bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7

Analysis

max time kernel
178s
max time network
193s
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

bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Size

763KB
MD5

963716cdf16160ab4dcff82584b5b380
SHA1

e361e56c9505f29f58dee3e81b4ad03a58e309bd
SHA256

bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7
SHA512

293f506b10a7af4f40f4935b054004e8a4eddb37ca9cbe281bb2dfd5645c6785b74fffc288b56397dc661799108714d9e30cbe57d474edffce4896b7662ac8cc
SSDEEP

12288:UsAAPaPUD18t/R/OgRs6dBFnD0YvK2CSzfC26NE44oT/TEgIUpxT+zJpdW6qVB64:UsMP7tMEs6dfoYvZfmiDo8gpl+92dBdN

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\" %*"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.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\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msctg32.exe"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.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"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File created	C:\Windows\SysWOW64\msctg32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\SysWOW64\msctg32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File created	C:\Windows\SysWOW64\concp32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	896	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 06a3d7e729a40a6b78bb561ef7780d23	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{233FEEA0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
896	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

C:\Users\Admin\AppData\Local\Temp\bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
"C:\Users\Admin\AppData\Local\Temp\bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.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:896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 776
  2⤵
  - Program crash
  PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 896 -ip 896
1⤵
PID:3916

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/896-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/896-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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