08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676

Analysis

max time kernel
93s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 10:02

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General

Target

08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Size

719KB
MD5

e518522b7d5cb130a97980309cbcb6e3
SHA1

f9f5ac2678c506448a0a48fd951e565c6b52e94c
SHA256

08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676
SHA512

239967eb7f100fbc4193ac8aae3b645d92ecf90eac368777cfa327874bca1618ad585b59c054726d8990f937cd1013adde49c32b78af5094f8ebae194942486b
SSDEEP

12288:UsA1mIRjZp9IyTFCMXSWEOIsgsg+8nS+KXVs2cRZxeACeHnbIsjEKqQ:UsnIPp9IyTFC00OIswnS+uQnFTQKqQ

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\" %*"	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.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\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mswyw32.exe"	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.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\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mswyw32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
File opened for modification	C:\Windows\SysWOW64\mswyw32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
File created	C:\Windows\SysWOW64\concp32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
File created	C:\Windows\SysWOW64\vcl32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3196	4916	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 2bbd81653a42231a1fa26fe0e4552a9c	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE3F7594-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4916	08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe

C:\Users\Admin\AppData\Local\Temp\08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.exe
"C:\Users\Admin\AppData\Local\Temp\08986aa8dfdd2ece3dd4b2d55d5b25210dc737d9b214a604df939757509c0676.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:4916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 756
  2⤵
  - Program crash
  PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4916 -ip 4916
1⤵
PID:4224

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/4916-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4916-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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