67958f2b89794168c0c35857d76577d0c293e0128754108bf2b781eec05b2176

Analysis

max time kernel
146s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
01-05-2024 23:52

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General

Target

RSMB#.rar
Size

14.2MB
MD5

38341f4022abc03da431421a5c5a6615
SHA1

896ea2e4e0a4a6c138fddb93dedab63ba1d8ff32
SHA256

67958f2b89794168c0c35857d76577d0c293e0128754108bf2b781eec05b2176
SHA512

331b1c9fe5d3ea9b20758c3d0e682f4f36257acae68b6ffbd37c823b87e5af2f8e1dee4c8a4514a34f2d2bac81dfe938a80335bb305c1a9fe2b89e5a479a6441
SSDEEP

393216:7HPas/I3/+4+LkIVdxzIO+jqLnwhWI2QvlcrMMAd+BNwC2R:TPas/I3/+4dGdxzIO+jqLwwIZvlzMAQa

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 38 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	OpenWith.exe
Key created	\Registry\User\S-1-5-21-2878097196-921257239-309638238-1000_Classes\NotificationData	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c0031000000000093585152110050524f4752417e310000740009000400efbec5525961935852522e0000003f0000000000010000000000000000004a00000000001bf41500500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2292	OpenWith.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe
2292	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RSMB#.rar
1⤵
- Modifies registry class
PID:3068

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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