31b4e5de8cb36330d4b41bd6b2d42c40d1d250cdfb042ee1519cd8f23e172771

Analysis

max time kernel
148s
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, 04:15

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General

Target
jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe
Size 10.4MB
Sample260910-evcy5afm8v
SHA256 31b4e5de8cb36330d4b41bd6b2d42c40d1d250cdfb042ee1519cd8f23e172771
MD5 929c167264b4677b3ad28251771ebe04
SHA1 7cb157a1bb93c2266f6f2155855f31082ee13409
SHA512 9fe65845ada9b1d848446d830aa2ce29eac4b2690b4daa82a6f06efaadd6c60b36dfd286a5a8a54f1cba72d3201756e98cf914fcd5497d768ae474f0a90da175
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvY:YX/KeBR/hly4YVYT
TLSH
T1AFB627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
556	audiod.exe
3700	audiod.exe
4188	audiod.exe
3600	audiod.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\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 960 set thread context of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 556 set thread context of 3700	556	audiod.exe	88
PID 4188 set thread context of 3600	4188	audiod.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1740	3700	WerFault.exe	88

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_F-Secure-Internet-Security-2009-Multi+ Install-.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.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 4 IoCs

pid	Process
3700	audiod.exe
3700	audiod.exe
3700	audiod.exe
3700	audiod.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe
556	audiod.exe
4188	audiod.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 960 wrote to memory of 3492	960	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	86
PID 3492 wrote to memory of 556	3492	jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe	87
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 556 wrote to memory of 3700	556	audiod.exe	88
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95
PID 4188 wrote to memory of 3600	4188	audiod.exe	95

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_F-Secure-Internet-Security-2009-Multi+ Install-.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3492
- - 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:556
  - - 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:3700
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 488
        5⤵
        Program crash
        
        PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3700 -ip 3700
1⤵
PID:4760

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:4188
- C:\Users\Admin\AppData\Local\Temp\audiod.exe
  "C:\Users\Admin\AppData\Local\Temp\audiod.exe"
  2⤵
  - Executes dropped EXE
  PID:3600

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

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Downloads

audiod.exe

Path C:\Users\Admin\AppData\Local\Temp\audiod.exe
Size 10.4MB
SHA256 31b4e5de8cb36330d4b41bd6b2d42c40d1d250cdfb042ee1519cd8f23e172771
MD5 929c167264b4677b3ad28251771ebe04
SHA1 7cb157a1bb93c2266f6f2155855f31082ee13409
SHA512 9fe65845ada9b1d848446d830aa2ce29eac4b2690b4daa82a6f06efaadd6c60b36dfd286a5a8a54f1cba72d3201756e98cf914fcd5497d768ae474f0a90da175
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvY:YX/KeBR/hly4YVYT
TLSH
T1AFB627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3492-2-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3492-3-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3492-12-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3492-8-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3492-4-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3492-34-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3600-28-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3600-27-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3700-18-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3700-21-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3700-30-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3700-17-0x0000000000400000-0x000000000187B000-memory.dmp

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