73fc1d236ce8acb3a97ab7d987872a05c61941432b9a48f52bf741644780b165

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 08:36

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General

Target

4883410fd291c59fbbd79a58841ab9d2.vbs
Size

1KB
MD5

4883410fd291c59fbbd79a58841ab9d2
SHA1

b41890257fdcf82772b37d04a386f1afcc912d9a
SHA256

73fc1d236ce8acb3a97ab7d987872a05c61941432b9a48f52bf741644780b165
SHA512

543a9f09af1229f775cb95fe84bafd52e7a581c00847a63a74a0515a10e8f6613f8c384a6a86c372030c67e792296c8f323e5819f64e294378147f2c908fc830

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FileManager32 = "Wscript.exe C:\\Windows\\ChkMgr32.vbs %1"	WScript.exe

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\system32\perfh011.dat	OUTLOOK.EXE
File opened for modification	C:\Windows\SysWOW64\PerfStringBackup.INI	OUTLOOK.EXE
File created	C:\Windows\system32\perfh009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc011.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc010.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc00A.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00A.dat	OUTLOOK.EXE
File created	C:\Windows\SysWOW64\PerfStringBackup.TMP	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\perfc007.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfc009.dat	OUTLOOK.EXE
File created	C:\Windows\system32\perfh00C.dat	OUTLOOK.EXE

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\inf\Outlook\0009\outlperf.ini	OUTLOOK.EXE
File created	C:\Windows\Attachment.vbs	WScript.exe
File opened for modification	C:\Windows\Attachment.vbs	WScript.exe
File created	C:\Windows\ChkMgr32.vbs	WScript.exe
File created	C:\Windows\inf\Outlook\outlperf.h	OUTLOOK.EXE
File opened for modification	C:\Windows\inf\Outlook\outlperf.h	OUTLOOK.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\MenuExt	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	OUTLOOK.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	OUTLOOK.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	OUTLOOK.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	OUTLOOK.EXE

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E0-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672EE-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F8-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063009-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DE-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006303A-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063023-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006F025-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063102-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006300F-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063098-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F0-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063021-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D0-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E3-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C8-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D3-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063083-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FC-0000-0000-C000-000000000046}\ProxyStubClsid32	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\{000630D3-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E2-0000-0000-C000-000000000046}\ = "_CalendarSharing"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063101-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063102-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C9-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063062-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305A-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672ED-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D3-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063034-0000-0000-C000-000000000046}\TypeLib	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\{000630C9-0000-0000-C000-000000000046}\ = "_ExchangeUser"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FE-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E0-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063007-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063046-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CF-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305A-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F7-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672ED-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063041-0000-0000-C000-000000000046}\ = "_Items"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E7-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DF-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FC-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E9-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304B-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E3-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063098-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672EB-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063005-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672DC-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063002-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304A-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E5-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006308C-0000-0000-C000-000000000046}	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FD-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063103-0000-0000-C000-000000000046}	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630E4-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006300B-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304D-0000-0000-C000-000000000046}\ProxyStubClsid32	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067367-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}"	OUTLOOK.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F7-0000-0000-C000-000000000046}\TypeLib\Version = "9.4"	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063040-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CE-0000-0000-C000-000000000046}\TypeLib	OUTLOOK.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2812	OUTLOOK.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	OUTLOOK.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2812	OUTLOOK.EXE
2812	OUTLOOK.EXE
2812	OUTLOOK.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2812	OUTLOOK.EXE
2812	OUTLOOK.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2812	OUTLOOK.EXE

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4883410fd291c59fbbd79a58841ab9d2.vbs"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:2220

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:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/2812-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2812-4-0x0000000073A2D000-0x0000000073A38000-memory.dmp

Filesize
44KB

Download
memory/2812-104-0x000000006CAC1000-0x000000006CAC2000-memory.dmp

Filesize
4KB

Download
memory/2812-130-0x0000000073A2D000-0x0000000073A38000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads