b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553

General

Target

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
Size

276KB
MD5

42ec7c24584729d3f6c977456a05d8f0
SHA1

4898b07fff5acf4855dcb00e3335cc6e20b67a49
SHA256

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553
SHA512

4d703f1fea0954767fab3f6896b40baa3c02554058a159bb262a27ecf484059713595468b54f14c18521a60a2600eb3de72154c41a15314012ad914216d750a4
SSDEEP

6144:y5wavQHcZQ2hqU+6ONGn0BbjvwC1SL3HAijW46BC:y5wavmcZQ2hqU+VNGn0RjvwC1SxjW46B

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:

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exepauizi.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"	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	pauizi.exe

Executes dropped EXE 1 IoCs

Processes:

pauizi.exe

pid process

2036 pauizi.exe

pid	process
2036	pauizi.exe

Loads dropped DLL 2 IoCs

Processes:

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe

pid	process
1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

pauizi.exeb63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /k"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /e"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /s"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /g"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /c"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /n"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /q"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /u"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /v"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /b"	pauizi.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /x"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /t"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /l"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /p"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /o"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /m"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /i"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /f"	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /z"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /w"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /h"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /r"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /f"	pauizi.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /a"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /j"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /d"	pauizi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pauizi = "C:\\Users\\Admin\\pauizi.exe /y"	pauizi.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:

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exepauizi.exe

pid	process
1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe
2036	pauizi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exepauizi.exe

pid process

1908 b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
2036 pauizi.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe

description	pid	process	target process
PID 1908 wrote to memory of 2036	1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe	pauizi.exe
PID 1908 wrote to memory of 2036	1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe	pauizi.exe
PID 1908 wrote to memory of 2036	1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe	pauizi.exe
PID 1908 wrote to memory of 2036	1908	b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe	pauizi.exe

C:\Users\Admin\AppData\Local\Temp\b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.exe
"C:\Users\Admin\AppData\Local\Temp\b63f81fb0b48d79ef494615e688a75a395b50b1013487a669c1e296724f20553.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:1908

C:\Users\Admin\pauizi.exe
"C:\Users\Admin\pauizi.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:2036

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

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Downloads

C:\Users\Admin\pauizi.exe
Filesize
276KB

MD5
65e57b5f82e3b17e7d52f7dece8f66fb

SHA1
df6d7a14d139e0019ef1dbd0b2d9beefbc0053db

SHA256
fc173e6e5fd8074add7c7b6b38789effe8f69b0291d7b5afcf76c04ca01f23a7

SHA512
e9c1866cb99702acbe73aeb9ea5a8d4830a0f604f579350b9862e5ba6975ab39ce43a0222d8b573db0e4adf9f4beba6cd4815ffa27940401d82c67629738bee5

Download Submit
C:\Users\Admin\pauizi.exe
Filesize
276KB

MD5
65e57b5f82e3b17e7d52f7dece8f66fb

SHA1
df6d7a14d139e0019ef1dbd0b2d9beefbc0053db

SHA256
fc173e6e5fd8074add7c7b6b38789effe8f69b0291d7b5afcf76c04ca01f23a7

SHA512
e9c1866cb99702acbe73aeb9ea5a8d4830a0f604f579350b9862e5ba6975ab39ce43a0222d8b573db0e4adf9f4beba6cd4815ffa27940401d82c67629738bee5

Download Submit
\Users\Admin\pauizi.exe
Filesize
276KB

MD5
65e57b5f82e3b17e7d52f7dece8f66fb

SHA1
df6d7a14d139e0019ef1dbd0b2d9beefbc0053db

SHA256
fc173e6e5fd8074add7c7b6b38789effe8f69b0291d7b5afcf76c04ca01f23a7

SHA512
e9c1866cb99702acbe73aeb9ea5a8d4830a0f604f579350b9862e5ba6975ab39ce43a0222d8b573db0e4adf9f4beba6cd4815ffa27940401d82c67629738bee5

Download Submit
\Users\Admin\pauizi.exe
Filesize
276KB

MD5
65e57b5f82e3b17e7d52f7dece8f66fb

SHA1
df6d7a14d139e0019ef1dbd0b2d9beefbc0053db

SHA256
fc173e6e5fd8074add7c7b6b38789effe8f69b0291d7b5afcf76c04ca01f23a7

SHA512
e9c1866cb99702acbe73aeb9ea5a8d4830a0f604f579350b9862e5ba6975ab39ce43a0222d8b573db0e4adf9f4beba6cd4815ffa27940401d82c67629738bee5

Download Submit
memory/1908-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/2036-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads