949a29e44e8258e4d647e474c499a774bca19ff0902ba01ed6c458c351846deb

Resubmissions

18/05/2023, 00:21

230518-ant7lsfg9t 5

18/05/2023, 00:19

230518-al8l8afg8w 5

Analysis

max time kernel
113s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18/05/2023, 00:19

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General

Target

a1s-root1=email_banfield_2023_05_17_22_SMTP-att-1-4QM7RY5vtxz9sB1-2023-05-17T22_43_05.eml
Size

59KB
MD5

62643898278c4363c028e01e23bd0ec1
SHA1

88cc2889fc4801230cb2a9d2a8441b7f1ad3b55d
SHA256

949a29e44e8258e4d647e474c499a774bca19ff0902ba01ed6c458c351846deb
SHA512

9b13506f1c3f2d5c9de3f2ab9f321d4d33687cc9cfd78a00db29d1a98131f92d4482007f16d390542294cf943fde9c7b24c8e7fc3dedc08fefe3e8b4e59e7f9b
SSDEEP

1536:Fvi9Tq9fNfMQK+Y4ja3CPg48K8PqNSH315nGI547j:Fvi+PKBcdvzSznr5Kj

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\SysWOW64\PerfStringBackup.TMP	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh010.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh011.dat	OUTLOOK.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\inf\Outlook\outlperf.h	OUTLOOK.EXE
File opened for modification	C:\Windows\inf\Outlook\outlperf.h	OUTLOOK.EXE
File created	C:\Windows\inf\Outlook\0009\outlperf.ini	OUTLOOK.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2040	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2040	OUTLOOK.EXE

C:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXE
C:\PROGRA~2\MICROS~1\Office14\OUTLOOK.EXE /eml "C:\Users\Admin\AppData\Local\Temp\a1s-root1=email_banfield_2023_05_17_22_SMTP-att-1-4QM7RY5vtxz9sB1-2023-05-17T22_43_05.eml"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
240KB

MD5
aa9eb99bfae9829a7dfe6b94828490c4

SHA1
817591b4c7a6f5f3bdda0e7e218b6790774c0c20

SHA256
2d16a68f8f0885daca3b597494362aedcd5e9c142c8b49f291d40705d9077051

SHA512
428a75ab61b1491f7e292432616e1c9bda7623de3c07332e11177ae3b99b5edc94773f9c0e6158c264e57cd24eec0ae75380e591419c6daf1159561a0c2e6b55

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
240KB

MD5
aa9eb99bfae9829a7dfe6b94828490c4

SHA1
817591b4c7a6f5f3bdda0e7e218b6790774c0c20

SHA256
2d16a68f8f0885daca3b597494362aedcd5e9c142c8b49f291d40705d9077051

SHA512
428a75ab61b1491f7e292432616e1c9bda7623de3c07332e11177ae3b99b5edc94773f9c0e6158c264e57cd24eec0ae75380e591419c6daf1159561a0c2e6b55

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
240KB

MD5
aa9eb99bfae9829a7dfe6b94828490c4

SHA1
817591b4c7a6f5f3bdda0e7e218b6790774c0c20

SHA256
2d16a68f8f0885daca3b597494362aedcd5e9c142c8b49f291d40705d9077051

SHA512
428a75ab61b1491f7e292432616e1c9bda7623de3c07332e11177ae3b99b5edc94773f9c0e6158c264e57cd24eec0ae75380e591419c6daf1159561a0c2e6b55

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Outlook\mapisvc.inf

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/2040-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download