64b6ed4b24fe1da20f8e51e7a6850eba4a5281d2cbbed16b5fd634677e6cf9e3

Analysis

max time kernel
153s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 11:41

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General

Target

64b6ed4b24fe1da20f8e51e7a6850eba4a5281d2cbbed16b5fd634677e6cf9e3.xls
Size

107KB
MD5

10a55477cca9dd8c9a3b1c45790d1374
SHA1

9b5a9de959281c78c986cb77398ca8fe7acfb546
SHA256

64b6ed4b24fe1da20f8e51e7a6850eba4a5281d2cbbed16b5fd634677e6cf9e3
SHA512

2b335c996c157954203f7b5f0b62e03f0ef4afd8732e18ea7960533a9074faf028f93877da20bfbe27ee2f6dd022ed020c4a2eb78fcfdf46f4a565433a387d66
SSDEEP

1536:YlllJMlDN1HZ/PERhwYZrrMs7Gu/XoHGkPrMsl/COR/vVf3Gwmsij9wDjppVMhua:DvVfmSWcwH7wDbT2J

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE

pid	process
2028	EXCEL.EXE

pid	process
2028	EXCEL.EXE

pid	process
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2028 wrote to memory of 520	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 520	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 520	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 520	2028	EXCEL.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\64b6ed4b24fe1da20f8e51e7a6850eba4a5281d2cbbed16b5fd634677e6cf9e3.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:520

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/520-59-0x0000000000000000-mapping.dmp

Download
memory/520-60-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/2028-54-0x000000002FA31000-0x000000002FA34000-memory.dmp

Filesize
12KB

Download
memory/2028-55-0x00000000710E1000-0x00000000710E3000-memory.dmp

Filesize
8KB

Download
memory/2028-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2028-57-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download
memory/2028-58-0x00000000720CD000-0x00000000720D8000-memory.dmp

Filesize
44KB

Download
memory/2028-61-0x000000006C801000-0x000000006C803000-memory.dmp

Filesize
8KB

Download