30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779

General

Target

30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Size

74KB
MD5

532ea4a4f2b17530b9455ef88a4b331e
SHA1

7eb2dcc1173b0762a445dcc805276bb8c4756645
SHA256

30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779
SHA512

7f0bc0c7f05160c3c47aaa6a5ce07e1986196c8172f9c26f22cacb2a318212cf7ded90b2134a313e1b747c2fefeb879059607bbd4a61e702265dabf7578c119b
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOO:RshfSWHHNvoLqNwDDGw02eQmh0HjWOO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4716	rundll32.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	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.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	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
File created	C:\Windows\SysWOW64\¢«.exe	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
File created	C:\Windows\system\rundll32.exe	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1724224750"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1724224750"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.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\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4716	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
4716	rundll32.exe
4716	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4716	464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe	87
PID 464 wrote to memory of 4716	464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe	87
PID 464 wrote to memory of 4716	464	30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe	87

C:\Users\Admin\AppData\Local\Temp\30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe
"C:\Users\Admin\AppData\Local\Temp\30e54a271ccd9cfb48daff15afe5f0b443922e0f693591c68d4cfcca7fc50779.exe"
1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4716

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
79KB

MD5
532c4abab8204c9837d20bfeb8a26346

SHA1
b120f9e4ba3591bdae4a557249e4b30d845d69ad

SHA256
918cf87bbafe15dc53df85ab1b8b58170355892c16e921ac62bf56fea71b4539

SHA512
23572044e96b76faf7263d855ad1db792bfd7d38101f18b8a63b069b6dd588551bff88e4c4e60ac15ea4e2b72e6de1997f5dd0881203177984ca7f0cdb3722af

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

Filesize
79KB

MD5
c929c9b4785fb225562f8fc74cd0ed06

SHA1
59cd7a646c5a21e15d703ebcd81b349a5bd27b4d

SHA256
7ed99db82494854b9feb4a6d4637373acada260837757f9dc27dc7385c45383d

SHA512
ee33aedc4c00beebf453ca90cd7a2fe8896fea032da84366f166b2b62c8f2339d79c0b24fc4bce086e604026ef9e75d0dd8259a980a956b6323857bf5f5e79da

Download Submit
memory/464-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/464-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4716-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads