3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b

General

Target

3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Size

73KB
MD5

6a0793ab2ddc8c9a85e74c85acca87aa
SHA1

68e3299f98b63da0c7f950e3338568391df18831
SHA256

3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b
SHA512

2a4bd12560f1f0a5e5a8c614b749fdfaf259f82ea702f48bdf86e71d38f02f4381a3df81be82366fedb7c4e9ae5efd5dc84aa8e46116d66ddeb0ea27f2d64722
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO3R:RshfSWHHNvoLqNwDDGw02eQmh0HjWO3R

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2984	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
File created	C:\Windows\SysWOW64\¢«.exe	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
File opened for modification	C:\Windows\system\rundll32.exe	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe

Modifies registry class 15 IoCs

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\txtfile\shell\open\command	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	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1713841283"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1713841283"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2984	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
2984	rundll32.exe
2984	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28
PID 2276 wrote to memory of 2984	2276	3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe	28

C:\Users\Admin\AppData\Local\Temp\3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.exe
"C:\Users\Admin\AppData\Local\Temp\3077a0cf634319e7cd4ebe8ee0416c809bffc0099b5700e19b72e882afe3bd4b.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:2276
- 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:2984

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
78KB

MD5
7c5edadd02f4cf20aa480346f5dd5822

SHA1
dda9064c1d2a5deadae8298a675e5e0c58407349

SHA256
9711dd54e5397bcee0e2449ebd89e761241f65fe775f9f37063c616c34bb4a1f

SHA512
96aa75f4d942e8a751af49cba2bf856c92733a199742030b14465bc699ebf36c1718271cc54c93f84a653188388ce3192c03b79bb14b26cbddf0d7e3d93f23bc

Download Submit
\Windows\system\rundll32.exe

Filesize
77KB

MD5
b9fb7b4f20f83fdd3634d7e79cea7326

SHA1
34194073ad342c818282f6d8fa7f86f8a3d89bdf

SHA256
a70709db8152d487a312231c80e22b1c4f3a0d2e6e53e8fa92403746b5c36b27

SHA512
fbb2ca9e662efd9033936b44b86bd2b9bf8e5cfbb6f15bf18ceedf77710344de965692d6af15afe3b0b48f5516486da2a6635470e9328bc41fb6c3db22450465

Download Submit
memory/2276-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2276-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2276-17-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2276-22-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2276-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2984-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads