da296c609f44073aacc7ca102c6233aa9555f3a3387e64ec5845dbf4161abec5

Resubmissions

19-12-2023 11:58

231219-n5dsvagfe3 5

19-12-2023 11:43

231219-nvv95sfbe6 5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-12-2023 11:58

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General

Target

EXTERNAL .msg
Size

92KB
MD5

b955cacd1815d51801d6a7160b17ffb1
SHA1

caae2ec015b87119433aace0c3b8ff13ec5d3fc1
SHA256

da296c609f44073aacc7ca102c6233aa9555f3a3387e64ec5845dbf4161abec5
SHA512

31d793875b0cb920fa5a954254d539bacf7171648c969fe0c31844c6faca18b58f105f18fc22297ec79503eb9ee87c5003d6f9dce4eeaa83a45841bf8834677f
SSDEEP

768:dUuvNm2I8QeCj5Dssp+V1g7/LNHRjWsKnlWsK0/RDz2nPrdVbjwus4JvfODNhsFy:DvNXpoNf0yRHRjW9WcAnPRqvj30I

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfc00C.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\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00A.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\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\perfh00C.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1716	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1716	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\EXTERNAL .msg"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
PID:1716

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
c941156ae8a985df55eedffe6dae4397

SHA1
0aa77267b8900e0b5295978c328f812607829674

SHA256
d48b4735fa0520bc6b29db78659b9fe754ace5dd8416838458e92372e9ad1cb3

SHA512
4993d2937846665aa5e40b4308e1b0fad5706665281045c6e76ceb473a2d3cf827fbcdf2b8e75849b9edb81c56cad5b5373197da6de1dfd87b3a2ef9619162d9

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/1716-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1716-1-0x0000000073A2D000-0x0000000073A38000-memory.dmp

Filesize
44KB

Download
memory/1716-124-0x0000000073A2D000-0x0000000073A38000-memory.dmp

Filesize
44KB

Download