9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677

General

Target

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Size

79KB
MD5

0c1ef2e26a158bc0940392547ed6ce6b
SHA1

198ba0501699d64a941feba85a324d698361447c
SHA256

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677
SHA512

0c7386e6818a07cffff270725232e8a22da4833ced4af0b16cf0d2c559a39a66373e24158ba1512d0d6824705b869db26813de283edef6ad94af5b1d17d54eb4
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOB8:RshfSWHHNvoLqNwDDGw02eQmh0HjWOXu

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

792 rundll32.exe

pid	process
792	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exerundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Drops file in System32 directory 4 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File created	C:\Windows\SysWOW64\¢«.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Drops file in Windows directory 2 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File created	C:\Windows\system\rundll32.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Modifies registry class 15 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716412945"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716412945"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

pid	process
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

792 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exerundll32.exe

pid process

1524 9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
792 rundll32.exe
792 rundll32.exe

pid	process
792	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	pid	process	target process
PID 1524 wrote to memory of 792	1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 1524 wrote to memory of 792	1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 1524 wrote to memory of 792	1524	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
"C:\Users\Admin\AppData\Local\Temp\9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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:1524
- 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:792

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
79KB

MD5
b325ad331c37f1255d1a129ec0c99e35

SHA1
0cb1be4742758ebabd18da3c887a601c494849fb

SHA256
f785cc5cda1ab33a5807d36c026af7c9fcd78eeea57d148412942927f12f9e40

SHA512
40af6499d043a6125b25a61fd9b6f0e739fa1cc3289d19c1cabd59099bb83680d6cb53364533b09845843dcf8e6ef474a842ece96d943fdc7a6d573cb1082a2c

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

Filesize
75KB

MD5
314a7676ec8056c5a242470a0a152da6

SHA1
7d6d48e23e3062488a62f6f4b08e8d54adbdde99

SHA256
d3cf60e8c2c98298eaf2a0ead2b768fae4caba312ba63f3ad0dafed011cbc0ed

SHA512
860b63943b8fcd3e32f66d9cd64237f944bf8fe6a366fa4e30a6d12938be0b69a0af712f858e9955b48aaf52e2e3fe1931ddaa846dfe47523981810c8717de95

Download Submit
memory/1524-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1524-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads