8cc24b1ab14a8ed32233967e2a34a04fd86865740a1063091640028a3a9717ca

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/10/2026, 23:47

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General

Target
jaffacakes118_Trojan.Win32.Agent.tyug.exe
Size 24KB
Sample261015-3tapdatwdz
SHA256 8cc24b1ab14a8ed32233967e2a34a04fd86865740a1063091640028a3a9717ca
MD5 a947a8be1bd3281d567666309dbda6cf
SHA1 515fe1a606b72c2776d0087fda7325025a33d924
SHA512 63e5a22f99a306eb5bd66d7aee3e7c91119c576b37b9f2f7d7efdf239bbef3888ba6797871ad8d69e02708590c392625f999c09f41956dd92228a69db73d8cf7
SSDEEP 384:/Tx7cA/TpGqGLUE0Y5vJW+d9/I/hoS5Q:/tzbdGoi5vJh9/I/hH5
TLSH
T139B23E23BA59C026F61586F70DB7D29618213C320A925D4B788D7B6E1F74283ADF271F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery execution persistence

Malware Config

Signatures

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-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsMessenger = "C:\\WINDOWS\\system32\\messenger.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsMessenger = "C:\\WINDOWS\\system32\\messenger.exe"	reg.exe

Executes a command shell one-liner 1 TTPs 4 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4596	cmd.exe
5572	cmd.exe
5092	cmd.exe
3688	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Trojan.Win32.Agent.tyug.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
5224	reg.exe
5696	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4528	jaffacakes118_Trojan.Win32.Agent.tyug.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4596	4528	jaffacakes118_Trojan.Win32.Agent.tyug.exe	84
PID 4528 wrote to memory of 5572	4528	jaffacakes118_Trojan.Win32.Agent.tyug.exe	88
PID 4528 wrote to memory of 3688	4528	jaffacakes118_Trojan.Win32.Agent.tyug.exe	89
PID 4528 wrote to memory of 5092	4528	jaffacakes118_Trojan.Win32.Agent.tyug.exe	90
PID 5092 wrote to memory of 5696	5092	cmd.exe	94
PID 3688 wrote to memory of 5224	3688	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.tyug.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.tyug.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\cmd.exe
  cmd /d /c rename C:\WINDOWS\system32\Setup\blackbox.ocx C:\WINDOWS\system32\Setup\smss.exe && exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4596
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\WINDOWS\system32\Setup\smss.exe && exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5572
- C:\Windows\SysWOW64\cmd.exe
  cmd /d /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v WindowsMessenger /t REG_SZ /d C:\WINDOWS\system32\messenger.exe && exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v WindowsMessenger /t REG_SZ /d C:\WINDOWS\system32\messenger.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5224
- C:\Windows\SysWOW64\cmd.exe
  cmd /d /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /f /v WindowsMessenger /t REG_SZ /d C:\WINDOWS\system32\messenger.exe && exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /f /v WindowsMessenger /t REG_SZ /d C:\WINDOWS\system32\messenger.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5696