09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386

General

Target

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Size

83KB
MD5

9632e7941853f0533aa1de7522fbc5f7
SHA1

6ce7284b526b08c7b5f196bb0c5a4ec7530a20d9
SHA256

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386
SHA512

e4f11963c2bb4175c99fc352edeadea1ff23c0eca4588bd236ff6fd2d244bda3ede66af92eacfb1d364925134ca4fb6d305fcc259095068f3aef2e96982f3cab
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOoMl:GhfxHNIreQm+HiTMl

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

380 rundll32.exe

pid	process
380	rundll32.exe

Loads dropped DLL 2 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

pid	process
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exerundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.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	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

Drops file in System32 directory 4 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
File created	C:\Windows\SysWOW64\¢«.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

Drops file in Windows directory 2 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
File created	C:\Windows\system\rundll32.exe	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

Modifies registry class 15 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718130648"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718130648"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

pid	process
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

380 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exerundll32.exe

pid process

2488 09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
380 rundll32.exe
380 rundll32.exe

pid	process
380	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe

description	pid	process	target process
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe
PID 2488 wrote to memory of 380	2488	09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.exe
"C:\Users\Admin\AppData\Local\Temp\09f439a6bb38ffe09c2428df06fbf0a4ca2aa138e922653ccbed8ccbd1512386.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:2488

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:380

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe
Filesize
75KB

MD5
ece57323f96cd3e812d60d8ad75e05d7

SHA1
531d583c8037ff0911db2af78459897c868de92b

SHA256
c4ebbfb79ef70b9f9cb69551a909dbd9d62b587f7072e64a8061d6aac550c9ae

SHA512
c0ae9d0ab20db37191133769d05560b82be5f12a36d5cc4730c0478efd5fbee019a9370a06e42d0a8290684e76a26f8de6aeaf9af175768c758dbfa3c91d4598

Download Submit
\Windows\system\rundll32.exe
Filesize
76KB

MD5
05bb87807d0889fda9810572796491e5

SHA1
dac7d608be9379f7089d506a3b0670c836d2ab92

SHA256
03977952febfbab9e832512b34b7b6eeffe72c4a49300bc03805e4d5a4217e00

SHA512
5176c9d982cc0a298a7f97982ee0e31e50a9da588168989fd28050c1b80744a09668536185680633b7296b1202a8841cd4fdd068e1069098f4bbf8396d751a47

Download Submit
memory/380-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2488-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2488-18-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2488-17-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2488-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2488-22-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads