654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a

General

Target

654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Size

77KB
MD5

65b5c90bda5728c91cb427bff02b5a27
SHA1

f6e1cc9814a6df84cc1870e8b661ec3f4abe4484
SHA256

654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a
SHA512

12b839f8f5672e5602af317b029d1a9d4289af698d2f357f0cebb3b412206198cf9eeaa4fec2a59f0f9249a5b4be776d379befe92b639974393e5ec9c0a92196
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOyP2B:GhfxHNIreQm+HixP2B

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.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	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.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 created	C:\Windows\SysWOW64\notepad¢¬.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
File created	C:\Windows\SysWOW64\¢«.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
File created	C:\Windows\system\rundll32.exe	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717130221"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717130221"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
2548	rundll32.exe
2548	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28
PID 1860 wrote to memory of 2548	1860	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	28

C:\Users\Admin\AppData\Local\Temp\654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
"C:\Users\Admin\AppData\Local\Temp\654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.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:1860
- 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:2548

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
75KB

MD5
d1363978bf216165c293365dcd656dc2

SHA1
259883947380fc7235fbda06fb08455b97cbb2a5

SHA256
f474fdfd181e9aed1f765dabdb20e680aaf5395b3c35dcbde16945683b0b63d7

SHA512
7b397202c4566bf0b0486e5c219ceb0208983d28f58fd1a763993ae6425b4a8c83c2b682e49f3ca670957589eeddb8927cf674d3acf27f9884d8063a091c2cd8

Download Submit
\Windows\system\rundll32.exe

Filesize
81KB

MD5
9d617daf9a1016e98be0b591cef49162

SHA1
bf5163796934212a73fb15544f2f6637393385e2

SHA256
eaf80e0058068ca1c6c15c2dc302e450961cb4621be5d974132ceef076491e3f

SHA512
2a1b702eff0bd1c7e84cfb5555d78e28b7329027116383502e8bc783b41af1588ee9ab0e4d92aa4e6f82082749575261d3d780a4f0b49435c5b2f16954b7c25f

Download Submit
memory/1860-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1860-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1860-16-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1860-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1860-22-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2548-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads