06474a9913f9de2666487ef06708349dd1a4f615911baeb8bc1d1fcd85e21574

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-07-2024 15:16

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General

Target

Encryptor.exe
Size

267KB
MD5

7abc2532ee2751efa2268f4a4bc1f32e
SHA1

3fb50565ec0d25deee228bba748e02f4a2ebf761
SHA256

06474a9913f9de2666487ef06708349dd1a4f615911baeb8bc1d1fcd85e21574
SHA512

46f3c478b8a01514a14ea77dd5c49bce6031d0e3b360be79107677313ccef0a31414fffa872870df821e3065197ea244ecf5d0de37747d36925f535f104580f2
SSDEEP

6144:8jaLgaDsShEzNee1LoLgaDsShEzNdePV:82LrsShEzN9poLrsShEzNUN

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	Encryptor.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\SC_Reader.exe	Encryptor.exe
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\sc_reader.exe	Encryptor.exe

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

System Information Discovery
T1082

Modifies registry class 64 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\!LOCKED_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\!LOCKED_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\!LOCKED_auto_file\shell	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616193"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 200000001a00eebbfe230000100090e24d373f126545916439c4925e467b00000000	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616193"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "48"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlot = "3"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\NodeSlot = "2"	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a000000a000000030f125b7ef471a10a5f102608c9eebac0c00000050000000a66a63283d95d211b5d600c04fd918d00b0000007800000030f125b7ef471a10a5f102608c9eebac0e00000078000000	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.!LOCKED\ = "!LOCKED_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\!LOCKED_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "6"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = ffffffff	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616193"	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\!LOCKED_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f44471a0359723fa74489c55595fe6b30ee0000	Encryptor.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg	Encryptor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "2"	Encryptor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Encryptor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	Encryptor.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1952	Encryptor.exe
2528	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	Encryptor.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1952	Encryptor.exe
1952	Encryptor.exe
1952	Encryptor.exe
1328	AcroRd32.exe
1328	AcroRd32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1328	2528	rundll32.exe	33
PID 2528 wrote to memory of 1328	2528	rundll32.exe	33
PID 2528 wrote to memory of 1328	2528	rundll32.exe	33
PID 2528 wrote to memory of 1328	2528	rundll32.exe	33

C:\Users\Admin\AppData\Local\Temp\Encryptor.exe
"C:\Users\Admin\AppData\Local\Temp\Encryptor.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1952

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\ConvertFromRepair.vbe.!LOCKED
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Desktop\ConvertFromRepair.vbe.!LOCKED"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1328

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

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\ConvertFromRepair.vbe.!LOCKED

Filesize
403KB

MD5
85c5727126319391736c4327cae09d61

SHA1
8af0c8889b817c1a11b841e76c8894086a9f36ec

SHA256
7084e26ff5d9e81a6298c3bfcbf8cd44abad251a77f1aaad20fdaa6c1200a1e1

SHA512
77694961bafde41e8c43189484737b6001535f83de136b69f3efeaef293c39b6b12953a1f66950a37ea1c1e5c85f0d43a8f45ba8bab25845bf9829828f2f1f7b

Download Submit
memory/1952-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

Filesize
4KB

Download
memory/1952-1-0x00000000000D0000-0x0000000000118000-memory.dmp

Filesize
288KB

Download
memory/1952-2-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-3-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-4-0x000000001E600000-0x000000001E610000-memory.dmp

Filesize
64KB

Download
memory/1952-5-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-6-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/1952-37-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download