0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272

General

Target

0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Size

243KB
MD5

81a3bdeb97df4d19f71be40a7eb3bbc6
SHA1

a523f66a98710dc9a74300299d175bab9623c5c2
SHA256

0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272
SHA512

756792c650a6561d9e9a1483fd4f4377ba08510a42d7e6fdc0b4c722ba4a7ddda23b20877183d9d54bf9b9785691c5cf923d70ab87dc0f617d4a657df97a2e8b
SSDEEP

6144:MRAhhJxX7bNIAROzTuft0Mt+til+XDVLCdrt1NpTX:UsAAPF0Mt+Il+zgdrtzd

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\" %*"	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.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
1116	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskfl32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskfl32.exe"	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}	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\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mskfl32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File created	C:\Windows\SysWOW64\concp32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File created	C:\Windows\SysWOW64\vcl32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File created	C:\Windows\SysWOW64\mskfl32.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
File opened for modification	C:\Windows\spoolsv.exe	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 121a3e9a7630a67da238a5ad2e77fa41	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	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\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5B751B5F-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
560	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 1116	560	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe	28
PID 560 wrote to memory of 1116	560	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe	28
PID 560 wrote to memory of 1116	560	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe	28
PID 560 wrote to memory of 1116	560	0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe	28

C:\Users\Admin\AppData\Local\Temp\0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.exe
"C:\Users\Admin\AppData\Local\Temp\0cb6942c708bc43c4048d9154fbaedb68868fe6f48a81c01e955a8df7cb94272.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:560
- 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:1116

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
246KB

MD5
ab9110f706ab0a5ed3be9d9902927fa3

SHA1
8595c6487adbc4806ded177ce296ef7704ddba7e

SHA256
bd17605ff8a7d956a58d1d1c8dc274f6b9a31ef7d9d00b1f25b627d9e43c9c66

SHA512
b9a2d8b72f326e3e0bdf14c6c6c0f976a0b5165ff72449d087c2610129c4fc760f40c74d5c6cc1cc5c6a93c24b745adf96a1cedd8a295b773112610793f6bc44

Download Submit
memory/560-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/560-56-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1116-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1116-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads