f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250

General

Target

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Size

144KB
MD5

14edccfa616414fb38548dd31c7d9f40
SHA1

31285837de8f3f7a0115c5c5127e4bf4506786ca
SHA256

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250
SHA512

156ce27b64a0e71197ead8735ae24f5c19ad845be231a28f084fca0ae53f3220b29e34449d8d48291d18ff3a7c942a3510a1e8470c0ba1560fb4e394ef3ade4b
SSDEEP

3072:QHKF/fvhINgVs+Y9YXeKjxF1yO13TWDnt+:QqFvq2gYuKjxF15s

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:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exefoaowon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	foaowon.exe

Executes dropped EXE 1 IoCs

Processes:

foaowon.exe

pid process

5004 foaowon.exe

pid	process
5004	foaowon.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:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

Adds Run key to start application 2 TTPs 54 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

foaowon.exef66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /M"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /g"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /k"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /T"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /i"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /o"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /y"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /x"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /n"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /H"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /J"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /d"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /U"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /j"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /m"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /C"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /l"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /K"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /z"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /q"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /E"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /Q"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /h"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /Y"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /G"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /c"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /S"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /f"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /F"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /V"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /P"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /I"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /u"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /W"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /D"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /s"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /L"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /r"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /X"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /B"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /R"	foaowon.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /g"	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /w"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /Z"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /a"	foaowon.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /A"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /e"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /b"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /O"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /N"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /p"	foaowon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foaowon = "C:\\Users\\Admin\\foaowon.exe /t"	foaowon.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:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exefoaowon.exe

pid	process
5016	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
5016	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe
5004	foaowon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exefoaowon.exe

pid process

5016 f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
5004 foaowon.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

description	pid	process	target process
PID 5016 wrote to memory of 5004	5016	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	foaowon.exe
PID 5016 wrote to memory of 5004	5016	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	foaowon.exe
PID 5016 wrote to memory of 5004	5016	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	foaowon.exe

C:\Users\Admin\AppData\Local\Temp\f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
"C:\Users\Admin\AppData\Local\Temp\f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.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:5016

C:\Users\Admin\foaowon.exe
"C:\Users\Admin\foaowon.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:5004

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\foaowon.exe

Filesize
144KB

MD5
aa0d9bcc44e519703e9e80aa0a66a0fd

SHA1
95bd4ed63f320fc40eab46c83ef182cf43ccd918

SHA256
2d28ad26787d93f0443a2a219328bfac79162f8f751d9014248e049ab3784c22

SHA512
7bacb49870edd4ed003e531c4f7538d43246ea72e44ece0e509e32aefccf6b669fc66d4526b6648aa47f4164736ab9b3c3ae6559dbba42d2ca7e3926427dfcb8

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

Filesize
144KB

MD5
aa0d9bcc44e519703e9e80aa0a66a0fd

SHA1
95bd4ed63f320fc40eab46c83ef182cf43ccd918

SHA256
2d28ad26787d93f0443a2a219328bfac79162f8f751d9014248e049ab3784c22

SHA512
7bacb49870edd4ed003e531c4f7538d43246ea72e44ece0e509e32aefccf6b669fc66d4526b6648aa47f4164736ab9b3c3ae6559dbba42d2ca7e3926427dfcb8

Download Submit
memory/5004-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads