e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a

General

Target

e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Size

76KB
MD5

0de4e2ae3207ce9c25028a19fd8de8b2
SHA1

b6eef348ff38f63bdd67d497c56baa401b09149f
SHA256

e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a
SHA512

c64ac97c00a837f596e79dde2f2a8c81c7ba7032c6de48727a936568c45ab4aa79a124a427a0796e4b9e9591ad2a701f2bb63f78ae54eaea6b7265e903660ed5
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO+pS:GhfxHNIreQm+HihpS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2268	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	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
File created	C:\Windows\SysWOW64\¢«.exe	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
File created	C:\Windows\system\rundll32.exe	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716868549"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716868549"	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\txtfile\shell\open\command\ = "notepad¢¬ %1"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2268	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
2268	rundll32.exe
2268	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 2268	316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	87
PID 316 wrote to memory of 2268	316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	87
PID 316 wrote to memory of 2268	316	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	87

C:\Users\Admin\AppData\Local\Temp\e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
"C:\Users\Admin\AppData\Local\Temp\e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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:316
- 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:2268

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
81KB

MD5
5d9b12f03c8ba01271d918cf2210a8fe

SHA1
3c88d8303a04929352d741d3f6a5575b30bacc63

SHA256
b9c99cb0031824a978ac04466260c97b7d39227663a4216dcba657cb2b8020ee

SHA512
6316f6be009a119671059d770a7f1ad778cc71bebad6f1c514e421e273caf1e0bc0899d20c08e39c14246a639e427200984a9ec0fc4d725e181b92d5217f21b6

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

Filesize
73KB

MD5
94d91f9a03149627ab7d4519f4939bde

SHA1
d34d5b95bf58412ea69a59c21a7217022bb35abf

SHA256
6836112400d63d07b2cd314f1e6bdcb109c1cd646e555858203937724391a37e

SHA512
12376cb6de3f8e8bb6509be4355114c51ad8ced4fb5832bf5722d2fac56773179537d226be61c40ca5f7f23fb21e9a45f5037bdf8a3836fe1bbd1334fd50d1bc

Download Submit
memory/316-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/316-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads