3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28

General

Target

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Size

688KB
MD5

9860857ae826db539e9b7ee6aac5a45f
SHA1

731182257ec3679e4c98bd1d6bab868bfc67f7b0
SHA256

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28
SHA512

6342546c1a7fdd6f41fb43a3a9fda7de044fa9cc470195be638986e5adabb623cb136569a9234c99ed495b7118fbfbcd69b8caed31dca2ab0cf460a8052e4c61
SSDEEP

12288:UsAqMGHGSX1388BxGpDVzUm9AzO+nhuTO6OUHvgTqShXNirBDVO4ZRPyk:UsBbWHzUmxPBD4TqCo84ZRKk

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:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskfo32.exe"	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Drops file in System32 directory 6 IoCs

Processes:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\mskfo32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
File created	C:\Windows\SysWOW64\concp32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
File created	C:\Windows\SysWOW64\vcl32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
File created	C:\Windows\SysWOW64\mskfo32.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3784 4004 WerFault.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

pid	pid_target	process	target process
3784	4004	WerFault.exe	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Modifies registry class 5 IoCs

Processes:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 9872c42da30cff2d8a398a9f23641509	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3E46578-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

pid process

4004 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

pid	process
4004	3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe

C:\Users\Admin\AppData\Local\Temp\3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
"C:\Users\Admin\AppData\Local\Temp\3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.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:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 712
2⤵
- Program crash
PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4004 -ip 4004
1⤵
PID:4808

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/4004-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads