de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028

Analysis

max time kernel
146s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 21:56

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General

Target

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
Size

1.6MB
MD5

aa170b937b6db142ad42b2771ebce387
SHA1

6fb8945883f2cc86f5d5ef61b6b34cc270f40340
SHA256

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028
SHA512

d647e3635725f0f02538df36f2f6c1a50fab9f19fd476968089854c52c99319d8d798c61551ad97d2a5f4b6f56fec581aa3d362f9bb16b86284a44841bf27dbe
SSDEEP

24576:dNU0Ncda2IQ6KqD9n+9mu0QDcsDsRuYqTXwgKw4v1TuSSx2O8pn8p+:df66zx5QDctuSjGEO8188

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

RTPCS5S.exe

pid process

4444 RTPCS5S.exe

pid	process
4444	RTPCS5S.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/RTPCS5S.exe"	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

Drops file in System32 directory 1 IoCs

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description ioc process

File created C:\Windows\SysWOW64\RTPCS5S.exe de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description	ioc	process
File created	C:\Windows\SysWOW64\RTPCS5S.exe	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

pid	process
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exeRTPCS5S.exe

pid	process
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
4444	RTPCS5S.exe
4444	RTPCS5S.exe
4444	RTPCS5S.exe
4444	RTPCS5S.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe

description	pid	process	target process
PID 4140 wrote to memory of 4444	4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe	RTPCS5S.exe
PID 4140 wrote to memory of 4444	4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe	RTPCS5S.exe
PID 4140 wrote to memory of 4444	4140	de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe	RTPCS5S.exe

C:\Users\Admin\AppData\Local\Temp\de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe
"C:\Users\Admin\AppData\Local\Temp\de295c417b505d475280a0247c8786a3b73fff987090de8954f57e454fcfb028.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4140

C:\Windows\SysWOW64\RTPCS5S.exe
C:\Windows\system32\/RTPCS5S.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4444

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\RTPCS5S.exe
Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
C:\Windows\SysWOW64\RTPCS5S.exe
Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
memory/4444-132-0x0000000000000000-mapping.dmp

Download