5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c

General

Target

5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Size

81KB
MD5

caec76d938e7bef3e79213ce1d287c15
SHA1

567caf28bf8c6c42ae26f2671c9f5f123f33bd01
SHA256

5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c
SHA512

c5cdcdcdf2e84ca3dd6ed687f0a9970b6059f1d89be71ce364f9b7c21db3a41ceb80f4910bc19e989362c847a4e634e518883cd7ca23ed6367f58d0fe2df2df3
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOuy:RshfSWHHNvoLqNwDDGw02eQmh0HjWOuy

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2216	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.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	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.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	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
File created	C:\Windows\SysWOW64\¢«.exe	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
File created	C:\Windows\system\rundll32.exe	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.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\" %*"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1715739294"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1715739294"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2216	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
2216	rundll32.exe
2216	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28
PID 2696 wrote to memory of 2216	2696	5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe	28

C:\Users\Admin\AppData\Local\Temp\5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.exe
"C:\Users\Admin\AppData\Local\Temp\5df30518bfa758746bf41232f04fa27b6c7308b4a2b4c6a20470bea18514917c.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:2696
- 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:2216

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
84KB

MD5
865871c585e76d92eb833195390aa21c

SHA1
fe78e5ff2cd0e206a3e6f1069e71b51abf2feed6

SHA256
860ae3bfb29cfc09ede1959a50e2878f9c194842fb9ae1f00084a97ceb591ee2

SHA512
bfa081aa51486d4de8d5409a0e33d29419099620092e2af1be71c7d235586c4908af0fb091a8eb76f34cde7069ed6e42e0fbf8675317e8aba094cb8f8ff4b85b

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
4433b2c25e91adfdff97637faacec404

SHA1
99fe2ce0c5c3f2ef17c0813001fbc42d8e312077

SHA256
3bd57b8442142656da666e10d3aa066a814a65f550af9833b80838c57664ce79

SHA512
73b0bf822c06bdadb3f17ad16f5f72014baf9830b3b2e639b3a79b373c5a0f79a89e2047fea7a23006098aa66b6ee89d9d61eb84d3216e01ad2e6d523c9049f8

Download Submit
memory/2216-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2696-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2696-17-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/2696-18-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/2696-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2696-22-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads