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
1860	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	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 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
File created	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
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.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
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
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\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717130225"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
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 = "1717130225"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1860	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
1860	rundll32.exe
1860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 1860	1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	85
PID 1460 wrote to memory of 1860	1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	85
PID 1460 wrote to memory of 1860	1460	654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe	85

C:\Users\Admin\AppData\Local\Temp\654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.exe
"C:\Users\Admin\AppData\Local\Temp\654e905745a48a3b797e31ccfb4ad6fd5b2988529e03f9813a8d0698b419244a.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:1460
- 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:1860

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
80KB

MD5
b792ded7a9e92e75449f66752fa0efc1

SHA1
95d2c05196685547fb27babec5ac28561aa759c2

SHA256
a2c2dda64f82ae5e770bc5a3acffc388fa5230636e4688bc64ad516984c6aa06

SHA512
84a89e92b73364369e8b1f851785739e67d029d0a4d81b1dc1ec975eeac80bf7fb4f3177314d58ddf44b0ea7d785b44b371c09e478ead999df01223f41b82b3e

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

Filesize
80KB

MD5
54c28e34c5b8561cade47ced6800e15c

SHA1
31a8bc405cf22e07b1f0d28fb79f2ae9912acae6

SHA256
f03e5eb5c79578570211cf7119ed1307880d5d965d7b9437cfcc9e52cc56e640

SHA512
b1a4464b1d7630bdb7da93a91bb81991ca46aeea78a95bee6ead294347962a84902e0e2ccff461a463a4a3fc51804f5413a7648e92c2ab45c989328ee1fca708

Download Submit
memory/1460-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1460-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads