b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406

Analysis

max time kernel
152s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 14:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls
Size

36KB
MD5

5f5609ad898d0df50d8a97c273bb63aa
SHA1

e2c62906409344a63fbe539576bad789733aba4f
SHA256

b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406
SHA512

7163be300200036f4148132cacc85649f4ced3058afedfd07622372dd3e49f31be4fb0e35c5e9e9d476edb43efe4aa7892ebd84a7106a79a82d0ee4c55f002f0
SSDEEP

768:6///I12wzlFl/sEMeapuONmjDpP1VAqbhxmaR22vFItmd8aYNiKydp5VbRuUr8vq:6///I12wzlFl/sEMeapuONmjDpP1VAqz

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
328	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
328	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
328	EXCEL.EXE
328	EXCEL.EXE
328	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 2024	328	EXCEL.EXE	27
PID 328 wrote to memory of 2024	328	EXCEL.EXE	27
PID 328 wrote to memory of 2024	328	EXCEL.EXE	27
PID 328 wrote to memory of 2024	328	EXCEL.EXE	27

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\b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.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:328
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2024

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/328-54-0x000000002FA11000-0x000000002FA14000-memory.dmp

Filesize
12KB

Download
memory/328-55-0x0000000071A81000-0x0000000071A83000-memory.dmp

Filesize
8KB

Download
memory/328-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/328-57-0x0000000072A6D000-0x0000000072A78000-memory.dmp

Filesize
44KB

Download
memory/328-58-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/328-61-0x000000006D221000-0x000000006D223000-memory.dmp

Filesize
8KB

Download
memory/328-62-0x0000000072A6D000-0x0000000072A78000-memory.dmp

Filesize
44KB

Download
memory/2024-60-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

Filesize
8KB

Download