Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/10/2026, 19:32
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe
Resource
win10v2004-20260911-en
4 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe
- Size 15KB
- Sample261012-x856yazthx
- SHA256 cd830af4cf93f14658925ecafe97bfa91f89ab00004978c3019541ebbaae4b47
- MD5 e0418c16c8f6636a26d469a853ecdb9a
- SHA1 55cbdc2cbe36184a1be83b0349212356eced4a40
- SHA512 9c874e3c558cf3d62ab9419ba8402b1681b0f2b17de32b9c03d48d0d8bc39ce289c0b6957c776eb7bf2428bed7a01e660dd45583a6b5180d4ab5a50576b9b60e
- SSDEEP 192:B3jME2EH2Ufm2JI6NkIbh9mHOw/ASYFFQCKDvrZMYLCjjoovR/IZFj7nTCkN8exD:B3j7FJIGkCw/zB5D9zUpIzj/rNRJ
- TLSH T10562CF4A0E5D5C32DE1436768487FB791E49FAE141A613AE3E6907D3589246CFC0CB8F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3256-0-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3256-1-0x0000000000400000-0x0000000000414000-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.IstBar.gen.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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.IstBar.gen.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Internet Explorer\Main jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe Set value (str) \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Internet Explorer\Main\BandRest = "Never" jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\BandRest = "Never" jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:3256