17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020

General

Target

17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Size

75KB
MD5

96c1938d528352b177e4dbcb5f8928bc
SHA1

d464ebaaf2d099e487a58bb581f6a162ffc91ade
SHA256

17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020
SHA512

f774d457223fcdbb6881f9eebb07112731769dee7b38b370ffec384eba227fd1669244a86e99488ae62aeb4ab00386b6fd4c15fdba02bcdc64497fda3051d648
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOpWo:GhfxHNIreQm+HieWo

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2904	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	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.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	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
File created	C:\Windows\SysWOW64\¢«.exe	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
File created	C:\Windows\system\rundll32.exe	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1696026618"	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.exe %1"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.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	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1696026618"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2904	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
2904	rundll32.exe
2904	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 2904	3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe	86
PID 3660 wrote to memory of 2904	3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe	86
PID 3660 wrote to memory of 2904	3660	17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe	86

C:\Users\Admin\AppData\Local\Temp\17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.exe
"C:\Users\Admin\AppData\Local\Temp\17ce2875407346254066382b74b1e2e531f9176e62d351d8b53d4a164d17d020.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:3660
- 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:2904

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
75KB

MD5
74798b8aaa925edf3240065eccea5b0c

SHA1
d3608d9502038c64b208f4d7e0222d2a6879a71e

SHA256
864fc36fcea0be3c13d41b8880975c4998610e59e906dbbb6e9cca155a864c6d

SHA512
b59e167bd373d90d1e3ea68d4873661e5b96be21ec22a79070a68d4f9af77447476ac6072404640f4108c1998e440f3a99c97573874bce97b09f9a52b422032c

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

Filesize
78KB

MD5
2db4a4d00cf89faf6abe78185403ea37

SHA1
cda986b95045c4976d0f9f071124d32e0247c75e

SHA256
4c6589d8af714430553ee25fa3715cf781cd50e562bc3587d04afcc9e77753e8

SHA512
3fcbc83c2072eed8f6da1f0892b4b085a5af60e87722d0929257999f487b2a880f4448a13c73d820308efc94d24bacffad4ea5dd4710ac115fa51e67dde2d2d4

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

Filesize
78KB

MD5
2db4a4d00cf89faf6abe78185403ea37

SHA1
cda986b95045c4976d0f9f071124d32e0247c75e

SHA256
4c6589d8af714430553ee25fa3715cf781cd50e562bc3587d04afcc9e77753e8

SHA512
3fcbc83c2072eed8f6da1f0892b4b085a5af60e87722d0929257999f487b2a880f4448a13c73d820308efc94d24bacffad4ea5dd4710ac115fa51e67dde2d2d4

Download Submit
memory/2904-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3660-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3660-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads