314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf

General

Target

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Size

609KB
MD5

6e117c257d557128b5204ae7b607851b
SHA1

eec7cac30807765166fa5925ff62026f5284874b
SHA256

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf
SHA512

aaf93802518b9791c241fb6022fbb39008f2df3c28835e3bea984329b51ff6283f560e11857e5b100c62166bea7890828082068333c63c08abf82627e3272143
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7vuJhUauiAzDTbrwdtZZiSXSmbrfrOe4:UsW/WNSZ8CLGETfJma6ziteE5brf8

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe

Executes dropped EXE 1 IoCs

Processes:

spoolsv.exe

pid process

1284 spoolsv.exe

pid	process
1284	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exespoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mssin32.exe"	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mssin32.exe"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

spoolsv.exe314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

Drops file in System32 directory 6 IoCs

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File created	C:\Windows\SysWOW64\vcl32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File created	C:\Windows\SysWOW64\mssin32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File opened for modification	C:\Windows\SysWOW64\mssin32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File created	C:\Windows\SysWOW64\concp32.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

Drops file in Windows directory 2 IoCs

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

description	ioc	process
File created	C:\Windows\spoolsv.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
File opened for modification	C:\Windows\spoolsv.exe	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

Modifies registry class 12 IoCs

Processes:

spoolsv.exe314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\ax = c5c41d9dcb2317ff038a64824b4c0174	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F267B9-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

pid process

1344 314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

pid	process
1344	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe

description	pid	process	target process
PID 1344 wrote to memory of 1284	1344	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe	spoolsv.exe
PID 1344 wrote to memory of 1284	1344	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe	spoolsv.exe
PID 1344 wrote to memory of 1284	1344	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe	spoolsv.exe
PID 1344 wrote to memory of 1284	1344	314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe
"C:\Users\Admin\AppData\Local\Temp\314867a415704b50c2d4d29c2d0feae6e821de7a668099f42ffa820d87fe7eaf.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\spoolsv.exe
C:\Windows\spoolsv.exe
2⤵
- Modifies system executable filetype association
- Executes dropped EXE
- Modifies Installed Components in the registry
- Adds Run key to start application
- Modifies registry class
PID:1284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\spoolsv.exe

Filesize
610KB

MD5
f67b1efca0cb8171bff65cc37cf01036

SHA1
9bbb05ecdcefc87cf143c0d360c60a76c11f9702

SHA256
527c64295026cf88bfa9a2316138de97cef4824c28368afc530dd389e7dcfc96

SHA512
5124c68768dc1accd17deff587091431e5389c999efceeb881942ba039f1d4deafceebe60ceba6be8da208f616d6f0c650a383453c8e1f4f182142d356df3a4b

Download Submit
memory/1284-55-0x0000000000000000-mapping.dmp

Download
memory/1284-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1284-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1344-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1344-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads