25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3

General

Target

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Size

124KB
MD5

5e9f410252fb1ee7811675ecf5c9a590
SHA1

0ec445036a9a988f3cd5d7623637239adb99558b
SHA256

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3
SHA512

b2766c0250684178999124dace467dcfda391dcdba1f3375eb49aa81536fc91ffada8824c5a46a888cbd0ee02a500351c7549d04ec656826bd27fbf0bae97473
SSDEEP

1536:LRbkEFU/67NxkiQixA+alh98r8Y9USv1jylgwo7JaSi:9bkEFU/67gjH8ri82gwQU

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:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exeroavun.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	roavun.exe

Executes dropped EXE 1 IoCs

Processes:

roavun.exe

pid process

900 roavun.exe

pid	process
900	roavun.exe

Loads dropped DLL 2 IoCs

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

pid	process
996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

Adds Run key to start application 2 TTPs 53 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

roavun.exe25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /J"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /d"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /m"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /U"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /x"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /i"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /Y"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /q"	roavun.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /F"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /I"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /r"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /z"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /g"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /W"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /k"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /e"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /B"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /E"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /j"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /b"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /H"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /p"	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /M"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /D"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /X"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /w"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /C"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /l"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /T"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /c"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /G"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /Q"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /N"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /v"	roavun.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /o"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /y"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /O"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /u"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /s"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /R"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /L"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /t"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /a"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /f"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /V"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /A"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /K"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /n"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /S"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /P"	roavun.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\roavun = "C:\\Users\\Admin\\roavun.exe /h"	roavun.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:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exeroavun.exe

pid	process
996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe
900	roavun.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exeroavun.exe

pid process

996 25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
900 roavun.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

description	pid	process	target process
PID 996 wrote to memory of 900	996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	roavun.exe
PID 996 wrote to memory of 900	996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	roavun.exe
PID 996 wrote to memory of 900	996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	roavun.exe
PID 996 wrote to memory of 900	996	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	roavun.exe

C:\Users\Admin\AppData\Local\Temp\25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
"C:\Users\Admin\AppData\Local\Temp\25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.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:996

C:\Users\Admin\roavun.exe
"C:\Users\Admin\roavun.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:900

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\roavun.exe

Filesize
124KB

MD5
1e724dd8523854eac869bc0151cdfa48

SHA1
aea5ab67e9d5e87974aadcbde6dd5c8d6ede59f4

SHA256
2629da872b9dd774ebe742bd14dcc351df35648642ac1d023ede9580ddee0b22

SHA512
ecfb9afd1462648431959e07fb68fe39fb3c13e5232c3da7dac95900976e507e3be0d3cbb3c96c90f141e137a2cf564e961450ab5947a967c9a256636980cd46

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

Filesize
124KB

MD5
1e724dd8523854eac869bc0151cdfa48

SHA1
aea5ab67e9d5e87974aadcbde6dd5c8d6ede59f4

SHA256
2629da872b9dd774ebe742bd14dcc351df35648642ac1d023ede9580ddee0b22

SHA512
ecfb9afd1462648431959e07fb68fe39fb3c13e5232c3da7dac95900976e507e3be0d3cbb3c96c90f141e137a2cf564e961450ab5947a967c9a256636980cd46

Download Submit
\Users\Admin\roavun.exe

Filesize
124KB

MD5
1e724dd8523854eac869bc0151cdfa48

SHA1
aea5ab67e9d5e87974aadcbde6dd5c8d6ede59f4

SHA256
2629da872b9dd774ebe742bd14dcc351df35648642ac1d023ede9580ddee0b22

SHA512
ecfb9afd1462648431959e07fb68fe39fb3c13e5232c3da7dac95900976e507e3be0d3cbb3c96c90f141e137a2cf564e961450ab5947a967c9a256636980cd46

Download Submit
\Users\Admin\roavun.exe

Filesize
124KB

MD5
1e724dd8523854eac869bc0151cdfa48

SHA1
aea5ab67e9d5e87974aadcbde6dd5c8d6ede59f4

SHA256
2629da872b9dd774ebe742bd14dcc351df35648642ac1d023ede9580ddee0b22

SHA512
ecfb9afd1462648431959e07fb68fe39fb3c13e5232c3da7dac95900976e507e3be0d3cbb3c96c90f141e137a2cf564e961450ab5947a967c9a256636980cd46

Download Submit
memory/900-59-0x0000000000000000-mapping.dmp

Download
memory/996-56-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads