339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f

General

Target

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Size

381KB
MD5

584d4ca4cdda425c8202a251c1428cc0
SHA1

85e3b08bb8a6ff3b87f681ad7417bde64a3b4873
SHA256

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f
SHA512

5ae7889cd63c96830c578f2bdba45d6ce37424f33bec6fd851c74b8200bbcba38fef815e224dd21fc3327ec870be2c02a9c8df44112a23ace84c77444e510285
SSDEEP

6144:MRAhhJxX7bNIKTQ/ary6Gpu8A4f1YDwzqOqe8Mu2eMI+5zaIU1tgsav:UsAL/WBvU1u6qOhFq+5GIU16sav

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

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mswsa32.exe"	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Drops file in System32 directory 6 IoCs

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\mswsa32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
File opened for modification	C:\Windows\SysWOW64\mswsa32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
File created	C:\Windows\SysWOW64\concp32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
File created	C:\Windows\SysWOW64\vcl32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4980 1692 WerFault.exe 339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

pid	pid_target	process	target process
4980	1692	WerFault.exe	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Modifies registry class 5 IoCs

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e4856ecdec8258474ca1c2f6906d1986	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91ABAE0-8B9A-11D5-EBA1-F78EEEEEE983}	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

pid process

1692 339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

pid	process
1692	339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe

C:\Users\Admin\AppData\Local\Temp\339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.exe
"C:\Users\Admin\AppData\Local\Temp\339f782bf2f2de9a986308b43311f346a443eec0e215df63304d229af89b826f.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:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 708
2⤵
- Program crash
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1692 -ip 1692
1⤵
PID:5016

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/1692-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads