886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514

General

Target

886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Size

76KB
MD5

23e0c666dc0e0245f8154db27629c734
SHA1

b290d6e5c311a97877052b1372039144c894c63c
SHA256

886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514
SHA512

90b272a353b1637d16a06a4cdf544536a4e5d098c91489ace73a9cfaa90e711e6cc3b682e9f0fd4d13ae07bd16e85e445b7ea54d4dd864c253373cc3136f8420
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO36h:GhfxHNIreQm+Hig6h

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2648	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
File created	C:\Windows\SysWOW64\¢«.exe	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
File created	C:\Windows\system\rundll32.exe	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697433529"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697433529"	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\exefile\shell\open\command	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
2648	rundll32.exe
2648	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28
PID 2244 wrote to memory of 2648	2244	886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe	28

C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
"C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.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:2244
- 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:2648

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
76KB

MD5
fd301f420ea157bf6edfc9b798692d2d

SHA1
2db7fc64b49c4956d1cbba3b850849e24113e05b

SHA256
dde9e1b84b9a67e12d0d63af3e179875177688bf1e441d29060e9003bf77e594

SHA512
78fdcb4e4d414c025d35bdae1dd2f9a2247aa49431f437b8a9df6ec6224f0c982276daebdd725d30da8e95004eefa2c36ba3df128b8c9e90dc0b9365c8ef9450

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

Filesize
74KB

MD5
566959dcfc6f0616f0a852b049bd4b6a

SHA1
2a4ee35efbea006a95dcd3479c7843ae076971db

SHA256
659e4c8167413fb8f3c2f352ead79d1cfcac6ab3bc47308c37eb10a938d8cd42

SHA512
15107599e28bc03c049ca342406ae821df159870adce06c1cc7ef7e110814047132f0f740e7dbbafdc33acf394e9e23a54fe0ae96c2699cc6f8e6bf8d8f7b1fa

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

Filesize
74KB

MD5
566959dcfc6f0616f0a852b049bd4b6a

SHA1
2a4ee35efbea006a95dcd3479c7843ae076971db

SHA256
659e4c8167413fb8f3c2f352ead79d1cfcac6ab3bc47308c37eb10a938d8cd42

SHA512
15107599e28bc03c049ca342406ae821df159870adce06c1cc7ef7e110814047132f0f740e7dbbafdc33acf394e9e23a54fe0ae96c2699cc6f8e6bf8d8f7b1fa

Download Submit
\Windows\system\rundll32.exe

Filesize
74KB

MD5
566959dcfc6f0616f0a852b049bd4b6a

SHA1
2a4ee35efbea006a95dcd3479c7843ae076971db

SHA256
659e4c8167413fb8f3c2f352ead79d1cfcac6ab3bc47308c37eb10a938d8cd42

SHA512
15107599e28bc03c049ca342406ae821df159870adce06c1cc7ef7e110814047132f0f740e7dbbafdc33acf394e9e23a54fe0ae96c2699cc6f8e6bf8d8f7b1fa

Download Submit
\Windows\system\rundll32.exe

Filesize
74KB

MD5
566959dcfc6f0616f0a852b049bd4b6a

SHA1
2a4ee35efbea006a95dcd3479c7843ae076971db

SHA256
659e4c8167413fb8f3c2f352ead79d1cfcac6ab3bc47308c37eb10a938d8cd42

SHA512
15107599e28bc03c049ca342406ae821df159870adce06c1cc7ef7e110814047132f0f740e7dbbafdc33acf394e9e23a54fe0ae96c2699cc6f8e6bf8d8f7b1fa

Download Submit
memory/2244-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2244-12-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/2244-17-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/2244-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2244-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2648-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2648-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads