38684f6537bb05a336ad059246b41b81d4504a931afb6d1cbb20817025c69fa4

Analysis

max time kernel
148s
max time network
152s
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, 05:00

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General

Target
jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe
Size 10.4MB
Sample260910-fm24qaff52
SHA256 38684f6537bb05a336ad059246b41b81d4504a931afb6d1cbb20817025c69fa4
MD5 a7e4eac0c9c85007db6641a6995e4cdf
SHA1 404d0073fdf7ab7b484dc6e3fe79ace9f898f2ee
SHA512 840df7bdfcb409732b2b26dd232666e5c20f35c7add225465124dfbc33ee08f90294f55a840340335cf4d2f37d67fabaa81fd7ddf2b4be5e81f319b8c1792cf2
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvL:YX/KeBR/hly4YVY8
TLSH
T18FB627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3756	audiod.exe
4268	audiod.exe
4736	audiod.exe
4040	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-1-5-21-2370214745-1838013427-2987045292-1000\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-1-5-21-2370214745-1838013427-2987045292-1000\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 4928 set thread context of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 3756 set thread context of 4268	3756	audiod.exe	88
PID 4736 set thread context of 4040	4736	audiod.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4320	4268	WerFault.exe	88
2608	4040	WerFault.exe	95

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_0Day App Pack 0217 iNT TB TopBytes net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	audiod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	audiod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4268	audiod.exe
4268	audiod.exe
4268	audiod.exe
4268	audiod.exe
4040	audiod.exe
4040	audiod.exe
4040	audiod.exe
4040	audiod.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe
3756	audiod.exe
4736	audiod.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 4928 wrote to memory of 3776	4928	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	86
PID 3776 wrote to memory of 3756	3776	jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe	87
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 3756 wrote to memory of 4268	3756	audiod.exe	88
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95
PID 4736 wrote to memory of 4040	4736	audiod.exe	95

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_0Day App Pack 0217 iNT TB TopBytes net.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3776
- - 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:3756
  - - 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:4268
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 492
        5⤵
        Program crash
        
        PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4268 -ip 4268
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:4736
- 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:4040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 488
    3⤵
    - Program crash
    PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4040 -ip 4040
1⤵
PID:1296

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 38684f6537bb05a336ad059246b41b81d4504a931afb6d1cbb20817025c69fa4
MD5 a7e4eac0c9c85007db6641a6995e4cdf
SHA1 404d0073fdf7ab7b484dc6e3fe79ace9f898f2ee
SHA512 840df7bdfcb409732b2b26dd232666e5c20f35c7add225465124dfbc33ee08f90294f55a840340335cf4d2f37d67fabaa81fd7ddf2b4be5e81f319b8c1792cf2
SSDEEP 12288:Yf//K/GBRLjhZDP4PyMRmakwVXF8ECC++nb3VfMjMLBdNs1g5GOw8KfgncPlqHvL:YX/KeBR/hly4YVY8
TLSH
T18FB627391D6F5EE7F2E9CE31E5DC935138DB65322580B7AF7383020E066F581A4A8D1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3776-4-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3776-11-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3776-12-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3776-3-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/3776-2-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4040-32-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4040-35-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4040-33-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4268-17-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4268-26-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4268-20-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4268-19-0x0000000000400000-0x000000000187B000-memory.dmp

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memory/4268-18-0x0000000000400000-0x000000000187B000-memory.dmp

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