16d1b9ed560e05ad6beb990bfa8e834c1408794fea8954a085b9e0d54f6ee2bf

General

Target

viozicsuns.exe
Size

11.6MB
MD5

24202aabfb721ed164afa9a66a181245
SHA1

74c30b55364a4ee095cdb96d640b7aeb726f25b6
SHA256

16d1b9ed560e05ad6beb990bfa8e834c1408794fea8954a085b9e0d54f6ee2bf
SHA512

2283443e7b5d8db63fb0d04655856754216cadc7fcd0faee44c4a4db0dc0ccb3f8a77cd6d6a0d1ce178f1d8b7f9813f0cab6567cc3b0f3956e202f1fd99057a5
SSDEEP

196608:fu9ywHznKfrUzo4Q1OmVGBmLsdR/q5G41I6EGiiVCLl6U4ogyzUUc0r3NPOEaQXQ:fuowTKF0h48w

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	viozicsuns.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 20 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	viozicsuns.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	viozicsuns.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	viozicsuns.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	viozicsuns.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	viozicsuns.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	viozicsuns.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1688	viozicsuns.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1688	viozicsuns.exe

C:\Users\Admin\AppData\Local\Temp\viozicsuns.exe
"C:\Users\Admin\AppData\Local\Temp\viozicsuns.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads