67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293

General

Target

67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Size

394KB
MD5

80f2e1ca43df85a103d652f06a3f5ac0
SHA1

f5d3dec94884e83ee61b4cffb403a30ad0046348
SHA256

67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293
SHA512

aa05fa018d6aabbbd303f3fc06db55d18f78ef2bf95eb8b7f75fdabcbcc8f8e692d38711dc09d3e56628818d71ab44f564eafbf99d3fc077d30656d0b7d4f48b
SSDEEP

6144:MRAhhJxX7bNIAROzTuaGzLcv0vs+Tt9GtJpPk3k69Y1ZAYknoI3fYSzz8s536qr7:UsAAPaGgN+7GJTZsoI3rz8C6qVN

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\" %*"	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.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
1364	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\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjve32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjve32.exe"	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1BCF381-8B9A-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
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"	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File created	C:\Windows\SysWOW64\vcl32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File created	C:\Windows\SysWOW64\msjve32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File opened for modification	C:\Windows\SysWOW64\msjve32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File created	C:\Windows\SysWOW64\concp32.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
File opened for modification	C:\Windows\spoolsv.exe	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 168140619b85e5eb527274144a1fd639	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-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\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1BCF381-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1896	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1364	1896	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe	28
PID 1896 wrote to memory of 1364	1896	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe	28
PID 1896 wrote to memory of 1364	1896	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe	28
PID 1896 wrote to memory of 1364	1896	67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe	28

C:\Users\Admin\AppData\Local\Temp\67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.exe
"C:\Users\Admin\AppData\Local\Temp\67d6dc5f7dcf4f4985cc2916f0a467a5ab0a943367c0fd947370379c2ce28293.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:1896
- 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:1364

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
395KB

MD5
d79484abad05091dab7b1abe7061b9bd

SHA1
b3fa91e38f532a66b4c71d138e4215610d46d14a

SHA256
e5d601a20e8818ae47ead26a3a1295a32ded577e0644ff4db1a6239ecb354669

SHA512
5ea20017d934ba9ef8a8ec57a6cbc5a1121adecb76f6be7ca7e665c19c90d7d9d77162f96f8182fc269ff70985aa3e28e9810884627a876cfcc8730997229f28

Download Submit
memory/1364-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1364-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1896-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1896-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads