b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f

Analysis

max time kernel
89s
max time network
98s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
Size

2.7MB
MD5

07338e6093f5d781e53c9be79d898f15
SHA1

54e9b9061fc0444076b6b59ae09814c905eedd39
SHA256

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f
SHA512

7ecbc76640ec01c6b9bdce48ce63d006edcc252e60a0c917f74dc79147b1f17e2e0c2a98c481daa932805899d8597ead10b14e1a0875f78c1602fcce801ee2bc
SSDEEP

49152:MsNiGgXxARc7AOm1GTmifDj+gmKD5Sb7La9qzmTuGGOFZ6A1qt88f/83:/ZYOREQ1G5nqjbPa9qzmVGONEtz/83

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

yyboswe.exe

pid process

1704 yyboswe.exe

pid	process
1704	yyboswe.exe

Loads dropped DLL 2 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

pid	process
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/yyboswe.exe"	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Drops file in System32 directory 1 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description ioc process

File created C:\Windows\SysWOW64\yyboswe.exe b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\yyboswe.exe	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

pid	process
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

pid process

1992 b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exeyyboswe.exe

pid	process
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
1704	yyboswe.exe
1704	yyboswe.exe
1704	yyboswe.exe
1704	yyboswe.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe

description	pid	process	target process
PID 1992 wrote to memory of 1704	1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe	yyboswe.exe
PID 1992 wrote to memory of 1704	1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe	yyboswe.exe
PID 1992 wrote to memory of 1704	1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe	yyboswe.exe
PID 1992 wrote to memory of 1704	1992	b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe	yyboswe.exe

C:\Users\Admin\AppData\Local\Temp\b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe
"C:\Users\Admin\AppData\Local\Temp\b20959b35cb853720d7b69fdc4ad360f85070ce848dee2c8c6b9c26da1d2721f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\yyboswe.exe
C:\Windows\system32\/yyboswe.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\yyboswe.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
\Windows\SysWOW64\yyboswe.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
\Windows\SysWOW64\yyboswe.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
memory/1704-4815-0x0000000000000000-mapping.dmp

Download
memory/1992-54-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1992-57-0x0000000075B90000-0x0000000075BD7000-memory.dmp

Filesize
284KB

Download
memory/1992-464-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-466-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-465-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-467-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-463-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-468-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-469-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-470-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-472-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-471-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-473-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-474-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-475-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-476-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-477-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-478-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-479-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-480-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-481-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-482-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-483-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-484-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-486-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-485-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-487-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-488-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-489-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-490-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-491-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-492-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-493-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-494-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-495-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-497-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-496-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-498-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-499-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-500-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-501-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-502-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-503-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-504-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-505-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-506-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-507-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-508-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-509-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-510-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-511-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-512-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-513-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-514-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-515-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-516-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-517-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-518-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-519-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-520-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-521-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-522-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-523-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-524-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-1533-0x0000000002210000-0x0000000002310000-memory.dmp

Filesize
1024KB

Download
memory/1992-1535-0x00000000023A0000-0x0000000002521000-memory.dmp

Filesize
1.5MB

Download
memory/1992-4818-0x00000000026E0000-0x00000000027F1000-memory.dmp

Filesize
1.1MB

Download
memory/1992-4819-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1992-4820-0x0000000002800000-0x0000000002901000-memory.dmp

Filesize
1.0MB

Download
memory/1992-4821-0x00000000008D0000-0x0000000000971000-memory.dmp

Filesize
644KB

Download
memory/1992-4822-0x0000000002210000-0x0000000002310000-memory.dmp

Filesize
1024KB

Download
memory/1992-4823-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download