Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/10/2026, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
jaffacakes118_Virus.Win32.Pioneer.cz.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Virus.Win32.Pioneer.cz.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_Virus.Win32.Pioneer.cz.exe
- Size 1.9MB
- Sample261015-2ajx9set2q
- SHA256 1ab92b25945a06d532326a4585cd6e7b09444cd374d165f2e10417c99a0ece8d
- MD5 b306e25e2b17d8403acf965e91f7e218
- SHA1 5b42e946be863877e4d4d482e9e16f63432355e9
- SHA512 03ddc90b59db39bceb28af4d3c8b721fb80eeccccbddc90bc6392d2257f9e6b31a4df6708579008fe1a30217a1d105ba7935d70fa478f4656205c290d0762393
- SSDEEP 24576:bk4aPlfTUYDrQOfseBC1+ZnoBzEgY5cfPtQE3WV9UKkjhmKiKSqSWLaPgIze7m2c:brU9T8ZDYWntr3WVaju4I3VGizeL+H
- TLSH T15995BE61FBCAC1F6CE4B12742065D72F9BF1832857352AE363902E8D59B72D1AC36319
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b85c-2.dat floxif - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000700000001b85c-2.dat acprotect - Executes dropped EXE 1 IoCs
pid Process 2736 gupd.exe - Loads dropped DLL 2 IoCs
pid Process 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 2736 gupd.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\gtalkupdate = "C:\\Users\\Admin\\gupd.exe" jaffacakes118_Virus.Win32.Pioneer.cz.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\d: jaffacakes118_Virus.Win32.Pioneer.cz.exe -
resource yara_rule behavioral2/files/0x000700000001b85c-2.dat upx behavioral2/memory/5068-5-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2736-15-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/5068-17-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2736-21-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/5068-24-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2736-27-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll jaffacakes118_Virus.Win32.Pioneer.cz.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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\Domain jaffacakes118_Virus.Win32.Pioneer.cz.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname gupd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain gupd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_Virus.Win32.Pioneer.cz.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_Virus.Win32.Pioneer.cz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gupd.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5068 jaffacakes118_Virus.Win32.Pioneer.cz.exe Token: SeDebugPrivilege 2736 gupd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Virus.Win32.Pioneer.cz.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Virus.Win32.Pioneer.cz.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
-
C:\Users\Admin\gupd.exeC:\Users\Admin\gupd.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2736
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- TLSH T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\gupd.exe
- Size 1.9MB
- SHA256 1ab92b25945a06d532326a4585cd6e7b09444cd374d165f2e10417c99a0ece8d
- MD5 b306e25e2b17d8403acf965e91f7e218
- SHA1 5b42e946be863877e4d4d482e9e16f63432355e9
- SHA512 03ddc90b59db39bceb28af4d3c8b721fb80eeccccbddc90bc6392d2257f9e6b31a4df6708579008fe1a30217a1d105ba7935d70fa478f4656205c290d0762393
- SSDEEP 24576:bk4aPlfTUYDrQOfseBC1+ZnoBzEgY5cfPtQE3WV9UKkjhmKiKSqSWLaPgIze7m2c:brU9T8ZDYWntr3WVaju4I3VGizeL+H
- TLSH T15995BE61FBCAC1F6CE4B12742065D72F9BF1832857352AE363902E8D59B72D1AC36319
- MD5 SHA1 SHA512 SSDEEP TLSH