d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f

General

Target

d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Size

546KB
MD5

0d0b4f03f8819b4412456f9b6569fbb4
SHA1

94b34849bb83cb141e697954e4a7a9ebacf7a9a9
SHA256

d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f
SHA512

ecfa0d006136ab620776cd6305f03294922b955e17bcab7f8f0c32a8611f7380b6733d124881f9fea0a8b3b1581666e0341bc1758c15e190624807babe16fad1
SSDEEP

12288:UsA1mIRjZp9IyTFCMXSWEOIsgsg+8KbPYX3xq6NSGCk0qMqXiGmcQ70:UsnIPp9IyTFC00OIswrSu0GmcQ70

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\" %*"	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe

Modifies Installed Components in the registry 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\Active Setup\Installed Components\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgbe32.exe"	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.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"	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msgbe32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
File opened for modification	C:\Windows\SysWOW64\msgbe32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
File created	C:\Windows\SysWOW64\concp32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
File created	C:\Windows\SysWOW64\vcl32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4204	1128	WerFault.exe	80
3728	1128	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C090BFE6-8B9A-11D5-EBA1-F78EEEEEE983}\ax = f2867debf11f637d73170bce8c26ff20	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1128	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 4204	1128	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe	84
PID 1128 wrote to memory of 4204	1128	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe	84
PID 1128 wrote to memory of 4204	1128	d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe	84

C:\Users\Admin\AppData\Local\Temp\d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.exe
"C:\Users\Admin\AppData\Local\Temp\d3f2f5cde3a916777aeb89c2fbe9f8fd277534b7bc9e75e8483a37d5827e2d0f.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
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 772
  2⤵
  - Program crash
  PID:4204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 772
  2⤵
  - Program crash
  PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1128 -ip 1128
1⤵
PID:2972

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/1128-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads