bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf

General

Target

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Size

602KB
MD5

f7bc77771080b473fe14f759f0faefc6
SHA1

0e48ba6e10628e8dd08cd7b1f37ec4bfafaac2f9
SHA256

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf
SHA512

7403499b192990cb991e7a29af6a8a2bd0ee16086c2c492de9ff69b8a3bdbe180170bb566794dd2325dbd2dabf96e3aa5bbe2a541cdd2d6212bf4b8ecbaa1eb5
SSDEEP

12288:UsAqMGHGSX1388BxGVILSY4oSe8lUzVA2C27L9fBFvwYkTpyeOHUd:UsBbWOSY4He8K22C2f9fVBi

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:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.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

572 spoolsv.exe

pid	process
572	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exespoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msctf32.exe"	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msctf32.exe"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File created	C:\Windows\SysWOW64\msctf32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File opened for modification	C:\Windows\SysWOW64\msctf32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File created	C:\Windows\SysWOW64\concp32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

Drops file in Windows directory 2 IoCs

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

description	ioc	process
File created	C:\Windows\spoolsv.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
File opened for modification	C:\Windows\spoolsv.exe	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

Modifies registry class 12 IoCs

Processes:

spoolsv.exebab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\ax = c82cb36011a0a0a015a6739355250031	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{782BA149-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

pid process

656 bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

pid	process
656	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe

description	pid	process	target process
PID 656 wrote to memory of 572	656	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe	spoolsv.exe
PID 656 wrote to memory of 572	656	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe	spoolsv.exe
PID 656 wrote to memory of 572	656	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe	spoolsv.exe
PID 656 wrote to memory of 572	656	bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.exe
"C:\Users\Admin\AppData\Local\Temp\bab3f41ad65bb73b1f97eca3b1fb20f3b38091e50f2358306b13aba7b97c38cf.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:656

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:572

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

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Downloads

C:\Windows\spoolsv.exe

Filesize
603KB

MD5
30af892cda08b0b9cf376da937886ee2

SHA1
3a2a77d630d3069e721df036ff7cea7a3603422f

SHA256
ad55beb8321059aef4700574810601ae3b0ac553c06c313efbc886a2f2b1ed88

SHA512
c20ed950f8bcc0b2f64f7d5e8f63566f0f1176e6b6f3353dc9d1574e5f4fe65411d9f06ca5592c058ef843c638e1fa172e753fc7356ca6b03ddd634dbde3791a

Download Submit
memory/572-55-0x0000000000000000-mapping.dmp

Download
memory/572-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/572-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/656-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/656-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads