3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715

General

Target

3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Size

407KB
MD5

5310057c4dd36496fbf3c99c47f000e0
SHA1

0109272e442ad0f0d8efea011037594e3d5ca61f
SHA256

3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715
SHA512

85ea6fbcf93dc69a118b88023a95a19a7326a96f0b6aaecb646aa4aae5f49cfcb808c7890754248eaef095d14db59de43fd4267dfbfdff7706352c6be13dee12
SSDEEP

6144:MRAhhJxX7bNINTf4cC05nh+H0VSX138j/AB8uGVILSY4noXCeVf0CNf5SvG:UsAqMGHGSX1388BxGVILSY4oSe5/5L

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\" %*"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.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\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgqm32.exe"	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgqm32.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"	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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\concp32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File created	C:\Windows\SysWOW64\vcl32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File created	C:\Windows\SysWOW64\msgqm32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File opened for modification	C:\Windows\SysWOW64\msgqm32.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\spoolsv.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
File created	C:\Windows\spoolsv.exe	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.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\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1EC72685-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 0974710f29708fecb7939d90ff6320fd	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2024	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 940	2024	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe	27
PID 2024 wrote to memory of 940	2024	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe	27
PID 2024 wrote to memory of 940	2024	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe	27
PID 2024 wrote to memory of 940	2024	3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe	27

C:\Users\Admin\AppData\Local\Temp\3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
"C:\Users\Admin\AppData\Local\Temp\3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.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:2024
- 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

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Downloads

C:\Windows\spoolsv.exe

Filesize
409KB

MD5
12fa7ced5e8153ac6b1488c3033f36e4

SHA1
c12029402fd2cadd3e9407d22dc0c34f894385e1

SHA256
de9d429d3733ac75bce4eb454c65cb853c2cc994b59ef6171a860ccc41eccd44

SHA512
c82d8efb130645216d04cff8688ebbeec9e8aff96ef32fe3476024afb3608078b6c40396cdedce5ef4bb8255919ac426fff09db7aafa79da781891cdd38494d7

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

Filesize
212KB

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

Filesize
212KB

Download
memory/2024-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2024-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads