154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96

General

Target

154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Size

76KB
MD5

c1795cae53e450f36ee55ecdffa1a257
SHA1

c16a52b9f10a669cbf9f4c775ffaae9a79344c3c
SHA256

154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96
SHA512

b977c35da709497d5647ccbc06ef6ec7f90644e44bf726f67004cc3c8ec9d9c87a4e0a741de0984aa37fbec46e62b01d2bcfcc8fbe7e366956c6d674a18fe269
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOj3c:GhfxHNIreQm+HiM3c

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2176	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.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	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	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
File created	C:\Windows\SysWOW64\¢«.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
File created	C:\Windows\system\rundll32.exe	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1696972534"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1696972534"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2176	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
2176	rundll32.exe
2176	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28
PID 2380 wrote to memory of 2176	2380	154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe	28

C:\Users\Admin\AppData\Local\Temp\154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.exe
"C:\Users\Admin\AppData\Local\Temp\154585e22d0a2dc9e2f22ce3932688c6a3590aa9ecc28fd678b98ab358853b96.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:2380
- 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:2176

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

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
77KB

MD5
1a5f114e4e815f99f0dd36d0126a37f4

SHA1
1501ef82cb8b861baf0810f8532fb99e4ca1897a

SHA256
97eef1138eb48608c2b2ecb7092425d01606557544227bc9bb4d69904dc82446

SHA512
87a9b0c03690a18ab37dbcdeff64ebbbb3ef7125e4d4d8b211da5573dce3650448689f9c965045bd7442d9e5de0b645cd9a0be9a6f6289c5c4b51056560ed84d

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

Filesize
79KB

MD5
440e12c84c4e4a95f4332524e06ea354

SHA1
4ae8498b6743f3b26c0e6cef46f3b4fd86f7f904

SHA256
24e1c89a08a3b2e6b4eef26affd831d2f232ec011fc72d106e961ffaecb35b3c

SHA512
c44cc2c74c679f9ddee18986deb18e8962e2139ac8a0561c8f3b75c877fcd38d71c576e592bcc0137b76c8641cef14fd3b530c44b09ddfe8d0061d31b4b7a63f

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

Filesize
79KB

MD5
440e12c84c4e4a95f4332524e06ea354

SHA1
4ae8498b6743f3b26c0e6cef46f3b4fd86f7f904

SHA256
24e1c89a08a3b2e6b4eef26affd831d2f232ec011fc72d106e961ffaecb35b3c

SHA512
c44cc2c74c679f9ddee18986deb18e8962e2139ac8a0561c8f3b75c877fcd38d71c576e592bcc0137b76c8641cef14fd3b530c44b09ddfe8d0061d31b4b7a63f

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
440e12c84c4e4a95f4332524e06ea354

SHA1
4ae8498b6743f3b26c0e6cef46f3b4fd86f7f904

SHA256
24e1c89a08a3b2e6b4eef26affd831d2f232ec011fc72d106e961ffaecb35b3c

SHA512
c44cc2c74c679f9ddee18986deb18e8962e2139ac8a0561c8f3b75c877fcd38d71c576e592bcc0137b76c8641cef14fd3b530c44b09ddfe8d0061d31b4b7a63f

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
440e12c84c4e4a95f4332524e06ea354

SHA1
4ae8498b6743f3b26c0e6cef46f3b4fd86f7f904

SHA256
24e1c89a08a3b2e6b4eef26affd831d2f232ec011fc72d106e961ffaecb35b3c

SHA512
c44cc2c74c679f9ddee18986deb18e8962e2139ac8a0561c8f3b75c877fcd38d71c576e592bcc0137b76c8641cef14fd3b530c44b09ddfe8d0061d31b4b7a63f

Download Submit
memory/2176-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2380-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2380-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2380-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2380-20-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads