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.exefaueko.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	faueko.exe

Executes dropped EXE 1 IoCs

Processes:

faueko.exe

pid process

564 faueko.exe

pid	process
564	faueko.exe

Loads dropped DLL 2 IoCs

Processes:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

pid	process
1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

Adds Run key to start application 2 TTPs 49 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

faueko.exef66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /x"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /Y"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /f"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /q"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /j"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /V"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /a"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /C"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /E"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /B"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /G"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /U"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /K"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /d"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /y"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /Z"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /F"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /z"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /L"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /V"	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /e"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /k"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /X"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /v"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /m"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /W"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /p"	faueko.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /w"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /J"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /O"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /Q"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /P"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /c"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /b"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /R"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /s"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /g"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /A"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /H"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /i"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /M"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /t"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /l"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /o"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /N"	faueko.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /r"	faueko.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run\faueko = "C:\\Users\\Admin\\faueko.exe /S"	faueko.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.exefaueko.exe

pid	process
1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe
564	faueko.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exefaueko.exe

pid process

1788 f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe
564 faueko.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe

description	pid	process	target process
PID 1788 wrote to memory of 564	1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	faueko.exe
PID 1788 wrote to memory of 564	1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	faueko.exe
PID 1788 wrote to memory of 564	1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	faueko.exe
PID 1788 wrote to memory of 564	1788	f66d77383d9033aec9dec7ca2e59c437449ab0ea497b3ffd784c81883fa72250.exe	faueko.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
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Admin\faueko.exe
"C:\Users\Admin\faueko.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:564

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\faueko.exe

Filesize
144KB

MD5
35cea6b279271c02e3e4736f80921d09

SHA1
9f6f89cbd3e9fdbb8834662a06a01bb62a93cc18

SHA256
6f0b497435a0d502ca40b404978b4756bc2a34fde0da8c99e8df57bbe5e75613

SHA512
cb27b7e913ffd07f887889f63c2e8e059897c060f87f7162adcdbe11b75b81254337016d39405b12968357388048292a242fb87284b22aa772f5470c92542911

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

Filesize
144KB

MD5
35cea6b279271c02e3e4736f80921d09

SHA1
9f6f89cbd3e9fdbb8834662a06a01bb62a93cc18

SHA256
6f0b497435a0d502ca40b404978b4756bc2a34fde0da8c99e8df57bbe5e75613

SHA512
cb27b7e913ffd07f887889f63c2e8e059897c060f87f7162adcdbe11b75b81254337016d39405b12968357388048292a242fb87284b22aa772f5470c92542911

Download Submit
\Users\Admin\faueko.exe

Filesize
144KB

MD5
35cea6b279271c02e3e4736f80921d09

SHA1
9f6f89cbd3e9fdbb8834662a06a01bb62a93cc18

SHA256
6f0b497435a0d502ca40b404978b4756bc2a34fde0da8c99e8df57bbe5e75613

SHA512
cb27b7e913ffd07f887889f63c2e8e059897c060f87f7162adcdbe11b75b81254337016d39405b12968357388048292a242fb87284b22aa772f5470c92542911

Download Submit
\Users\Admin\faueko.exe

Filesize
144KB

MD5
35cea6b279271c02e3e4736f80921d09

SHA1
9f6f89cbd3e9fdbb8834662a06a01bb62a93cc18

SHA256
6f0b497435a0d502ca40b404978b4756bc2a34fde0da8c99e8df57bbe5e75613

SHA512
cb27b7e913ffd07f887889f63c2e8e059897c060f87f7162adcdbe11b75b81254337016d39405b12968357388048292a242fb87284b22aa772f5470c92542911

Download Submit
memory/564-59-0x0000000000000000-mapping.dmp

Download
memory/1788-56-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads