c7a2ec6110cfa5ae4b53b2b854013459bcdba8fff179bf95e5b707a2e4b98427

Analysis

max time kernel
147s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
02-12-2024 15:22

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General

Target

Server.exe
Size

37KB
MD5

952ea2d47e241b1a82eeb265457c5644
SHA1

16048d925d1722c3a97bbbd0ab0dc05f169c1af7
SHA256

c7a2ec6110cfa5ae4b53b2b854013459bcdba8fff179bf95e5b707a2e4b98427
SHA512

9001eaa366acab6c0574912215d18d73ee944482a469243a0e40dc340a6523b4ce58ea0ed18f232eac8813477f5918c649353da0abd32c57fc3735721be407ad
SSDEEP

384:Io66MizdTjnBhFbJ8ycP3h3hNwKaB0rAF+rMRTyN/0L+EcoinblneHQM3epzXaNg:36QTlLJfcP3hH9amrM+rMRa8NuQWt

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Modifies registry class 38 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c003100000000004759ba64110050524f4752417e310000740009000400efbec55259614759ba642e0000003f0000000000010000000000000000004a000000000024ed6200500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_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-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_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
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings	Server.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_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 (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	OpenWith.exe
Key created	\Registry\User\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\NotificationData	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	OpenWith.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2380	OpenWith.exe
2380	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3232

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

Filesize
14KB

MD5
751a64ff7fc80e8a96aa8e7f3dae3bab

SHA1
dede8022ad641e9137027abf75c17371b2546f3f

SHA256
5a5c1a4498dc81ebfdebd9bdb8477bba1521ca3bfe3f4fb74ab14edec4b836db

SHA512
287f782f0e87c25da29e0aa225de416eb8545dc0f02a691d9942cf1ba0627629bacd335d0e1a6efaaf1588a6866e9a1ea6d2581bc7e5d65f9c9368f66df4e905

Download Submit
memory/3232-0-0x0000000075201000-0x0000000075202000-memory.dmp

Filesize
4KB

Download
memory/3232-1-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/3232-2-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/3232-6-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download