d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da

General

Target

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Size

76KB
MD5

6d2a38f47d2efe8b4e4383ff2c36ee74
SHA1

356b5a63943cb9a26136fa5b8994007331366541
SHA256

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da
SHA512

b10e2df596ac405a5d3a3c07534f63c31fb9debbdf75c7533b9ea1fce47089c861faad535ea9fa6654b3245391c8341835e28306acee290ce0416619af6f71aa
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOqDr:GhfxHNIreQm+HiZDr

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

2352 rundll32.exe

pid	process
2352	rundll32.exe

Loads dropped DLL 2 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

pid	process
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.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

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
File created	C:\Windows\SysWOW64\¢«.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

Drops file in Windows directory 2 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
File created	C:\Windows\system\rundll32.exe	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

Modifies registry class 15 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1714256254"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1714256254"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

pid	process
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2352 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exerundll32.exe

pid process

2932 d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
2352 rundll32.exe
2352 rundll32.exe

pid	process
2352	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe

description	pid	process	target process
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe
PID 2932 wrote to memory of 2352	2932	d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.exe
"C:\Users\Admin\AppData\Local\Temp\d28619a6e55e38280dbf4d63a1e869439cef6d2992f490b61d34c4bdbb66f4da.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:2932

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:2352

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
77KB

MD5
a8e8ef162f755230203863e42826313c

SHA1
0321a20771cae640d70ae020a5131fcea90c92c2

SHA256
df24886275ad573102a124796ea3f5702b6f4cc69b9c1ce77443d772aa40a455

SHA512
f9d9cb54aac78be8c37c915bee1713685a031d8d1f53cc342c028003d272d568541213f187f997234fdacb8bb36b2614de58628c87929858f2ae2307a85cddfa

Download Submit
\Windows\system\rundll32.exe
Filesize
80KB

MD5
5901283511c0a4d9830781ff719af96f

SHA1
1927655ca2add22fe8b80013df5c606c6f7e81fd

SHA256
7fc2e8381f572907b5b04da779f8a1744ae4f0ec24a8f276cb2659a81ad89fac

SHA512
1f2050c2f4cbc9339c14f5ef0221b9141ddca048474ba2ce651ff5f57aebd2812a92b49dc18a2141a335fe2d97bdbe57b0c5f28ba0dd6535a4c7e19e897f17c4

Download Submit
memory/2352-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2932-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2932-12-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2932-19-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2932-22-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2932-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads