595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f

Analysis

max time kernel
101s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2022 15:00

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General

Target

595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Size

605KB
MD5

71e172bc4404b8fed4f288dfd883ac40
SHA1

077cd5d39ec9492edc7e361ac9972c8de1322aac
SHA256

595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f
SHA512

1c2d65a61686079ca55e6a313108e0d473290b60e877d1d626ca712f61a7d8ac381b92b0b29175eff8d251527ff53c06bdf7eb63ffd0afa19bad6c7208ae1515
SSDEEP

12288:UsA1mIRjZp9IyTFCMXSWEOIsgsg+Qv12m1DKbMT51yncOzXXMoOt6qVN:UsnIPp9IyTFC00OIso1lYeycOzMTtdN

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\" %*"	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe

Modifies Installed Components in the registry 2 TTPs 2 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\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msxmf32.exe"	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.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"	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
File created	C:\Windows\SysWOW64\msxmf32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
File opened for modification	C:\Windows\SysWOW64\msxmf32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
File created	C:\Windows\SysWOW64\concp32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
File created	C:\Windows\SysWOW64\vcl32.exe	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
444	4944	WerFault.exe	78

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F9A6E3E-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 882b9e2946c657aefcb64c01e79c9fdd	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4944	595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe

C:\Users\Admin\AppData\Local\Temp\595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.exe
"C:\Users\Admin\AppData\Local\Temp\595b0de32da4b55cc569037c382c3c4e21b401edcce686581ee805920b73e78f.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:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 772
  2⤵
  - Program crash
  PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:2248

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

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Downloads

memory/4944-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4944-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download