24df588023345e0d84b25d97ca1cdcd9da3b748ac6fc286ece5d3788f7557d2f

General

Target

invite.ics
Size

2KB
MD5

91d6b45876db373f08fada48b130b836
SHA1

e46b734792b94afcbcf2e9014eb8379f5cefee6f
SHA256

24df588023345e0d84b25d97ca1cdcd9da3b748ac6fc286ece5d3788f7557d2f
SHA512

3fca1f7fa28c83e7eb42a6d1850372bb9187e8ff5b8ebd50a52ab06e3248327b617a8058646d746fc845846350dd1b5ea4f74cb3cda8119410844bbf1858a355

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\SysWOW64\PerfStringBackup.TMP	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00C.dat	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\perfc00A.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\perfh00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc007.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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2032	OUTLOOK.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2032	OUTLOOK.EXE
2032	OUTLOOK.EXE
2032	OUTLOOK.EXE
2032	OUTLOOK.EXE

C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" /ical "C:\Users\Admin\AppData\Local\Temp\invite.ics"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2032

Network

MITRE ATT&CK Enterprise v6

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
230KB

MD5
3478813faa87b398146166c40dd9cbf0

SHA1
adf89c2bf74d5fcacbb1ad598c024fd0a23e1aa0

SHA256
e3f47e074322e70fa9e6e86d47fa15d5940c643ebf3417f9df729638c1c4748d

SHA512
0739af5601040b7ca059cd95be3d2552cf537352621ba2aa6af1e9227284f99544c5b1cd7ddea8d0e5bb88f1e698bde06d26f284b70b1153edc4f730ffee50c9

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

Filesize
230KB

MD5
6d00ab0ca2889933d0c01d6db958858d

SHA1
98fe2c7d032ea6e53e195c68bccaf86103d1206f

SHA256
34a3ed50d9f5127625eadec0f46ad1be06ebfdbb37ca9b9421d52a5e0f81ca2f

SHA512
0ddc2c1c21371e082671431f84d6b4f22c06384420215a3ea970b88218cbe909d4105bf1fdb06449ff79cd38216c8e5a4b3c1f316d87d62d0a87af5190eca767

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

Filesize
240KB

MD5
d8427358c25cad68fcb9b7fdf6551f2c

SHA1
e3adfe330a10ed08870ba7232bae83ab4ec647d7

SHA256
48f3dcbe4c588c79c581aaecfbaf267cb449024b880909cee3bce0976e2b4720

SHA512
ec66c4f90979dfbf04a80bd41d10ed9ff243642807bfee86c15d343d4bdaf0f37351c7928232a55b4a3aca15ad87b5cde2bcbff1a056f3f496fba07422220082

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/2032-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

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