46604cb79716d7402b03cf68c6aa353d1c560d750bc82a1b4d549309a4d58ff4

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-03-2024 01:08

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General

Target

Email-Worm/MsWorld.exe
Size

128KB
MD5

7bd8a009b84b35868613332fe14267ab
SHA1

d36d4753aab27c6c5e253b9926406f7f97dc69a6
SHA256

56511f0b28f28c23b5a1a3c7d524ee25a4c6df9ac2b53797c95199534f86bbd2
SHA512

ad8e121f601f6698d720181d486da828781f729ca7880fb35c6fc70f021197e4a508dc46d980108a168ef2c6c89a62f3140e676ff71a1e40ea3e397ad0c63261
SSDEEP

3072:6wzn3BP7bo4a8uqwE6WPSUQvdIeaiQFc/sz4Px8vy+sL:R3BPP9G4Qvd/aKk4p8q+s

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 14 IoCs

Processes:

OUTLOOK.EXE

description	ioc	process
File created	C:\Windows\system32\perfc009.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\perfh00C.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\perfh007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\SysWOW64\PerfStringBackup.TMP	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc011.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE

Drops file in Windows directory 3 IoCs

Processes:

OUTLOOK.EXE

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

Processes:

OUTLOOK.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE

Modifies registry class 64 IoCs

Processes:

OUTLOOK.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C8-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063044-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063025-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D87E7E17-6897-11CE-A6C0-00AA00608FAA}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672ED-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F4-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063045-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DD-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063093-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063104-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006302C-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630EF-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063038-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672EF-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067353-0000-0000-C000-000000000046}\ = "OlkFrameHeaderEvents"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DF-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304F-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006307A-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063040-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063020-0000-0000-C000-000000000046}\ = "_DocumentItem"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006309B-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630EB-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063035-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E7-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063008-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006307F-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063059-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304B-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DB-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063089-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063099-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063107-0000-0000-C000-000000000046}\ = "_ConversationHeader"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067367-0000-0000-C000-000000000046}\ = "_OlkTimeZoneControl"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630F1-0000-0000-C000-000000000046}\ = "_NavigationFolders"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F4-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FD-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063034-0000-0000-C000-000000000046}\ = "_MailItem"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C9-0000-0000-C000-000000000046}\ = "_ExchangeUser"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063008-0000-0000-C000-000000000046}\ = "_Inspectors"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063077-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305B-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305B-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063043-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063040-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063003-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006302B-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063105-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063093-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006309C-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063074-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063071-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630EA-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E6-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CB-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006308A-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006300B-0000-0000-C000-000000000046}\ = "Search"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063062-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063006-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006303F-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006309E-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063022-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063077-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E1-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E1-0000-0000-C000-000000000046}\ = "OlkOptionButtonEvents"	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

OUTLOOK.EXE

pid process

2252 OUTLOOK.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OUTLOOK.EXE

pid process

2252 OUTLOOK.EXE
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

OUTLOOK.EXE

pid process

2252 OUTLOOK.EXE
2252 OUTLOOK.EXE
2252 OUTLOOK.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

OUTLOOK.EXE

pid process

2252 OUTLOOK.EXE
2252 OUTLOOK.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MsWorld.exeOUTLOOK.EXE

pid process

2016 MsWorld.exe
2252 OUTLOOK.EXE

pid	process
2252	OUTLOOK.EXE

pid	process
2252	OUTLOOK.EXE

pid	process
2252	OUTLOOK.EXE
2252	OUTLOOK.EXE
2252	OUTLOOK.EXE

pid	process
2252	OUTLOOK.EXE
2252	OUTLOOK.EXE

pid	process
2016	MsWorld.exe
2252	OUTLOOK.EXE

C:\Users\Admin\AppData\Local\Temp\Email-Worm\MsWorld.exe
"C:\Users\Admin\AppData\Local\Temp\Email-Worm\MsWorld.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:2016

C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" -Embedding
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2252

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2252-2-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2252-3-0x000000007397D000-0x0000000073988000-memory.dmp

Filesize
44KB

Download
memory/2252-95-0x000000006CD91000-0x000000006CD92000-memory.dmp

Filesize
4KB

Download
memory/2252-129-0x000000007397D000-0x0000000073988000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads