Analysis
- max time kernel
149s - max time network
116s - 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, 19:16
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe
- Size 143KB
- Sample261012-xyydcazsgv
- SHA256 dc955b15b1cc33cac5d9cd043899327357d056c58787c9413388c668b2856280
- MD5 bbfd97776a86036a1f5d940f977b801e
- SHA1 b46cf73274cbcfdd0fee57715e1edadb0964d8a4
- SHA512 cf0737d20746b1a41e48f0ef43c81110b27967b8f30bcd7e6d4486725cbe6b1686548ce9f620d37a71e52091e501bee1061ec9d64c001fce01b6b13990298e93
- SSDEEP 3072:jerYhWKH+ApUJOCxm+KPCtmZG5exhuhz2D23TBOOJ0Cp:OYBHX2OHjzu8KPJ
- TLSH T135E31317263E4A8CC099A8B50E1AA63970B18D6F8BF19B3AC555109B4F70DCDBB18F0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4396 assesorio.exe 1556 assesorio.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Service System = "\"c:\\windows\\assesorio.exe\"" assesorio.exe -
resource yara_rule behavioral2/memory/4360-0-0x0000000000400000-0x00000000005A9000-memory.dmp upx behavioral2/files/0x000600000001b6ed-8.dat upx behavioral2/memory/1556-19-0x0000000000400000-0x00000000005A9000-memory.dmp upx behavioral2/memory/4360-20-0x0000000000400000-0x00000000005A9000-memory.dmp upx behavioral2/memory/4396-22-0x0000000000400000-0x00000000005A9000-memory.dmp upx behavioral2/memory/4360-23-0x0000000000400000-0x00000000005A9000-memory.dmp upx behavioral2/memory/4396-26-0x0000000000400000-0x00000000005A9000-memory.dmp upx - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\ieupdate.dat assesorio.exe File created \??\c:\windows\assesorio.exe jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe File opened for modification \??\c:\windows\assesorio.exe jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe - 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 assesorio.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain assesorio.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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-Banker.Win32.Bancos.ha.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language assesorio.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language assesorio.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4360 jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe 4396 assesorio.exe 1556 assesorio.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4360 wrote to memory of 4396 4360 jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Banker.Win32.Bancos.ha.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4360 -
\??\c:\windows\assesorio.exec:\windows\assesorio.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4396
-
-
\??\c:\windows\assesorio.exe"c:\windows\assesorio.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1556
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\assesorio.exe
- Size 143KB
- SHA256 dc955b15b1cc33cac5d9cd043899327357d056c58787c9413388c668b2856280
- MD5 bbfd97776a86036a1f5d940f977b801e
- SHA1 b46cf73274cbcfdd0fee57715e1edadb0964d8a4
- SHA512 cf0737d20746b1a41e48f0ef43c81110b27967b8f30bcd7e6d4486725cbe6b1686548ce9f620d37a71e52091e501bee1061ec9d64c001fce01b6b13990298e93
- SSDEEP 3072:jerYhWKH+ApUJOCxm+KPCtmZG5exhuhz2D23TBOOJ0Cp:OYBHX2OHjzu8KPJ
- TLSH T135E31317263E4A8CC099A8B50E1AA63970B18D6F8BF19B3AC555109B4F70DCDBB18F0D
- MD5 SHA1 SHA512 SSDEEP TLSH