Analysis
- max time kernel
92s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/10/2026, 08:31
General
- Target jaffacakes118_Packed.Win32.Krap.ba.exe
- Size 428KB
- Sample261014-ke19nsat21
- SHA256 30310e8b4cd346f6dc57a593633d6badb046f41d98510534e98afe0f06cd8de2
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in System32 directory 4 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_Packed.Win32.Krap.ba.exe3⤵
- Adds Run key to start application
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1264-9-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1264-1-0x0000000000700000-0x0000000000739000-memory.dmp
memory/1264-2-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1264-8-0x0000000000401000-0x0000000000467000-memory.dmp
memory/1264-7-0x0000000077BB3000-0x0000000077BB4000-memory.dmp
memory/1264-6-0x0000000002510000-0x0000000002520000-memory.dmp
memory/1264-22-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1264-21-0x0000000000401000-0x0000000000467000-memory.dmp
memory/1264-20-0x0000000000700000-0x0000000000739000-memory.dmp
memory/1264-4-0x0000000002220000-0x0000000002230000-memory.dmp
memory/1264-3-0x0000000002380000-0x0000000002390000-memory.dmp
memory/1264-0-0x00000000005A0000-0x00000000005A4000-memory.dmp
memory/1264-5-0x0000000077BB2000-0x0000000077BB3000-memory.dmp
memory/4148-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-79-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-10-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-12-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-15-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-16-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-17-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-23-0x0000000010410000-0x0000000010445000-memory.dmp
memory/4148-27-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-11-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4148-75-0x0000000010450000-0x0000000010485000-memory.dmp
memory/4148-28-0x0000000010450000-0x0000000010485000-memory.dmp
memory/4148-31-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4784-29-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/4784-78-0x00000000035F0000-0x00000000035F1000-memory.dmp
memory/4784-80-0x0000000010450000-0x0000000010485000-memory.dmp
memory/4784-33-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4784-30-0x00000000005F0000-0x00000000005F1000-memory.dmp
memory/4784-87-0x0000000010450000-0x0000000010485000-memory.dmp
memory/4784-86-0x0000000010450000-0x0000000010485000-memory.dmp