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
1172	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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 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
File opened for modification	C:\Windows\SysWOW64\¢«.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\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716868546"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716868546"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
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\txtfile\shell\open\command\ = "notepad¢¬ %1"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\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\MSipv	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1172	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
1172	rundll32.exe
1172	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28
PID 1948 wrote to memory of 1172	1948	e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe	28

C:\Users\Admin\AppData\Local\Temp\e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.exe
"C:\Users\Admin\AppData\Local\Temp\e76fc06fc2f8e1c6feb20c335186c6b4b7654a4fefc2478e4dc0546c3fb4cc5a.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:1948
- 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:1172

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
a02aa005a411d7fe342dd1630d7ed4f2

SHA1
06d925a82daaae65ae0f49bb1fda648e3a85d702

SHA256
6f88383f817dedc9106ea1b12f887462fc69f123c546c050742ddea03deffdee

SHA512
1841ac932382cc2853c142515ebaf83e718197c1e2a2b878bc09f8d873f51d91307767582dfc37b706fbed792bbe945be0e41c930449a00b88354c8051c102a0

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
b22aea9ede39249dfb8d4ce4370f0fbb

SHA1
7abdcea4385ef2d6d6e57ddff46b3473e4ee726b

SHA256
9417eec9625f121bd0fc153ea97ecb9827bb0eeedafc1b34b938fe0ebb0e095e

SHA512
773ed5309b7c50467791ccc1ba390197325ba9922b9273a1587d990c88ec2d77fa690dc782a13a53d5813c4c6be3eabc81ee0c5b5d4773ec35511aba5713240e

Download Submit
memory/1172-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1948-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1948-18-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/1948-17-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/1948-22-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1948-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads