Analysis
-
max time kernel
185s -
max time network
190s -
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, 02:43
Static task
static1
Behavioral task
behavioral1
Sample
b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
-
Target
b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe
-
Size
192KB
-
MD5
624125a1de0e915520e2ec60c921e610
-
SHA1
5c49c67938fac549b8509e495ad5d844a2a39b20
-
SHA256
b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee
-
SHA512
1b46bbd04fdd657ac2f166b7bc9de10dec5cf0b3176f42551d9d226cff614801f1241ee009b717b87b844e1727913c21a5658944f80ea5e312e12a2c5d35fab3
-
SSDEEP
3072:4jjLIxdvKuGr7t5qCRFSoRQg/yqq9Kf5L/SV5qK:YiVCRFSoRQNC5L/hK
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ciuuzi.exe -
Executes dropped EXE 1 IoCs
pid Process 3328 ciuuzi.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /q" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /m" b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /g" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /v" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /j" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /p" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /e" ciuuzi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /w" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /y" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /z" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /h" ciuuzi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /i" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /s" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /c" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /u" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /x" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /d" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /a" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /t" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /b" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /k" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /o" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /l" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /r" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /n" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /m" ciuuzi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciuuzi = "C:\\Users\\Admin\\ciuuzi.exe /f" ciuuzi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe 3328 ciuuzi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 3328 ciuuzi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2168 wrote to memory of 3328 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 82 PID 2168 wrote to memory of 3328 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 82 PID 2168 wrote to memory of 3328 2168 b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe"C:\Users\Admin\AppData\Local\Temp\b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\ciuuzi.exe"C:\Users\Admin\ciuuzi.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:3328
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2772
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
192KB
MD5624125a1de0e915520e2ec60c921e610
SHA15c49c67938fac549b8509e495ad5d844a2a39b20
SHA256b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee
SHA5121b46bbd04fdd657ac2f166b7bc9de10dec5cf0b3176f42551d9d226cff614801f1241ee009b717b87b844e1727913c21a5658944f80ea5e312e12a2c5d35fab3
-
Filesize
192KB
MD5624125a1de0e915520e2ec60c921e610
SHA15c49c67938fac549b8509e495ad5d844a2a39b20
SHA256b0b0f1477c8d7752a5089083806fb583b8b0d64a275454eef2ddfd944ad0a6ee
SHA5121b46bbd04fdd657ac2f166b7bc9de10dec5cf0b3176f42551d9d226cff614801f1241ee009b717b87b844e1727913c21a5658944f80ea5e312e12a2c5d35fab3