dc8279a595401fc1ed362c5e1c141bc1ce81c57298d86918b1df1e4e2b70b29c

Analysis

max time kernel
149s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/10/2026, 22:32

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General

Target
jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
Size 228KB
Sample261015-2f8htatscs
SHA256 dc8279a595401fc1ed362c5e1c141bc1ce81c57298d86918b1df1e4e2b70b29c
MD5 4205159cab2303a23d7282076568fc66
SHA1 c5c435c494e5ed6cef507921db812196226fd814
SHA512 aa1b0cf73b1a6bbe3e50d8aa26d4675258cd6b73431527c817ad434ecaf8f9cbfedf4b3a65c371889257904f5e0d5c114dd087ba6581a1b48ab1062731d6b62f
SSDEEP 6144:am83PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/7S3:amGPhAmZIH+7O
TLSH
T13734C7677F659848F43A15F459F3C3F20696E84DCA47420B5B303A2A2EFBE461D246B3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery persistence

Malware Config

Signatures

Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	riiohoz.exe

Executes dropped EXE 1 IoCs

pid	Process
4232	riiohoz.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /m"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /f"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /o"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /y"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /z"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /v"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /i"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /c"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /t"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /b"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /g"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /u"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /x"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /q"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /p"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /r"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /w"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /n"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /l"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /a"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /h"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /s"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /k"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /j"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /e"	riiohoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /l"	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiohoz = "C:\\Users\\Admin\\riiohoz.exe /d"	riiohoz.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	riiohoz.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4960	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
4960	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe
4232	riiohoz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4960	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
4232	riiohoz.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 4232	4960	jaffacakes118_Worm.Win32.Vobfus.dgsd.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Vobfus.dgsd.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Vobfus.dgsd.exe"
1⤵
- Modifies visibility of hidden/system files in Explorer
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\riiohoz.exe
  "C:\Users\Admin\riiohoz.exe"
  2⤵
  - Modifies visibility of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4232

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

riiohoz.exe

Path C:\Users\Admin\riiohoz.exe
Size 228KB
SHA256 7b04e37eb582f8ac0bfbab22345f9f54a5adf83c32ca2b79e191e5578f004b56
MD5 c2baf54e44d8c748091a3014289b0625
SHA1 776c6b3baf79d7095eaff1e477aacd1b32b868a4
SHA512 2cd85a89d68cba73fd72103a58b058e42f71e501d1a81435c7771bc81e149d8e8cba0e3e160d9b58596b456864b57653e9448645ae9218b8db53b923da543676
SSDEEP 6144:7mF3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/7ST:7mBPhAmZIH+7C
TLSH
T1A734C7677F659848F43A15F459F3C3F20696E84DCA47420B5B303A2A2EFBE461D246B3
MD5 SHA1 SHA512 SSDEEP TLSH

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