1b6ec5cdf1b497e8ab69bed2f010bcbd8875d9f15
SHA25689937b05185064244de2d7a41cb64c634c9901fde78846be692b9ffdbbb35cde
SHA51273f35b8cbf41ead9e2ed9c464f9f1b78684218f8e7a0e31a3039bab0049d44645b44f85345e2a3540d92f02cd193903ab15b29b0a505efb70db1b9aa9edf6853
-
Filesize
276KB
MD576f4c94abc7149a6b8494260a37da8e1
SHA1b6ec5cdf1b497e8ab69bed2f010bcbd8875d9f15
SHA25689937b05185064244de2d7a41cb64c634c9901fde78846be692b9ffdbbb35cde
SHA51273f35b8cbf41ead9e2ed9c464f9f1b78684218f8e7a0e31a3039bab0049d44645b44f85345e2a3540d92f02cd193903ab15b29b0a505efb70db1b9aa9edf6853
-
Filesize
276KB
MD576f4c94abc7149a6b8494260a37da8e1
SHA1b6ec5cdf1b497e8ab69bed2f010bcbd8875d9f15
SHA25689937b05185064244de2d7a41cb64c634c9901fde78846be692b9ffdbbb35cde
SHA51273f35b8cbf41ead9e2ed9c464f9f1b78684218f8e7a0e31a3039bab0049d44645b44f85345e2a3540d92f02cd193903ab15b29b0a505efb70db1b9aa9edf6853