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 1 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

Modifies Installed Components in the registry 2 TTPs 2 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\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjwp32.exe"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Adds Run key to start application 2 TTPs 2 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"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\msjwp32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File opened for modification	C:\Windows\SysWOW64\msjwp32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
File created	C:\Windows\SysWOW64\concp32.exe	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3456	3040	WerFault.exe	80
3360	3040	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DBBA91AC-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 840fb6813850f4cbf86a5c55a71eb8db	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3040	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3456	3040	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	83
PID 3040 wrote to memory of 3456	3040	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	83
PID 3040 wrote to memory of 3456	3040	bf5ca7a9b081af52a9e41eafbd97c558a71e36dce4d7c1331d08ec3b11bc18bf.exe	83

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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 720
  2⤵
  - Program crash
  PID:3456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 720
  2⤵
  - Program crash
  PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3040 -ip 3040
1⤵
PID:4848

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

memory/3040-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads