Analysis
- max time kernel
153s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
03/03/2024, 10:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe
- Size 204KB
- Sample240303-m1247she3s
- SHA256 940cd94e6a57f96fed7ab645a707fb132eba70ad4bce03fa7d9891490cbe9610
- MD5 b3e986980c43236c05bfa8f960ee82b1
- SHA1 cd5558ef086327cc1b325c2b1559a8f19ad12cb5
- SHA512 6f1370da46ae302e41a587f0ad2b7e36f7bab65fcdc48d0ebfdb2d1bc1c24b024147be598ebf77bd7d83f4ad873bf001381cd02e8545cbc37901e5fdce343f5e
- SSDEEP 1536:up+OorHo1vzxHwxjxNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+w61/:LHo1m0tQ9nLHbB9WTk9+Jgqmltpz
- MD5 SHA1 SHA512 SSDEEP
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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe Set value (int) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ciopoo.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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe - Executes dropped EXE 1 IoCs
pid Process 4056 ciopoo.exe - Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /n" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /g" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /e" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /j" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /m" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /x" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /b" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /l" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /q" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /v" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /y" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /u" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /f" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /w" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /z" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /t" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /i" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /s" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /p" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /r" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /k" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /s" virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /c" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /a" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /d" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /o" ciopoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciopoo = "C:\\Users\\Admin\\ciopoo.exe /h" ciopoo.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe 4056 ciopoo.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 4056 ciopoo.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2936 wrote to memory of 4056 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 91 PID 2936 wrote to memory of 4056 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 91 PID 2936 wrote to memory of 4056 2936 virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\virussign.com_b3e986980c43236c05bfa8f960ee82b1.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_b3e986980c43236c05bfa8f960ee82b1.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:2936 -
C:\Users\Admin\ciopoo.exe"C:\Users\Admin\ciopoo.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:4056
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\ciopoo.exe
- Size 204KB
- SHA256 0cb9fdda4616f7c26045ea80c62b82860024613685916b1495cae776c967c14d
- MD5 7a10524e19fd8e4c217d5668b6021256
- SHA1 93e3d4c36e980840e694669f7afdecee1f10ae38
- SHA512 d00fcecd93b81d7da9f4e391af067104e12f4aa390bfc3de7c6821768c8e2a4fdff284d4138b51c7944dfec058ffec08f3b96663c5d61464bb7e40b983362466
- SSDEEP 1536:A/+Oo+Ho1vzxHwxhxNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+w61H:GHo1Y0tQ9nLHbB9WTk9+JgqmltDx
- MD5 SHA1 SHA512 SSDEEP