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
1056	rundll32.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 opened for modification	C:\Windows\SysWOW64\¢«.exe	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
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

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\exefile\shell\open\command\ = "\"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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	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\txtfile\shell\open\command\ = "notepad¢¬ %1"	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1696836227"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1696836227"	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

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1056	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
1056	rundll32.exe
1056	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1056	1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	86
PID 1808 wrote to memory of 1056	1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	86
PID 1808 wrote to memory of 1056	1808	067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe	86

C:\Users\Admin\AppData\Local\Temp\067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.exe
"C:\Users\Admin\AppData\Local\Temp\067db9509152bfbd99d8e9e834d799bab91ae21526021e71385a6558c8e4e8fe.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:1808
- 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:1056

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
6e8b7b19187cc498edcb4ace1105f64e

SHA1
35e9fddece0a3f8b2f85b60776ec69b7cf1e334c

SHA256
c4dcd4eb14711cbbce288864aedc3250d10e89f653bdb31ea93269e5deaa8eb4

SHA512
7be2355439670495975ded7429d7926c082a302e200f74364935c2f2b08160a8ddc33cdcbea31cc3613fecdfc5db9e3c79f1b3780715f77d2c6cdd494dff6357

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

Filesize
73KB

MD5
9bab353c33b4432f47da18aa0e255246

SHA1
5ea4be32d239c9e146a49d20e33ad9d2e51d4ffd

SHA256
45369ca33e50ec0aee031d989981ec2d03522e5df9da7e0d4b43d617997779aa

SHA512
868a7d583c91f63b20d5d19582caca867a7ed37782543827dcbac21685f5bccac560628d4bd8b54d2c37d63de54de47ccc2778697d12350ada599d3f31a6ad0d

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

Filesize
73KB

MD5
9bab353c33b4432f47da18aa0e255246

SHA1
5ea4be32d239c9e146a49d20e33ad9d2e51d4ffd

SHA256
45369ca33e50ec0aee031d989981ec2d03522e5df9da7e0d4b43d617997779aa

SHA512
868a7d583c91f63b20d5d19582caca867a7ed37782543827dcbac21685f5bccac560628d4bd8b54d2c37d63de54de47ccc2778697d12350ada599d3f31a6ad0d

Download Submit
memory/1056-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1808-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1808-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads