8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c

General

Target

8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Size

83KB
MD5

d3cfcb43c8435705ba4aedc5a390b9bd
SHA1

cb7c12c75fc47cd5acd71a0d5a455d95c8cf33fb
SHA256

8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c
SHA512

ab1faaee599fe51e005c5df2acca0a111cc4d3754c08880a7c07b409fa127a82aac1865fec907a9617c7e5d965e37f8ba44c7a8d5cdb50f57f60977522d4bf0f
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWODK:RshfSWHHNvoLqNwDDGw02eQmh0HjWOG

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.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	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.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\notepad¢¬.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
File created	C:\Windows\SysWOW64\¢«.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
File created	C:\Windows\system\rundll32.exe	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718590487"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.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\" %*"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718590487"	rundll32.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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2008	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
2008	rundll32.exe
2008	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28
PID 1160 wrote to memory of 2008	1160	8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe	28

C:\Users\Admin\AppData\Local\Temp\8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.exe
"C:\Users\Admin\AppData\Local\Temp\8c6334806134d6c961b23b973b665c61568b0cf3c82945050be246c21819a57c.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:1160
- 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:2008

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
74KB

MD5
22615b689cf69bbef0248f4fd1bf3c01

SHA1
323c2e69141fb40aa2f65e9750e856bcb628d87c

SHA256
3ece8a56b7428ec1c3be5693e8177d87fced9bc7244ec61777429a917540eefb

SHA512
d37da9addbb3af924512fc5cc76b379568a0aefa9d8385458de831b4062f205cfda375d6714922b0a34094234c22aa27e7a61d30808258bd77da3ba71c340db2

Download Submit
\Windows\system\rundll32.exe

Filesize
75KB

MD5
c1b5c976b599bb143701deb79aa3a352

SHA1
82ed70ef9582ee315c7eedf5e83eded5be1662f7

SHA256
5b8430f9f5ddb039b58962afe72ac550818c07f48668c81b3857f3d9055cdf8c

SHA512
67a9048d13c2b593cf13fdf041c4f7cf0f8125133331cdd11a272056371a3c51368c9006eb3fc1b6aba224a820478ab86867788c8c74e509e78259e9c8a19a8e

Download Submit
memory/1160-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1160-18-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/1160-19-0x00000000002F0000-0x0000000000306000-memory.dmp

Filesize
88KB

Download
memory/1160-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1160-22-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/2008-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads