31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313

General

Target

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
Size

132KB
MD5

35634fa1e42090b1a70fca30978bf170
SHA1

342a6840b5a598547001441d1d47700b30df1306
SHA256

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313
SHA512

a48bcfba32d705f63cfc772fa152692d69a5c3269aeda0c3b7f275cdff246f107dfc67987a173424e97f8fed0e3e33e60a6f374ee593b57593df0e91310e421d
SSDEEP

1536:44rhGHRX+spSx6jPdVIslKddW9qypu2ddxjpYwiAq4JqASswN6dWBsg/5vpi7Bg4:4oIus4x6rd6YIeJjqP4yswNiqni7a2N

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exenaoop.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	naoop.exe

Executes dropped EXE 1 IoCs

Processes:

naoop.exe

pid process

1724 naoop.exe

pid	process
1724	naoop.exe

Loads dropped DLL 2 IoCs

Processes:

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe

pid	process
1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe

Adds Run key to start application 2 TTPs 52 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

naoop.exe31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /f"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /A"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /P"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /F"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /U"	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /v"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /z"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /i"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /p"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /K"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /C"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /H"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /r"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /d"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /b"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /h"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /q"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /e"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /M"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /J"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /y"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /E"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /j"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /m"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /w"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /S"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /I"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /s"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /x"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /a"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /c"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /T"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /Y"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /L"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /X"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /G"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /Z"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /k"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /t"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /o"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /W"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /U"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /O"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /D"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /B"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /u"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /Q"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /n"	naoop.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /l"	naoop.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoop = "C:\\Users\\Admin\\naoop.exe /R"	naoop.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exenaoop.exe

pid	process
1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe
1724	naoop.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exenaoop.exe

pid process

1964 31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
1724 naoop.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe

description	pid	process	target process
PID 1964 wrote to memory of 1724	1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe	naoop.exe
PID 1964 wrote to memory of 1724	1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe	naoop.exe
PID 1964 wrote to memory of 1724	1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe	naoop.exe
PID 1964 wrote to memory of 1724	1964	31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe	naoop.exe

C:\Users\Admin\AppData\Local\Temp\31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe
"C:\Users\Admin\AppData\Local\Temp\31a63041e34dad51af264b03b29c95e38b0a5d3401e4a824a96ddc60e9525313.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\naoop.exe
"C:\Users\Admin\naoop.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\naoop.exe
Filesize
132KB

MD5
8e98dfe8bf368b07ad7303994a08ec2c

SHA1
abcad43bc7c78023a42bc2d3ba10bbe0c472a777

SHA256
dbc017619e5553213ec3fddb9b7baf502133ac4df25ee6a46bcbad64c71a6ac8

SHA512
42ba6d71c76f5e29c1d3d5391b878ce40d2bd54365efc7230dfb992c0b0c5b580c09d72cef7422e09315341b3dee6d9094eb4c701cd987f122e4d373ad76db6e

Download Submit
C:\Users\Admin\naoop.exe
Filesize
132KB

MD5
8e98dfe8bf368b07ad7303994a08ec2c

SHA1
abcad43bc7c78023a42bc2d3ba10bbe0c472a777

SHA256
dbc017619e5553213ec3fddb9b7baf502133ac4df25ee6a46bcbad64c71a6ac8

SHA512
42ba6d71c76f5e29c1d3d5391b878ce40d2bd54365efc7230dfb992c0b0c5b580c09d72cef7422e09315341b3dee6d9094eb4c701cd987f122e4d373ad76db6e

Download Submit
\Users\Admin\naoop.exe
Filesize
132KB

MD5
8e98dfe8bf368b07ad7303994a08ec2c

SHA1
abcad43bc7c78023a42bc2d3ba10bbe0c472a777

SHA256
dbc017619e5553213ec3fddb9b7baf502133ac4df25ee6a46bcbad64c71a6ac8

SHA512
42ba6d71c76f5e29c1d3d5391b878ce40d2bd54365efc7230dfb992c0b0c5b580c09d72cef7422e09315341b3dee6d9094eb4c701cd987f122e4d373ad76db6e

Download Submit
\Users\Admin\naoop.exe
Filesize
132KB

MD5
8e98dfe8bf368b07ad7303994a08ec2c

SHA1
abcad43bc7c78023a42bc2d3ba10bbe0c472a777

SHA256
dbc017619e5553213ec3fddb9b7baf502133ac4df25ee6a46bcbad64c71a6ac8

SHA512
42ba6d71c76f5e29c1d3d5391b878ce40d2bd54365efc7230dfb992c0b0c5b580c09d72cef7422e09315341b3dee6d9094eb4c701cd987f122e4d373ad76db6e

Download Submit
memory/1724-59-0x0000000000000000-mapping.dmp

Download
memory/1964-56-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads