7592f97277d090fb81bafbaf09e4ef79385cad50e2d94eae940fa86e51e7140c

Analysis

max time kernel
1563s
max time network
1567s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
24-11-2023 16:28

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General

Target

triage-report_15366-noreply_AT_email_teams_microsoft_com/raw.eml
Size

44KB
MD5

8d3f81a7b9ef203c49215d1af3cba6a6
SHA1

0b4ceade780ac65cf66628305197b7fde6329ed9
SHA256

5272e3e836c13ceb5da4e64abfb43bf5c2dab0459354708ab66f436a0fff43f4
SHA512

99faa3b1b8b2c1d1d2b4a6fda412499a5f81f8eb4c0b50cce3f1e7fd4701b6a8aad08b5b36eac256d2742e60a4d548bec2feb177ccdb77feef25967400ea1206
SSDEEP

768:T7So2OkWUuJr2fi6y9AlHadqABKBcw20O4PwuLM6XIQvuN4EfZ9svE69RTwioj:T7So2OJUmr2vlHadqANw20VLMkdvnEfn

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\system32\perfh00C.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\SysWOW64\PerfStringBackup.TMP	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00A.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
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\perfc00A.dat	OUTLOOK.EXE

Drops file in Windows directory 3 IoCs

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2508	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2508	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\triage-report_15366-noreply_AT_email_teams_microsoft_com\raw.eml"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:2508

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
ca21217f3104de452206682878eda94e

SHA1
858620432a1932d07f65dfa15b3b94c821eeeda1

SHA256
9203f555a14834c0d1e21faf37667cd764bb8f476fd3813691e5c16f63b84b0d

SHA512
282c9bab6c105c5245afbc3092a449c9e809f86ba651fe1eaff3b47d31657131a79f2fb7d970f3cd8ec1fd8c9248e3854e2fa723e26e2f23055cd8d664b9e259

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

Filesize
225KB

MD5
6684e0b23867391c1a3b30058fcba30e

SHA1
28faa5522e1930ffb0f4da8100c3c1e7f819c19f

SHA256
1b5f6931d8e0b47718ca80c609768dbfc86c67b8b13f607d6cc741343d5ae723

SHA512
cb5950f7ac1ced88ad35f655550b3076811bb2ca3899e2243baeb9a5a120b0a2c3e83b2dc4b02b7be4b628da5912c807a8ac94fd7dd25292515dbc38a92da251

Download Submit
memory/2508-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2508-1-0x00000000731ED000-0x00000000731F8000-memory.dmp

Filesize
44KB

Download
memory/2508-124-0x00000000731ED000-0x00000000731F8000-memory.dmp

Filesize
44KB

Download