bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493

General

Target

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Size

181KB
MD5

536eadb6aed505ec44c3055c3d4dbb1e
SHA1

df1e3513bf587bef17e7461eefd1146d980964a9
SHA256

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493
SHA512

f319fcd9d71b62fd456a9d9ad735f768f787970b9251d20e284fc8817899d828c32cdd74831bf9b141257f07890abb67a7911bd721c3b5c7e5ab7b20f9b3312b
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ONtNmlngmx5MODNzKQTtUIdtkejZuo4QD:MRAhhJxX7bNIFlJRUI8ejZuo1D

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:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.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

1136 spoolsv.exe

pid	process
1136	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exespoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvhr32.exe"	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvhr32.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.exebd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

Processes:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File created	C:\Windows\SysWOW64\msvhr32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File opened for modification	C:\Windows\SysWOW64\msvhr32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File created	C:\Windows\SysWOW64\concp32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

Drops file in Windows directory 2 IoCs

Processes:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

description	ioc	process
File created	C:\Windows\spoolsv.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
File opened for modification	C:\Windows\spoolsv.exe	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

Modifies registry class 12 IoCs

Processes:

spoolsv.exebd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	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\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\ax = f180334ecfdd876b93947e984d4a8267	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{58747AED-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

pid process

1660 bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

pid	process
1660	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe

description	pid	process	target process
PID 1660 wrote to memory of 1136	1660	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe	spoolsv.exe
PID 1660 wrote to memory of 1136	1660	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe	spoolsv.exe
PID 1660 wrote to memory of 1136	1660	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe	spoolsv.exe
PID 1660 wrote to memory of 1136	1660	bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.exe
"C:\Users\Admin\AppData\Local\Temp\bd06f6295bc3f5da1dd63c35f394727d15f2c4d733007de22178fbfece67d493.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:1660

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:1136

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

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Downloads

C:\Windows\spoolsv.exe

Filesize
182KB

MD5
60919f1d0502ebbf38870612ae36cba6

SHA1
d4c4288621326c721cfa2d553c231b35a668b66a

SHA256
41bdf4ae05294625887fa50a9ef257f6102770a990c8aa010789144b0d6a9a3b

SHA512
098cdead1fcd79d39eafc227f9a03438325df5c066d8f567b298d9f5102995728d3a6aeb2ddef92f014adae1d0266a1ce29c498fb223af06d1b890bd8e643a50

Download Submit
memory/1136-55-0x0000000000000000-mapping.dmp

Download
memory/1136-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1136-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1660-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1660-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads