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, 13:27
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe
- Size 868KB
- Sample261006-qqa5hsby2j
- SHA256 ca84f35a0cc4eb1d2382422d2be4ab618f3f9efa5b4e5d98f99b5eda6bd5d0cb
- MD5 7050ae4daba62dec74527743ad460283
- SHA1 28a2ec65a6aaf6dd0f84d7bf0bb312da6b3ab0b1
- SHA512 d350f277aee782e73f147e955905d2f98de219d8eb484df9c6a4c386a5692f1bcfc0dd84d092bada0746ffc5b841a8ecbee3f3f5794c6ac292d39d83f5c84dbf
- SSDEEP 12288:MtK+A4cNwC+eWFiL+FY+m+A4WMGayV+m+m+m+gTA+9F+OFDK+t5B+G+3sU+m+m+0:W2J1WFmVMGrTpFpV8
- TLSH T1B0151277970FAA1BE209BC77F37E53A0085B55B06DC7C9D1DAAEF66BC1A0C210186B44
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\spools.exe jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe File opened for modification C:\Windows\SysWOW64\drivers\spools.exe jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe - Executes dropped EXE 1 IoCs
pid Process 4864 cftmon.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe" jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe -
resource yara_rule behavioral2/memory/4416-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x0005000000016b45-4.dat upx behavioral2/memory/4864-6-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/4416-7-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/4416-8-0x0000000000400000-0x0000000000417000-memory.dmp upx - 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.ius.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan-Downloader.Win32.Small.ius.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.ius.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cftmon.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ius.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4416
-
C:\Users\Admin\Local Settings\Application Data\cftmon.exe"C:\Users\Admin\Local Settings\Application Data\cftmon.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4864
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\cftmon.exe
- Size 884KB
- SHA256 205c986c00c7b81051d875e58518f378636017a1973160c1f142719db7fe9f32
- MD5 b6621d9845badf98f04b023548d359d5
- SHA1 457a6d28c58b2c12bbe9c8d29527c5ff1f448639
- SHA512 ccfd69869b59a6692df9315313f701f1d52bca8793321da34b7c1a9365547e0d5f5b391d405d318877faa0ae3648a3d3347fd8a4069368285eb9e6b105fac438
- SSDEEP 12288:MtK+A4cNwC+eWFiL+FY+m+A4WMGayV+m+m+m+gTA+9F+OFDK+t5B+G+3sU+m+m+K:W2J1WFmVMGrTpFpVXy
- TLSH T177151277934BAA1BE209BC77F37E53A0085A55B0ADC7C9D1DAAEF76BC1B0C110186B44
- MD5 SHA1 SHA512 SSDEEP TLSH