7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab

General

Target

7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Size

82KB
MD5

9cc17965a9e67a6d067e1336b1d2e5d8
SHA1

9f799da09568b0d0636d12ba51d6896925348922
SHA256

7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab
SHA512

ed9cc8855d85fa049f30c321d22db38c770d4c88e2f3e7e8b752a82b5da69592d57a8afbd1616b85eb5bd7536e04dba14c3d207920036a6a66a33af92471bd02
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOZWDHBy:GhfxHNIreQm+HiOWDHBy

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2180	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.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	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
File created	C:\Windows\SysWOW64\¢«.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
File created	C:\Windows\system\rundll32.exe	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718073443"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718073443"	rundll32.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2180	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
2180	rundll32.exe
2180	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28
PID 2820 wrote to memory of 2180	2820	7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe	28

C:\Users\Admin\AppData\Local\Temp\7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.exe
"C:\Users\Admin\AppData\Local\Temp\7284d993db1c95d454dabdd31cb52e007cb81bb6c455b6983ed86d29fad6abab.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:2820
- 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:2180

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

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
80KB

MD5
1094190101b3b7a5eceff48ed655eb8b

SHA1
ef8b20fea251ff5a8ddaa62e83d95520cb377ddc

SHA256
feb3f851f976d3fd571a03e947f17a03da223f5f551a2258335594e2e8009064

SHA512
86bf5d9b984da944a3145ac1d1587bfd6a259dec141dd01324b3683e3931f5b027a8702aa9686d0d99540b694e33d3fce4ea52eed48b5a7db5df4b93d2ad9e8c

Download Submit
\Windows\system\rundll32.exe

Filesize
77KB

MD5
6d865ff2f89ca491bc3ac76b24bce5b7

SHA1
1c4609ffb3c0a261d1ade37b615d711ae9f4764a

SHA256
0486c13baba88d53a824397bb0cb114ff93286428f58e53077cd6e5aa579e3e9

SHA512
ec8251f551205c078a0966cdb3af8acd6680a9cdd31d630916ce1ed11edf50dcb58f5307f0b9f6d790a0cc30157dad8669ebdae277cc7ec23200ab546b711a25

Download Submit
memory/2820-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2820-17-0x0000000000300000-0x0000000000316000-memory.dmp

Filesize
88KB

Download
memory/2820-18-0x0000000000300000-0x0000000000316000-memory.dmp

Filesize
88KB

Download
memory/2820-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads