543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503

General

Target

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
Size

200KB
MD5

16c5eca660e858a18539058d07b0bb30
SHA1

acf656814b4972995035d97fc3f172f5833969ac
SHA256

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503
SHA512

763367d1b3ff1a2297ab34fe8137df456270fa781a9aaca881382b72a25976401b39d0f9c4a2157401d0fd69a2a7512b1346880c2a630c255a8b84ce6fd1d654
SSDEEP

3072:wRKTo/05Wg0tQ9nLHbB9WBJiBs2HWWEaPGJm9uqc:wRTi4QxL7B9WBJi+yWWEaUNl

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:

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exehhwat.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"	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hhwat.exe

Executes dropped EXE 1 IoCs

Processes:

hhwat.exe

pid process

2748 hhwat.exe

pid	process
2748	hhwat.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:

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hhwat.exe543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /a"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /l"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /r"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /c"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /g"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /f"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /e"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /d"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /u"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /o"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /z"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /q"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /i"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /n"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /m"	hhwat.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /b"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /x"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /j"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /h"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /z"	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /k"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /p"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /v"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /s"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /t"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /y"	hhwat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hhwat = "C:\\Users\\Admin\\hhwat.exe /w"	hhwat.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:

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exehhwat.exe

pid	process
220	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
220	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe
2748	hhwat.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exehhwat.exe

pid process

220 543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
2748 hhwat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe

description	pid	process	target process
PID 220 wrote to memory of 2748	220	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe	hhwat.exe
PID 220 wrote to memory of 2748	220	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe	hhwat.exe
PID 220 wrote to memory of 2748	220	543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe	hhwat.exe

C:\Users\Admin\AppData\Local\Temp\543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.exe
"C:\Users\Admin\AppData\Local\Temp\543ead6adbf9d0867a1905c3746ac316d37682edb9d6c9ae9c5a82cb4d40d503.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:220

C:\Users\Admin\hhwat.exe
"C:\Users\Admin\hhwat.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:2748

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\hhwat.exe

Filesize
200KB

MD5
a6246dca49de8fb95e9258b6b3f8a112

SHA1
d534714c913f03658163320783d4f881d409a8e0

SHA256
c6929f0c5c5e6771871a065862541fe5a83fa7de7ba2c532881c85100c0f2f6b

SHA512
ab0e9ef19bd91f158daa08f006a6d9d3f2964b9bb748b9b11a2d8d396c5f8bf8f29d374a76f7c4ad6b7f643be80ad1b2d0a84914b50bc4a863302e8a16e9b891

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

Filesize
200KB

MD5
a6246dca49de8fb95e9258b6b3f8a112

SHA1
d534714c913f03658163320783d4f881d409a8e0

SHA256
c6929f0c5c5e6771871a065862541fe5a83fa7de7ba2c532881c85100c0f2f6b

SHA512
ab0e9ef19bd91f158daa08f006a6d9d3f2964b9bb748b9b11a2d8d396c5f8bf8f29d374a76f7c4ad6b7f643be80ad1b2d0a84914b50bc4a863302e8a16e9b891

Download Submit
memory/2748-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads