e335b896c72e9c7b209908925d117d9d960ff6e3140ffa1c4da0f98c22657bfd

Analysis

max time kernel
60s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
05-05-2024 04:28

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General

Target

MailAcess Checker by xRisky.rar
Size

10.7MB
MD5

3dad23c7ccbb977fa1187875de3fad5a
SHA1

57b8084a4df6c17ca4f2f1346ddac9aaad38466a
SHA256

e335b896c72e9c7b209908925d117d9d960ff6e3140ffa1c4da0f98c22657bfd
SHA512

f0b2af527c87bd25786b388938118294d5ce349e6aed8acf72b2c742716f017c01dc847d4dd35136ab993ed0280659b11d19dc3c07a7a3fa52eb8eeb9ba86135
SSDEEP

196608:7L62h1OT7OvG4JqZuRZK9irLcuHJonDID8nx4DMtYm8NMwLJKjMdYkkC/Xoab7Y6:7LJONunAmLh6Q8xAKY7QjMLzH

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 64 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 500031000000000093587a4d1000372d5a6970003c0009000400efbe93587a4d93587a4d2e0000006f9f0200000008000000000000000000000000000000c706420037002d005a0069007000000014000000	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_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-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications\7zG.exe\shell\open\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_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-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications\7zG.exe\shell\open\command\ = "\"C:\\Program Files\\7-Zip\\7zG.exe\" \"%1\""	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_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-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications\7zG.exe\shell\open	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "2"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications\7zG.exe\shell	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c003100000000009358c153110050524f4752417e310000740009000400efbec55259619358c1532e0000003f0000000000010000000000000000004a00000000000d169c00500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Key created	\Registry\User\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\NotificationData	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Applications\7zG.exe	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4488	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	1308	7zG.exe
Token: 35	1308	7zG.exe
Token: SeRestorePrivilege	1500	7zG.exe
Token: 35	1500	7zG.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe
4488	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1308	4488	OpenWith.exe	82
PID 4488 wrote to memory of 1308	4488	OpenWith.exe	82

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\MailAcess Checker by xRisky.rar"
1⤵
- Modifies registry class
PID:3372

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Program Files\7-Zip\7zG.exe
  "C:\Program Files\7-Zip\7zG.exe" "C:\Users\Admin\AppData\Local\Temp\MailAcess Checker by xRisky.rar"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1308

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3780

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" "C:\Users\Admin\AppData\Local\Temp\MailAcess Checker by xRisky.rar"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1500

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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