bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf

General

Target

bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Size

827KB
MD5

639ea6b4618e4dce4df3ec90c2bbdff0
SHA1

be6f749ba1b36ffd115f1e5b3915babe051e3e70
SHA256

bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf
SHA512

02ace79ce72e911d72680526aff226c179a29b947e183150ca2cb256cd62045100c7d01971967f8d22123cf1ef17eb5597d6ff27ec3babce7fb1837e63ac2830
SSDEEP

24576:UsW/WNSZ8CLGETGaFZMOJ3BsXO3fH3+fdN:Up/HiCHqa7TBaO3vAN

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\" %*"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1100	svchost.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\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrwr32.exe"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrwr32.exe"	svchost.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msrwr32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File created	C:\Windows\SysWOW64\concp32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File created	C:\Windows\SysWOW64\vcl32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File created	C:\Windows\SysWOW64\msrwr32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File opened for modification	C:\Windows\svchost.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 919a2b7a1c54b653e668023a27cb176f	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD9E32D0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1324	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1100	1324	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	27
PID 1324 wrote to memory of 1100	1324	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	27
PID 1324 wrote to memory of 1100	1324	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	27
PID 1324 wrote to memory of 1100	1324	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	27

C:\Users\Admin\AppData\Local\Temp\bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
"C:\Users\Admin\AppData\Local\Temp\bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.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:1324
- C:\Windows\svchost.exe
  C:\Windows\svchost.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:1100

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\svchost.exe

Filesize
827KB

MD5
8d00210009c0f68e427e7a6ee803577a

SHA1
68cfa720b3918cdb93a8ba8efb0867fb0ed5e1aa

SHA256
96ec105763d2dc6528c393c370804903552a54c7e617a58daabcc3647b931570

SHA512
4c535d75ce2c25564c8c9c5bb6277e96d94fbf0ea0d906e8abd3ac1cef0d2b2c4435fda2a87c697d759139e3061753f61fd05221b1a971c67a1b2a1f5855f805

Download Submit
memory/1100-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1100-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1324-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1324-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads