4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433

Analysis

max time kernel
96s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 06:53

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General

Target

4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433.dll
Size

84KB
MD5

328bf5cd930e224839b3cc3948d4aaa5
SHA1

4e51fd977804fa767c5331fd5ffca009c3620c22
SHA256

4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433
SHA512

65d4e7e1c47baf71bcc590c38ea15131f75a319e730e620c10b5ee800c483d874a46fb99a383ba24750b16c7692e663c5e753d13bfd1b82647927af445694f30
SSDEEP

1536:i2gY5TLetKp1R+6ENHufJYtjSDro+hfdCgO3Hd+A6pXw2gBwaTNFY:tTLQKfQ6ENHXBSw+9dWtoXJgBwaJF

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ConnectTo = "{876764a8-dc7a-4093-8de1-b0349f846dd7}"	regsvr32.exe

Loads dropped DLL 2 IoCs

pid	Process
4948	regsvr32.exe
4948	regsvr32.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Connect\ConnectTo.dll	regsvr32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{876764a8-dc7a-4093-8de1-b0349f846dd7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{876764a8-dc7a-4093-8de1-b0349f846dd7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{876764a8-dc7a-4093-8de1-b0349f846dd7}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Connect\\ConnectTo.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{876764a8-dc7a-4093-8de1-b0349f846dd7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4948	regsvr32.exe
4948	regsvr32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4948	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4948	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 4948	1712	regsvr32.exe	80
PID 1712 wrote to memory of 4948	1712	regsvr32.exe	80
PID 1712 wrote to memory of 4948	1712	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433.dll
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Connect\ConnectTo.dll

Filesize
84KB

MD5
328bf5cd930e224839b3cc3948d4aaa5

SHA1
4e51fd977804fa767c5331fd5ffca009c3620c22

SHA256
4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433

SHA512
65d4e7e1c47baf71bcc590c38ea15131f75a319e730e620c10b5ee800c483d874a46fb99a383ba24750b16c7692e663c5e753d13bfd1b82647927af445694f30

Download Submit
C:\Program Files (x86)\Common Files\Connect\ConnectTo.dll

Filesize
84KB

MD5
328bf5cd930e224839b3cc3948d4aaa5

SHA1
4e51fd977804fa767c5331fd5ffca009c3620c22

SHA256
4c169812548b7514833e48e33fdbaee5c049037e46e05e5ce403875ca876f433

SHA512
65d4e7e1c47baf71bcc590c38ea15131f75a319e730e620c10b5ee800c483d874a46fb99a383ba24750b16c7692e663c5e753d13bfd1b82647927af445694f30

Download Submit
memory/4948-135-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

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