5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47

General

Target

5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Size

736KB
MD5

9008345ad8ad9e8d04d39d48bf48f3ef
SHA1

d9c2c90d0acf7d594d1d63b81baa2aa82f0a9bf1
SHA256

5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47
SHA512

dab988252ad735fe62e61419398ca3721e2e3b9029a0bf929c87ce67adc5ef884794abd3ec8cd1c3f99b6ffae6c135bf44e42256414f0eaa3a5883b3933777ef
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ougtHEg/7Q4hvaJAPFqOm2SgBk5pNLCs:UsW/WNSZ8CLGETEjgXs4hDFqCLBkLNH

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\" %*"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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
284	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\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msddo32.exe"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msddo32.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\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\SysWOW64\msddo32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File opened for modification	C:\Windows\SysWOW64\msddo32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\SysWOW64\concp32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\SysWOW64\vcl32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\spoolsv.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\spoolsv.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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\" %*"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-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\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69C98D9-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 56c7affa9773a586e424bb6ab75c7585	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2036	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 284	2036	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe	28
PID 2036 wrote to memory of 284	2036	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe	28
PID 2036 wrote to memory of 284	2036	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe	28
PID 2036 wrote to memory of 284	2036	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe	28

C:\Users\Admin\AppData\Local\Temp\5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
"C:\Users\Admin\AppData\Local\Temp\5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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:2036
- 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:284

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
739KB

MD5
3d62d24c580e4040bacba26e66f36ede

SHA1
61fecaf229eab44f344ba079631975cdeb4bc254

SHA256
b935e415e6fbbedd44cf57964ecf52fe2be656cbb919a0117559afa642cc6612

SHA512
cb7acb44baa75fbb00556da4c78aed7b3735f0db50cff6c5d1634d0404049f71fb181cdaca5608ec8f735f18fab9d33462adab1a097caf89b8b63023d4896c88

Download Submit
memory/284-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/284-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2036-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2036-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads