31df9a0c7429c6adee265999deae7fb383d1438f83542906bd13f59e45de1524

Analysis

max time kernel
29s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 18:19

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General

Target

id_rsa.pub
Size

575B
MD5

5c4cdff67f5e3d96b4f249d9c4939a63
SHA1

75ad967e74728e0179e03031178815a970bbe789
SHA256

31df9a0c7429c6adee265999deae7fb383d1438f83542906bd13f59e45de1524
SHA512

d0d93fecb165e0e3c56adf47236a04d67eb5869b267736d5c5ac8e6c60a0b491fcc7485da15cf31889f3859119f3d43808e79963fc7171bccbda2b0d7d0041f7

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	MSPUB.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	MSPUB.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	MSPUB.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt	MSPUB.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	MSPUB.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	MSPUB.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	MSPUB.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	MSPUB.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	MSPUB.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	MSPUB.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1196	MSPUB.EXE
1196	MSPUB.EXE
1196	MSPUB.EXE
1196	MSPUB.EXE
1196	MSPUB.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2652	1196	MSPUB.EXE	29
PID 1196 wrote to memory of 2652	1196	MSPUB.EXE	29
PID 1196 wrote to memory of 2652	1196	MSPUB.EXE	29
PID 1196 wrote to memory of 2652	1196	MSPUB.EXE	29

C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE" C:\Users\Admin\AppData\Local\Temp\id_rsa.pub
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2652

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

memory/1196-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1196-1-0x00000000738BD000-0x00000000738C8000-memory.dmp

Filesize
44KB

Download
memory/1196-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1196-4-0x00000000738BD000-0x00000000738C8000-memory.dmp

Filesize
44KB

Download