706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51

General

Target

706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Size

77KB
MD5

1f204466c8589088b80c2d23f3c490e4
SHA1

866d19cb7a85873152f43494532ff803bd11d754
SHA256

706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51
SHA512

45104a40bfd4a7ba8050b20a18d0e2ad46b611bd55b791a9e8d6c17e9130108d56879b9a4485b1c1a075ca2e68849e8be0617c9291276d76a5dc1aed4dae6a40
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOV+VLr:GhfxHNIreQm+Hiy+VLr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3140	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	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.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	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
File created	C:\Windows\SysWOW64\¢«.exe	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
File created	C:\Windows\system\rundll32.exe	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1699854351"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1699854351"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	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\" %*"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.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

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3140	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
3140	rundll32.exe
3140	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3140	5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe	91
PID 5024 wrote to memory of 3140	5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe	91
PID 5024 wrote to memory of 3140	5024	706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe	91

C:\Users\Admin\AppData\Local\Temp\706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe
"C:\Users\Admin\AppData\Local\Temp\706414aa03af0314002192a4cb8f497949e2b297f57f212efdbf796cf0e49a51.exe"
1⤵
- 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:5024
- 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:3140

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
33218fbd50f651897a5d46518dc17ddd

SHA1
fc6a15ae4763ee57f2cec9a7a1237d458df170cb

SHA256
b0d69c398635e3e5cee953c89cea6a3195b26bd08cf35f4f847727fe76d4742d

SHA512
3952513b8950f6107c21755b2dd337ffe5769e3dba299fdcb1095e9c2740d794bc27d0649e4711c21754cef5ec282710c6a29dd7f79689b1b9708a02e165013c

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

Filesize
73KB

MD5
ca11ca57c0f49916c168833b3686f031

SHA1
913b3d127033a5afb9edefec63bae4cf3e49c791

SHA256
3be36af00bcdc934650e0ed49d7721c26de91e14e97a990f747a88f1819d90a8

SHA512
5c9fb68f8e3a8c114270249e8b40dc289022028179f61025c3f510aa9b4173a93b5ae37ec5c35002bbdcd669a04911453a995aefc922c75eea15618f7be2135a

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

Filesize
73KB

MD5
ca11ca57c0f49916c168833b3686f031

SHA1
913b3d127033a5afb9edefec63bae4cf3e49c791

SHA256
3be36af00bcdc934650e0ed49d7721c26de91e14e97a990f747a88f1819d90a8

SHA512
5c9fb68f8e3a8c114270249e8b40dc289022028179f61025c3f510aa9b4173a93b5ae37ec5c35002bbdcd669a04911453a995aefc922c75eea15618f7be2135a

Download Submit
memory/5024-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/5024-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads