Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/10/2026, 13:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe
- Size 19KB
- Sample261006-qevd1sfa66
- SHA256 c85a0e9a0face362ced15679480576297f5f3ff42231a75401efad8ce22d53c4
- MD5 cf0920b7b623afe9f206fa7974673840
- SHA1 9e28affda766e7d43f988d9509ae795d50f76a60
- SHA512 93516798ebd3b5b45d0eb649c5fca963d4f49dd41dc39e8c10df4df2be670d990bad5ccd9a0541662083860b5bb7822f769f5fc062d25d8f1c812d0b6a1550d8
- SSDEEP 384:XIWSjNR0hBdEJDEOnHgOAHcwZ9g5mnoL0ecSrkZ:4/Ry7QDlHgO7I64noLuSQZ
- TLSH T177925B53DEA81115E5F24F3090BEE5229E353F90A8B06059319D71C83F72B742E54B7B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 5100 Del1B4E.tmp - Executes dropped EXE 1 IoCs
pid Process 5100 Del1B4E.tmp - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\win.ini jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe - 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan-Downloader.Win32.Small.ctx.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Del1B4E.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1828 wrote to memory of 5100 1828 jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe"1⤵
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Users\Admin\AppData\Local\Temp\Del1B4E.tmp"C:\Users\Admin\AppData\Local\Temp\Del1B4E.tmp" XXX:1272 EXE:"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ctx.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5100
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Del1B4E.tmp
- Size 19KB
- SHA256 c85a0e9a0face362ced15679480576297f5f3ff42231a75401efad8ce22d53c4
- MD5 cf0920b7b623afe9f206fa7974673840
- SHA1 9e28affda766e7d43f988d9509ae795d50f76a60
- SHA512 93516798ebd3b5b45d0eb649c5fca963d4f49dd41dc39e8c10df4df2be670d990bad5ccd9a0541662083860b5bb7822f769f5fc062d25d8f1c812d0b6a1550d8
- SSDEEP 384:XIWSjNR0hBdEJDEOnHgOAHcwZ9g5mnoL0ecSrkZ:4/Ry7QDlHgO7I64noLuSQZ
- TLSH T177925B53DEA81115E5F24F3090BEE5229E353F90A8B06059319D71C83F72B742E54B7B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\win.ini
- Size 180B
- SHA256 b057ba07e8d71a73e2bbf12d4a44ea1707f773fe2cb97295ca2e976f3561c981
- MD5 57298dd0d29b6aa7af8d3f465994e539
- SHA1 741dfdbb6d5ef19f497c7ba581f06583a955f799
- SHA512 69085bd4411fe92e4dd8988f06c595bdabd6746299f7b1426fc1eb01d296db4a8b6c9a8c617b5d5e4bdaaa4c62cab89b9505353215cabc6919f3c89c71fd19f7
- TLSH T184C08C044F84EB6EC6ADC135FC24BAECDA3019A2BA63E0E221F2E60B08003D3F90C114
- MD5 SHA1 SHA512 TLSH