449f9ce13efa69c76e5d7792c3eb6dae8c9bd49f8ed6e79d16a27dd04b02733a

Resubmissions

06/11/2023, 20:33

231106-zbvp2sgb56 5

06/11/2023, 20:30

231106-y946psee7y 5

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06/11/2023, 20:30

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General

Target

Complete with Docu.Sgn Approval Request for [email protected] Please Review - Monday, Novem.eml
Size

1.0MB
MD5

0f45213b5cb73bcac0dd4aefe2abfbbd
SHA1

fdbf45fda976d503df46c6ace528dc70feece7f8
SHA256

449f9ce13efa69c76e5d7792c3eb6dae8c9bd49f8ed6e79d16a27dd04b02733a
SHA512

45062f851c99ca9c90c8c55839805fe0fbb48d0880fa271c955ae9b3195bddeb1287405d24799ca8b5b463ecca81e635d32a99361ce63126a75e50b5d861019f
SSDEEP

24576:OrMPNkhjkGldy9fTsbNNKd9bEQDy+5uUQ:OrMP/Jz4j

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PerfStringBackup.TMP	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc011.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE
File created	C:\Windows\system32\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh011.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\perfc00C.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
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3064	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3064	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\Complete with Docu.Sgn Approval Request for [email protected] Please Review - Monday, Novem.eml"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
0b5822641de4b69646394a11a5c9d523

SHA1
c0bd79d8c7535a8ca70aeceb48ce55f5f086c477

SHA256
c0f04d806129f81b5561c530e63f878021ed62c26ff7628378e796152efc2b6f

SHA512
f36979cedc15b32e094ec55179e6ada5587a0e5c36cb6c5f20ccd57215532ac124741dd9034b71dbc4b467f1bd20b376f8bb7dd95d0a268a1e9e740637bfa4eb

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

Filesize
240KB

MD5
2707cfc5ead7c94855f392c0f010d355

SHA1
6b99c28e622a842d9122cfae9d942199ecac6b99

SHA256
c6f145537e759d000448d3358446e3cdcd5cbf53e8c80fd78511ff72a567ae5b

SHA512
51b941d25fc6ea49d075306265a0c7a1cb5d8c9998b5b97ec0f9df9373dee0b9f12df7533c9a219adac8f02dc92f810e6ee39acb2a8266aaed74e9858da7a9b3

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/3064-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3064-1-0x000000007377D000-0x0000000073788000-memory.dmp

Filesize
44KB

Download
memory/3064-124-0x000000007377D000-0x0000000073788000-memory.dmp

Filesize
44KB

Download