Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/10/2026, 01:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe
- Size 184KB
- Sample261019-bglgkade96
- SHA256 520e78f7c5f55de70c15031db0c2aad2a3708fcceb5198c24628d497093c4ae0
- MD5 7bd67403cc46251d406394b611e43b98
- SHA1 c84f306aa5b8dde78ca56f45271410f09eb05396
- SHA512 88e26cfb2fd1ac89b54de3efdf2183c585c1442ec82022380d9a39d9afa16be1ba5a30c971b7899d01afff552c84a830c886b8793dfc1c684d33dd1533822518
- SSDEEP 3072:ILdX0tK/I4vUF9KSPvTHFECy0eAQ5eQOMaqhpVpdxkS:kvUF97nTiDAQ5CMXhXJ
- TLSH T13A04CF12A3F5C435F0F75B7418B983951A3BBD92AE39C10F6B04168E4E72AD4DA39723
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects PandaZeuS 2 IoCs
resource yara_rule behavioral1/memory/4808-7-0x0000000000400000-0x0000000000430000-memory.dmp family_pandazeus behavioral1/memory/4808-9-0x0000000000400000-0x0000000000430000-memory.dmp family_pandazeus - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5884 cmd.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.Upatre.fyug.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4808 jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4808 jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4808 wrote to memory of 5884 4808 jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.fyug.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upd8b64828d.bat"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5884
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵PID:4636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\upd8b64828d.bat
- Size 283B
- SHA256 b1553ac634576e5aa7a54e8b70214188a0dbda37a7b59f582fc5d87425a7ae9f
- MD5 ab79f8c03e3ef45d7dc5d2c09f4b13d0
- SHA1 b3f5d80e3e94451135c88155cb15241baf061957
- SHA512 135b70531322b50ce7f5213c9ea1c552d6490baf3fd9c697ad5a4f042e521f8b4a714197fe064e182048e2dd68a3cec6972ff69b0700c27b9c95cdc32936e52c
- TLSH T155D0C28D51C6C9250C00ED6B45795F8E98240C193BC97F164361C08D92B206AF183346
- MD5 SHA1 SHA512 TLSH