5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742

General

Target

5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Size

84KB
MD5

7ee390f5e7b0cfb7c8c642f66c91a7c0
SHA1

4b3536ff664593ab504f9827dac835dc78b57784
SHA256

5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742
SHA512

de70aa0f143446219a3c96e73f294b0e88751f6201111191a52ef4f931771ff63aec6f9253e286af40ae9a787d71f7d59d60157a2c4b2f23c914e385dc6dc4ee
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWONOfNpKx4:GhfxHNIreQm+HiwOfNpKx4

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2064	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.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	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.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	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
File created	C:\Windows\SysWOW64\¢«.exe	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
File opened for modification	C:\Windows\system\rundll32.exe	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.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\exefile\shell\open\command	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716268675"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716268675"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2064	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
2064	rundll32.exe
2064	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28
PID 2980 wrote to memory of 2064	2980	5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe	28

C:\Users\Admin\AppData\Local\Temp\5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.exe
"C:\Users\Admin\AppData\Local\Temp\5510219bd5e48f7e36d15616bc1ae48096defb97df79944f7d6fafbf31e48742.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:2980
- 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:2064

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
79KB

MD5
950003f14f5a1557020bc99d1d4d3906

SHA1
41101c32ac8a9b6ba6e7528176f105d7d2b8562f

SHA256
d77eecb4c6450248cf6f195d4546fd9d77910195587216c474bfb014b97e188c

SHA512
ddc3fa06c117d89166e4c5d818e8c838a4631f9c9c671c37c37f0ae8816d697de465dd9ab7897f7bb73251b87bb911878e0fcba5dce7f7869b52519ffaf34d40

Download Submit
\Windows\system\rundll32.exe

Filesize
77KB

MD5
060d195e55dee142e33ce6bad733f1ef

SHA1
37d7c63f2d14a28d57533cccbb83e57e0a64ce30

SHA256
ab4840927f231e0fae0a11e1bce1e3d63dba00b6c67059034242dfa7cb290e29

SHA512
f6418710acaedfd663483ef25b152c2e90baf0f0621062e5c7c4035f07eba5f9b54b0036ae86cd32b165606a5ace840f0b1c102be481dc8c6df625ad112bdaab

Download Submit
memory/2064-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2980-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2980-12-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2980-18-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2980-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2980-22-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads