e497cde83d99bced42f2670fff2670bb1a40471de51a0e65f6513d403588c7ae

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 04:09

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
Size 10.4MB
Sample260910-eq79gaxbpd
SHA256 e497cde83d99bced42f2670fff2670bb1a40471de51a0e65f6513d403588c7ae
MD5 db1631d29173822e7b4c03d89c59cffb
SHA1 8a57d3cbfd931a03a9f7c58e4aa99c39dd052042
SHA512 9bfa0e78972cbd588b5c93c109169e2751519cf4808c03f267c9c607c5e25aef8d4a8b5cf982eaa3aa73477ef59aaaca64704371fadd1701e8bbd04fa031fbc4
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvz:YX/KeBR/hly4YVYk
TLSH
T178B627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1756	audiod.exe
4756	audiod.exe
3740	audiod.exe
64	audiod.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Audio Device Graph = "C:\\Users\\Admin\\AppData\\Local\\Temp\\audiod.exe"	audiod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Audio Device Graph = "C:\\Users\\Admin\\AppData\\Local\\Temp\\audiod.exe"	audiod.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3212 set thread context of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 1756 set thread context of 4756	1756	audiod.exe	88
PID 3740 set thread context of 64	3740	audiod.exe	99

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2360	4756	WerFault.exe	88
3840	64	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 4 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_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	audiod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	audiod.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4756	audiod.exe
4756	audiod.exe
4756	audiod.exe
4756	audiod.exe
64	audiod.exe
64	audiod.exe
64	audiod.exe
64	audiod.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
1756	audiod.exe
3740	audiod.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 3212 wrote to memory of 4548	3212	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	86
PID 4548 wrote to memory of 1756	4548	jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe	87
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 1756 wrote to memory of 4756	1756	audiod.exe	88
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99
PID 3740 wrote to memory of 64	3740	audiod.exe	99

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_[WoB] Cowon JetAudio v7 5 1 2 Plus VX FOSI.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Users\Admin\AppData\Local\Temp\audiod.exe
    "C:\Users\Admin\AppData\Local\Temp\audiod.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1756
  - - C:\Users\Admin\AppData\Local\Temp\audiod.exe
      "C:\Users\Admin\AppData\Local\Temp\audiod.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      PID:4756
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 488
        5⤵
        Program crash
        
        PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4756 -ip 4756
1⤵
PID:1164

C:\Users\Admin\AppData\Local\Temp\audiod.exe
C:\Users\Admin\AppData\Local\Temp\audiod.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Users\Admin\AppData\Local\Temp\audiod.exe
  "C:\Users\Admin\AppData\Local\Temp\audiod.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:64
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 484
    3⤵
    - Program crash
    PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 64 -ip 64
1⤵
PID:1636

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

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

audiod.exe

Path C:\Users\Admin\AppData\Local\Temp\audiod.exe
Size 10.4MB
SHA256 e497cde83d99bced42f2670fff2670bb1a40471de51a0e65f6513d403588c7ae
MD5 db1631d29173822e7b4c03d89c59cffb
SHA1 8a57d3cbfd931a03a9f7c58e4aa99c39dd052042
SHA512 9bfa0e78972cbd588b5c93c109169e2751519cf4808c03f267c9c607c5e25aef8d4a8b5cf982eaa3aa73477ef59aaaca64704371fadd1701e8bbd04fa031fbc4
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvz:YX/KeBR/hly4YVYk
TLSH
T178B627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/64-33-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/64-38-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/64-32-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-3-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-4-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-12-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-11-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-2-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4548-35-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4756-17-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4756-26-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4756-21-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4756-22-0x0000000000400000-0x000000000187B000-memory.dmp

Download

memory/4756-18-0x0000000000400000-0x000000000187B000-memory.dmp

Download