e792c3758413a8fe34bad276780d45087f9d1487e9c8275f7ce63d5f1857eeab

Resubmissions

03-08-2023 22:32

230803-2gft7ahe7z 3

03-08-2023 22:06

230803-11kf2she5s 7

03-08-2023 22:00

230803-1ws8dshe4s 3

03-08-2023 21:56

230803-1tmylahe3v 3

Analysis

max time kernel
124s
max time network
120s
platform
windows7_x64
resource
win7-20230712-es
resource tags

arch:x64arch:x86image:win7-20230712-eslocale:es-esos:windows7-x64systemwindows
submitted
03-08-2023 22:32

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General

Target

i542ai.exe
Size

872KB
MD5

c56b5f0201a3b3de53e561fe76912bfd
SHA1

2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256

237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512

195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
SSDEEP

12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	1220	WerFault.exe	27

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 = 4c00310000000000ec56896a100041646d696e00380008000400efbeec561a60ec56896a2a00000030000000000004000000000000000000000000000000410064006d0069006e00000014000000	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0 = 4c00310000000000ec561d6210204c6f63616c00380008000400efbeec561a60ec561d622a000000fe0100000000020000000000000000000000000000004c006f00630061006c00000014000000	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\Shell\SniffedFolderType = "Generic"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 7400310000000000ec561a601100557365727300600008000400efbeee3a851aec561a602a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = ffffffff	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\MRUListEx = 00000000ffffffff	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = 00000000ffffffff	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = ffffffff	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\6	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\MRUListEx = 00000000ffffffff	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\7	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\Shell\SniffedFolderType = "Generic"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\NodeSlot = "7"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\Shell\SniffedFolderType = "Generic"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\Shell	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202020202	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\MRUListEx = ffffffff	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\Shell	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	i542ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic"	i542ai.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0	i542ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	i542ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\NodeSlot = "2"	i542ai.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1220	i542ai.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1220	i542ai.exe
1220	i542ai.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1220	i542ai.exe
1220	i542ai.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1220	i542ai.exe
1220	i542ai.exe
1220	i542ai.exe
1220	i542ai.exe
1220	i542ai.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2536	1220	i542ai.exe	30
PID 1220 wrote to memory of 2536	1220	i542ai.exe	30
PID 1220 wrote to memory of 2536	1220	i542ai.exe	30
PID 1220 wrote to memory of 2536	1220	i542ai.exe	30

C:\Users\Admin\AppData\Local\Temp\i542ai.exe
"C:\Users\Admin\AppData\Local\Temp\i542ai.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 1088
  2⤵
  - Program crash
  PID:2536

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

memory/1220-54-0x0000000004520000-0x0000000004521000-memory.dmp

Filesize
4KB

Download
memory/1220-55-0x0000000004600000-0x0000000004602000-memory.dmp

Filesize
8KB

Download
memory/1220-56-0x0000000004520000-0x0000000004521000-memory.dmp

Filesize
4KB

Download
memory/1220-59-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download