067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe

General

Target

067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Size

83KB
MD5

88665a6b6d117a5ee2e97435e04b8bec
SHA1

ffd59d3d05dd5fc53ee16fb2539449976057d435
SHA256

067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe
SHA512

4dd7b1c2bdc1ff7f62e391666ba2cd912aa32860c5de7f87d95a97081a509e8d7eaca39050c745f8347de5151836093efe0f2f24c406a10ea63fcb14c92e1e70
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOc/:RshfSWHHNvoLqNwDDGw02eQmh0HjWOm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1300	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.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	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.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	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
File created	C:\Windows\system\rundll32.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.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\txtfile\shell\open\command	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1696836224"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1696836224"	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\exefile\shell\open\command	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1300	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1300	rundll32.exe
1300	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28
PID 2484 wrote to memory of 1300	2484	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	28

C:\Users\Admin\AppData\Local\Temp\067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
"C:\Users\Admin\AppData\Local\Temp\067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.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:2484
- 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:1300

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
81KB

MD5
b0c2805ad470535efb14b7fb01358724

SHA1
d4f442ef1edd2f01bbe71d38f86bfc5bf1901ed1

SHA256
bb719a4fafd11c2a15efe95052f95c455fd451e5db9e48aad3ace34f2e525c35

SHA512
50dd469eabbc90ead00add2f548f0a02ce783b8d1d5c1a46e263a94976fd94395d433e4debb2e3a74ebaced1a5019c0ec522bfa277d7c8ddca6ed351230bbb45

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

Filesize
79KB

MD5
b3ee1bd337d67bd25360a8fe9dc5a9d4

SHA1
eeda86294f328e45581dd2d5da61528af9607893

SHA256
477543ffb97054674500524e72a5a97d0eaa390cca7e1fb2ffe350388c0fcfd6

SHA512
44c2dcfda799ef249a55b9e16da1e3db3f11a95c996494565c7d7a71cdb6e728b8e47e372f6c787680f79ed169bc913920aebf5cc17a6d6bb45a3f3446fcdeee

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

Filesize
79KB

MD5
b3ee1bd337d67bd25360a8fe9dc5a9d4

SHA1
eeda86294f328e45581dd2d5da61528af9607893

SHA256
477543ffb97054674500524e72a5a97d0eaa390cca7e1fb2ffe350388c0fcfd6

SHA512
44c2dcfda799ef249a55b9e16da1e3db3f11a95c996494565c7d7a71cdb6e728b8e47e372f6c787680f79ed169bc913920aebf5cc17a6d6bb45a3f3446fcdeee

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
b3ee1bd337d67bd25360a8fe9dc5a9d4

SHA1
eeda86294f328e45581dd2d5da61528af9607893

SHA256
477543ffb97054674500524e72a5a97d0eaa390cca7e1fb2ffe350388c0fcfd6

SHA512
44c2dcfda799ef249a55b9e16da1e3db3f11a95c996494565c7d7a71cdb6e728b8e47e372f6c787680f79ed169bc913920aebf5cc17a6d6bb45a3f3446fcdeee

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
b3ee1bd337d67bd25360a8fe9dc5a9d4

SHA1
eeda86294f328e45581dd2d5da61528af9607893

SHA256
477543ffb97054674500524e72a5a97d0eaa390cca7e1fb2ffe350388c0fcfd6

SHA512
44c2dcfda799ef249a55b9e16da1e3db3f11a95c996494565c7d7a71cdb6e728b8e47e372f6c787680f79ed169bc913920aebf5cc17a6d6bb45a3f3446fcdeee

Download Submit
memory/1300-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2484-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2484-12-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/2484-20-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2484-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads