6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70

General

Target

6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Size

84KB
MD5

0b6903d6da4a0bbc704df62bf5a45a76
SHA1

0ec6e573a4312ea88f3bd7f0e9bd909cb40940ce
SHA256

6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70
SHA512

8e1969c50d20a19d667038b712273f03e94e64c0a2b0133cb2587ed2ed7447efd37cdacc47efcdbba97437e6452cc135ee4b2f4de1ce173c5918d16b08f51dc6
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOkeqfiFhO9EI:GhfxHNIreQm+Hi3RfiFhO9EI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2520	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
File created	C:\Windows\SysWOW64\¢«.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
File created	C:\Windows\system\rundll32.exe	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1715923454"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1715923454"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2520	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
2520	rundll32.exe
2520	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28
PID 1712 wrote to memory of 2520	1712	6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe	28

C:\Users\Admin\AppData\Local\Temp\6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe
"C:\Users\Admin\AppData\Local\Temp\6bc12ab82ef64209cda5f20adfb25b84d0b5a3a56eabb02ed5a14336a3ac4d70.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
77KB

MD5
9e07b5e0fe999e6c28c7e76a832c5d0b

SHA1
0c94b56e7811f49cee2c2bfa6d696a9c5136dcf9

SHA256
930676e5ab78e7fa6fcab69562a1a8ed50467e4aaf7af3bf7d32a2a4a08b6afa

SHA512
e1dadf1082611b24fb378c14ae22b830e2f4e5fe1b8d702227505c4f67b964b45c3edcd324f1ce55e85d97cf2e628821ef092db81c007395e3e2d6bc52642286

Download Submit
C:\Windows\system\rundll32.exe

Filesize
74KB

MD5
05afe5bd4405dfaf62c25f4ab24832f4

SHA1
aa3c6636a9ee721f579e1fe3207ab68397f967e1

SHA256
b043bd01bcaf8a238d19fa1f09c803c94f5918f1fb4dfdd81818e044b98a97a7

SHA512
1eb417c05489d2431cc778785a3d24095d4115da7cbe9145a187fd57fd46d7226812d2dadaa3ffe0308a74b00b04479d90ae1de0d1d33b26a8c5fc1bfa9e9e41

Download Submit
memory/1712-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1712-19-0x00000000002B0000-0x00000000002C6000-memory.dmp

Filesize
88KB

Download
memory/1712-18-0x00000000002B0000-0x00000000002C6000-memory.dmp

Filesize
88KB

Download
memory/1712-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1712-22-0x00000000002B0000-0x00000000002B2000-memory.dmp

Filesize
8KB

Download
memory/2520-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads