e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84

General

Target

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
Size

292KB
MD5

25b044f74ad792c832040c6abf559751
SHA1

16399ab3c12aebc66555b4fc94d53bd326537e74
SHA256

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84
SHA512

42f348d9cf4c0ea713c0a19984e16a8f76c455bfbe02f734b3200106128d5d7ae8074ffd04d9bb77f68053564822f23b3b293a42c4c1e46a4edb9483cd3bcb5a
SSDEEP

6144:Ynn5VHiComrw0XFnXXQYmRZEcp3ROI4lStQaiSaWUtEU:85oPmrn1nXXQYuZEcp3ROI4lStQaiSaF

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:

houlaic.exee5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	houlaic.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

Executes dropped EXE 1 IoCs

Processes:

houlaic.exe

pid process

3520 houlaic.exe

pid	process
3520	houlaic.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

Adds Run key to start application 2 TTPs 50 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

houlaic.exee5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /v"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /P"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /R"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /i"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /k"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /o"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /T"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /Y"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /F"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /d"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /I"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /G"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /W"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /V"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /A"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /O"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /C"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /h"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /H"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /u"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /s"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /x"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /Z"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /p"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /l"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /n"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /f"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /L"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /b"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /w"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /y"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /j"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /M"	houlaic.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /e"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /g"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /B"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /X"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /Q"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /a"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /C"	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /z"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /S"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /m"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /c"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /r"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /U"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /K"	houlaic.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\houlaic = "C:\\Users\\Admin\\houlaic.exe /D"	houlaic.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.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:

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exehoulaic.exe

pid	process
4800	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
4800	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe
3520	houlaic.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exehoulaic.exe

pid process

4800 e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
3520 houlaic.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe

description	pid	process	target process
PID 4800 wrote to memory of 3520	4800	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe	houlaic.exe
PID 4800 wrote to memory of 3520	4800	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe	houlaic.exe
PID 4800 wrote to memory of 3520	4800	e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe	houlaic.exe

C:\Users\Admin\AppData\Local\Temp\e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe
"C:\Users\Admin\AppData\Local\Temp\e5a96ddb3fcd847d05e3379a79a99f962e9535381a2b187f0d1b316cc9cb2e84.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

C:\Users\Admin\houlaic.exe
"C:\Users\Admin\houlaic.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:3520

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\houlaic.exe

Filesize
292KB

MD5
5d70314dc7695957dc4088d408e145c3

SHA1
f2f29f9f1732d6043da4904903b1936bbb2f46c0

SHA256
6375dbd326d0bb06a338ebc1e6921d65852b923f1009603dff9235dc01e5b9d3

SHA512
e9d502297500d0d70ae1fab0a8cbb77f5a94a54e95554cd29fd1c7183ff5db4b4885723a662a5031a16fae6c6a378154d1ef99dd435ab5a235c7835973bd3843

Download Submit
C:\Users\Admin\houlaic.exe

Filesize
292KB

MD5
5d70314dc7695957dc4088d408e145c3

SHA1
f2f29f9f1732d6043da4904903b1936bbb2f46c0

SHA256
6375dbd326d0bb06a338ebc1e6921d65852b923f1009603dff9235dc01e5b9d3

SHA512
e9d502297500d0d70ae1fab0a8cbb77f5a94a54e95554cd29fd1c7183ff5db4b4885723a662a5031a16fae6c6a378154d1ef99dd435ab5a235c7835973bd3843

Download Submit
memory/3520-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads