a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39

Analysis

max time kernel
161s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 21:40

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General

Target

a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Size

270KB
MD5

96e9f63203c94e033ba8d9dbdccdf755
SHA1

14da76aa8bf9da771cb767534bf9ceecf65ec244
SHA256

a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39
SHA512

6d70a9fae8ae3e79d89ade69491e36bde1c22a679918fa45ec7031badd713ae8b9408a88e0e88f157104cba367f4de26ef06e4be13b6b5b17464fb1f78162359
SSDEEP

6144:MRAhhJxX7bNIAROzTuaPUD8XRuf0b4mt/HLIhTWRlb3nZbgI+:UsAAPaPUD18t/HkSlblY

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\" %*"	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.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\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msnfy32.exe"	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.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"	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\concp32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
File created	C:\Windows\SysWOW64\vcl32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
File created	C:\Windows\SysWOW64\msnfy32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
File opened for modification	C:\Windows\SysWOW64\msnfy32.exe	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
696	2380	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAB4992-8B9A-11D5-EBA1-F78EEEEEE983}\ax = f2d1c489d85fc4883c66150b61d34cb6	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2380	a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe

C:\Users\Admin\AppData\Local\Temp\a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.exe
"C:\Users\Admin\AppData\Local\Temp\a4da5df3fadd84e9a34ed104350110140d203d712edbbe04545b91e46b8e6d39.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
PID:2380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 732
  2⤵
  - Program crash
  PID:696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2380 -ip 2380
1⤵
PID:408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2380-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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