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
10/10/2026, 14:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.exe
Resource
win10v2004-20260911-en
10 signatures
150 seconds
General
- Target jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.exe
- Size 288KB
- Sample261010-rpbv4aaa99
- SHA256 55454c0abe71e3d0401c9f5d4d45d78423ec0c46177c7ea2b2236cb7f44babc4
- MD5 06f60b2a919f5dc499b8c3470d5e1a02
- SHA1 2a91e782dd7bf35cf46a07705446e3b1fa90fe50
- SHA512 7c94a9b7d313e220b5366fcd27943619b00647c22684bea7f40f26fc9c512ab2a3be4397ba4958c99ffaafc996aea1eb123f0ef1115063c1362fd373ec08b257
- SSDEEP 3072:i0t/Op2/WzwJ3s1MK3c0naAE6pQNoj22uHVBBG0nZeBJs/chAL/2GajgnUeiTWQq:ib0t2M0naxedSh9L/ZBJiDhjQWY7
- TLSH T14F54128583691D78FC1A9F72BEA55A4004A7FD310D479707B0643E7C3BB02624ED7B6A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects PandaZeuS 2 IoCs
resource yara_rule behavioral1/memory/4912-5-0x0000000000400000-0x0000000000424000-memory.dmp family_pandazeus behavioral1/memory/4912-10-0x0000000000400000-0x0000000000424000-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.Win32.VBKryjetor.ajmb.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.Win32.VBKryjetor.ajmb.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.Win32.VBKryjetor.ajmb.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.Win32.VBKryjetor.ajmb.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 100 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.Win32.VBKryjetor.ajmb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4912 jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4912 wrote to memory of 100 4912 jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.VBKryjetor.ajmb.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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upda848e60c.bat"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:100
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\upda848e60c.bat
- Size 269B
- SHA256 538d0ac67c78d5b0fdb27cb0f373276c74372545421f9ed68462d3a3c0cf08fb
- MD5 01c413fc07ab7019e577d5e476bcb27c
- SHA1 faf6ca17b396027c330d5602900948cece763255
- SHA512 ee9e810337e20249c251c95ce2e3f592e0dc6f96861a84b8a5402c337a0d08349c6f1fe2ff3996239e50de96cafd36256f7f86b1c283fb59d9f043d7edc58452
- TLSH T14BD02B4A82C5C99E4C00C9A745BC978DA4290E152F887F344321C68CE371019B687354
- MD5 SHA1 SHA512 TLSH