09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2

General

Target

09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Size

585KB
MD5

821bcbaa88c97166861b56c58474bcfd
SHA1

f14fe47792e7230ff9e5e9975355c37e328fa163
SHA256

09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2
SHA512

a0661c786102d3635bfc314700e033adb32130049c181d73a675466ed26042baa287e86ded01bc0f304ec039932738373ebc481e4fa44552cc7579e19d050a30
SSDEEP

12288:UsAqMGHGSX1388BxGVI43GVpinJ2suEn23teGb/2tEgL+msup8Y:UsBbW1SaUEn2deGbSEO+ruJ

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.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

pid	Process
940	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshex32.exe"	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshex32.exe"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File created	C:\Windows\SysWOW64\mshex32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File opened for modification	C:\Windows\SysWOW64\mshex32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File created	C:\Windows\SysWOW64\concp32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
File opened for modification	C:\Windows\spoolsv.exe	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 0951ad13fb70221850a212d1feb15abc	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}	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\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9D526A5-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1776	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 940	1776	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe	28
PID 1776 wrote to memory of 940	1776	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe	28
PID 1776 wrote to memory of 940	1776	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe	28
PID 1776 wrote to memory of 940	1776	09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe	28

C:\Users\Admin\AppData\Local\Temp\09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.exe
"C:\Users\Admin\AppData\Local\Temp\09f537c81adc1cbab803191db7d578ea0dd07b0a04e60575c7f18b14ef1a4ff2.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:1776
- 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:940

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
586KB

MD5
5aaf060a241931cfd5a5b38d3817ac52

SHA1
9353bf277ccce913f8ab6884211d9438729b0a70

SHA256
aba0060f698632399635ef50f774551716814e028d904c0805a8ded4cdb41877

SHA512
ef0eccb08a76bb1b3e1be14defec056c8d9839bc48e2aca6a72862c18fc541bde223a01981a0e5f12df2d9b82736fcf1bfdd08d2fac5d5a0eee4cc077b6f1778

Download Submit
memory/940-55-0x0000000000000000-mapping.dmp

Download
memory/940-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/940-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1776-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1776-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads