4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184

General

Target

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Size

841KB
MD5

b1f879b5ebd44fb0cdce6060704efd59
SHA1

3e73d5811f616cb49416bdb2301120f3f37a8536
SHA256

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184
SHA512

6da292c8f422ce106260aa6569e7acb00cc634cfe3e77671444c73063a8552ba84b26058147583aa2f617d70a00ce120ebe1ccfc95c0d7a6b33a6c9ac63b49fd
SSDEEP

24576:UsW/WNSZ8CLGETGaFZMOJ3BoYk1vAvtNB9G7XP:Up/HiCHqa7TBa1ovt8f

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:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.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

2000 spoolsv.exe

pid	process
2000	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exespoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvin32.exe"	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvin32.exe"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exespoolsv.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"	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

Drops file in System32 directory 6 IoCs

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File created	C:\Windows\SysWOW64\msvin32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File opened for modification	C:\Windows\SysWOW64\msvin32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File created	C:\Windows\SysWOW64\concp32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

Drops file in Windows directory 2 IoCs

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

description	ioc	process
File created	C:\Windows\spoolsv.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
File opened for modification	C:\Windows\spoolsv.exe	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

Modifies registry class 12 IoCs

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-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\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13B19E68-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3a5f4db234c97cd11a41c3f35dd604de	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

pid process

1488 4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

pid	process
1488	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe

description	pid	process	target process
PID 1488 wrote to memory of 2000	1488	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe	spoolsv.exe
PID 1488 wrote to memory of 2000	1488	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe	spoolsv.exe
PID 1488 wrote to memory of 2000	1488	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe	spoolsv.exe
PID 1488 wrote to memory of 2000	1488	4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.exe
"C:\Users\Admin\AppData\Local\Temp\4e97d0d0334cbc101ac269dff27a7599ae62e2c9f19b6aa469f7fbac955e6184.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:1488
- 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:2000

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
845KB

MD5
f5d6d2efbe87637f10ee0cfaf5e2b2cd

SHA1
75bc47b3a669e0d69b56204cf7524e0baa34ca24

SHA256
cf79c4c3b23a2d8b3aee0aabc0d59c3b7ee16cd60771755e27c978edf1edfc0e

SHA512
3298d2de2a09f9fa0f3c2a16b0b1576bf8c414e3ae95a978efabf0c45b3f1ef3d81dee47237133dfe391579f4d0b328c3a2690a152c6f23f6b4ef909bc79f9eb

Download Submit
memory/1488-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1488-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2000-55-0x0000000000000000-mapping.dmp

Download
memory/2000-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2000-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads