684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da

General

Target

684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Size

77KB
MD5

01119b49e0df05813cb902d617987c8d
SHA1

61f6895a0bd6301840d8e7d27e1e93950967b6ab
SHA256

684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da
SHA512

40ddf5d87cdaf01b3f40fac0515d2a57ce88f1f29982e32e3c5b36bda3f68b0c9e80424bc2515c2d35ff90e1c46e43702a4de99b14204fd318e4ac2fc1899dcc
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOXyC:GhfxHNIreQm+HiQyC

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2036	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.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	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.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	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
File created	C:\Windows\SysWOW64\¢«.exe	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
File created	C:\Windows\system\rundll32.exe	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716160678"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.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\MSipv	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716160678"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2036	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
2036	rundll32.exe
2036	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28
PID 1952 wrote to memory of 2036	1952	684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe	28

C:\Users\Admin\AppData\Local\Temp\684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
"C:\Users\Admin\AppData\Local\Temp\684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.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:1952
- 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:2036

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

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
86KB

MD5
17156bb892e59bec753e102a63332d48

SHA1
ffb555d46bb590df4a77a46fb3c5a5f51ceb5a7e

SHA256
4a9400ce11f58ab22efded5202da4ec6215a82a73bdf4d4aaf7114669dc5d682

SHA512
07b4c7044fd6bc1e53d1424c1b7ebedb448855f9c39f7f09b8aca9bcf53c0b74fbd88e304c6c0e9b8411af0cbf60fdb126bf61a4c8f22c61c56683822dc49034

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
5ffb7ed93a94336288743226cdf59df4

SHA1
1f354bac3649f5ab0ea7e82888113a6d2c873a29

SHA256
8f21c2043b0e5ada5833054c5218c98f78c7c9e650a0534ab5c7d5e583cd30f2

SHA512
45b1594000ccf8ee5fb3c3ae3de54edb65e7e5482543281160b2954e62c63199bc3ddfbf97b0886c268d83b1ac3576421620a6a2cb1d06b4257b79fd8a69e977

Download Submit
memory/1952-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1952-18-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/1952-17-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/1952-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download
memory/1952-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2036-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads