ca8420941308e39a2b4b666ca7f23b9efd6a6b4cca733a7f259d96329528684b

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

3772 yyboswe.exe

pid	process
3772	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 4 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

pid	process
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	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-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	CF߱ѪٷȫܸSP567_se.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

pid	process
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exeyyboswe.exe

pid	process
1376	CF߱ѪٷȫܸSP567_se.exe
1376	CF߱ѪٷȫܸSP567_se.exe
3772	yyboswe.exe
3772	yyboswe.exe
3772	yyboswe.exe
3772	yyboswe.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

CF߱ѪٷȫܸSP567_se.exe

description	pid	process	target process
PID 1376 wrote to memory of 3772	1376	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe
PID 1376 wrote to memory of 3772	1376	CF߱ѪٷȫܸSP567_se.exe	yyboswe.exe
PID 1376 wrote to memory of 3772	1376	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⤵
- 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:1376

C:\Windows\SysWOW64\yyboswe.exe
C:\Windows\system32\/yyboswe.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

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
C:\Windows\SysWOW64\yyboswe.exe
Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
memory/1376-137-0x0000000076C40000-0x0000000076CBA000-memory.dmp

Filesize
488KB

Download
memory/1376-1484-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-132-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-1479-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-1480-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-1481-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-1482-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-136-0x0000000077100000-0x00000000772A0000-memory.dmp

Filesize
1.6MB

Download
memory/1376-1485-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-1490-0x0000000000400000-0x00000000008C5000-memory.dmp

Filesize
4.8MB

Download
memory/1376-134-0x00000000769A0000-0x0000000076BB5000-memory.dmp

Filesize
2.1MB

Download
memory/1376-133-0x0000000077400000-0x00000000775A3000-memory.dmp

Filesize
1.6MB

Download
memory/1376-1489-0x00000000029E0000-0x0000000002AE0000-memory.dmp

Filesize
1024KB

Download
memory/3772-1486-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads