ca8420941308e39a2b4b666ca7f23b9efd6a6b4cca733a7f259d96329528684b

Analysis

max time kernel
65s
max time network
109s
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

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General

Target

CF߱ѪٷȫܸSP567_se.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

876 yyboswe.exe
Loads dropped DLL 2 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

pid process

1632 CF߱ѪٷȫܸSP567_se.exe
1632 CF߱ѪٷȫܸSP567_se.exe

pid	process
876	yyboswe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CF߱ѪٷȫܸSP567_se.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/yyboswe.exe"	CF߱ѪٷȫܸSP567_se.exe

Drops file in System32 directory 1 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

description ioc process

File created C:\Windows\SysWOW64\yyboswe.exe CF߱ѪٷȫܸSP567_se.exe

description	ioc	process
File created	C:\Windows\SysWOW64\yyboswe.exe	CF߱ѪٷȫܸSP567_se.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

pid	process
1632	CF߱ѪٷȫܸSP567_se.exe
1632	CF߱ѪٷȫܸSP567_se.exe
1632	CF߱ѪٷȫܸSP567_se.exe
1632	CF߱ѪٷȫܸSP567_se.exe
1632	CF߱ѪٷȫܸSP567_se.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

CF߱ѪٷȫܸSP567_se.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	CF߱ѪٷȫܸSP567_se.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

CF߱ѪٷȫܸSP567_se.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	CF߱ѪٷȫܸSP567_se.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

pid process

1632 CF߱ѪٷȫܸSP567_se.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exeyyboswe.exe

pid	process
1632	CF߱ѪٷȫܸSP567_se.exe
1632	CF߱ѪٷȫܸSP567_se.exe
876	yyboswe.exe
876	yyboswe.exe
876	yyboswe.exe
876	yyboswe.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

description	pid	process	target process
PID 1632 wrote to memory of 876	1632	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe
PID 1632 wrote to memory of 876	1632	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe
PID 1632 wrote to memory of 876	1632	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe
PID 1632 wrote to memory of 876	1632	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe

C:\Users\Admin\AppData\Local\Temp\CF߱ѪٷȫܸSP567_se.exe
"C:\Users\Admin\AppData\Local\Temp\CF߱ѪٷȫܸSP567_se.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:1632

C:\Windows\SysWOW64\yyboswe.exe
C:\Windows\system32\/yyboswe.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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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/876-4616-0x0000000000000000-mapping.dmp

Download
memory/1632-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1632-55-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1632-57-0x0000000076890000-0x00000000768D7000-memory.dmp

Filesize
284KB

Download
memory/1632-464-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-465-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-467-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-466-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-468-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-469-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-470-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-471-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-472-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-473-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-474-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-475-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-476-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-477-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-479-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-478-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-480-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-481-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-482-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-483-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-484-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-486-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-485-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-487-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-488-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-489-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-490-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-491-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-492-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-493-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-494-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-495-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-496-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-497-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-498-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-499-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-501-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-500-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-502-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-503-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-504-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-505-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-506-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-507-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-508-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-509-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-510-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-511-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-512-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-513-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-515-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-514-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-516-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-517-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-518-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-519-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-520-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-521-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-522-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-523-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-524-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-525-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-1332-0x00000000008D0000-0x00000000009D0000-memory.dmp

Filesize
1024KB

Download
memory/1632-1333-0x00000000024E0000-0x0000000002661000-memory.dmp

Filesize
1.5MB

Download
memory/1632-2238-0x00000000008D0000-0x00000000009D0000-memory.dmp

Filesize
1024KB

Download
memory/1632-4619-0x0000000002330000-0x0000000002441000-memory.dmp

Filesize
1.1MB

Download
memory/1632-4620-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1632-4621-0x00000000026E0000-0x00000000027E1000-memory.dmp

Filesize
1.0MB

Download
memory/1632-4622-0x00000000027F0000-0x0000000002891000-memory.dmp

Filesize
644KB

Download
memory/1632-4623-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download