94cd2efe6222e0be0044f978af08ddb4d804e8724f8c0cf731067747c45b6b68

General

Target

Luis Munoz shared Guzman Munoz Engineering Surveying Inc..pdf with you.msg
Size

83KB
MD5

fb1dc7821999376f07e04fe0289c029f
SHA1

9240584f8261ca6c60336062ca5d5fa79ce63e96
SHA256

94cd2efe6222e0be0044f978af08ddb4d804e8724f8c0cf731067747c45b6b68
SHA512

9b5ad9340519d906e66d88129fa7b63eda0f00a6b985815c9b741a02fe4c4e88f72f5c3bfdd0d7959d199b0c6c02dfab5f886fac3cde9f1f39872d1a94ce30c9
SSDEEP

768:IU5j7UftpjEdnl54qIYQVe3H+GSbpQ+6yO8PhErpHgIw59oWsKFWsKHMeaZtpjtY:7V7U1NKzJ/cKa8rY8WNWWNt/Eh+jtDi

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 opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE
File created	C:\Windows\system32\perfh007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.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\perfh00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2212	OUTLOOK.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2212	OUTLOOK.EXE

C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" /f "C:\Users\Admin\AppData\Local\Temp\Luis Munoz shared Guzman Munoz Engineering Surveying Inc..pdf with you.msg"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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
235KB

MD5
3e746d1c4094339bd06511d8981fada3

SHA1
12cb6950bd384ed78a106968212a7a8220b2baa9

SHA256
ed6846cf85b9097017625a8ec28272afd98f49529dafa926b6cb99dda97ce391

SHA512
a24e972e741731756927b31aca0d90292a5e6680bb10f7cbba26c99f39e3ff7dd026c22b9b534fa7916d5774c128b5db1395597297cda1dcaf0e11fba4624629

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/2212-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2212-1-0x000000007314D000-0x0000000073158000-memory.dmp

Filesize
44KB

Download
memory/2212-124-0x000000007314D000-0x0000000073158000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing