Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 10:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe
- Size 24.8MB
- Sample260930-menppawzbw
- SHA256 ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318
- MD5 a976ac9e175e0969ea592249642ffcd9
- SHA1 b3c0e49394d6acbc29176df386a50d811218bb25
- SHA512 8af31c6c4e325ec5e10929a6f74abda26c3403b3b33b3e2dbe0bdd32f78267f1129e10f3b558fea266117c9c5a37269644f5938df5731dfaff02069eebef2055
- SSDEEP 49152:ErTrEEGSoHgfhUfKITnUkcNVuV9zwuFsdgPGRf0X28Ig5d8IP3Y48IjK451h/eoC:UTfhSux0/I3IgI+451h/5SIQZMI
- TLSH T11E4763F0184084EFE2218BFFDB5BBA94F5563C425916518618E2FDBB0A3C554A832EFD
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5096 OperationSystem.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OperationSystem.exe = "C:\\Users\\Admin\\AppData\\Local\\Toulethallow\\OperationSystem.exe" jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.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 jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.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_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OperationSystem.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3096 jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe 5096 OperationSystem.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318.exe"1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:3096
-
C:\Users\Admin\AppData\Local\Toulethallow\OperationSystem.exeC:\Users\Admin\AppData\Local\Toulethallow\OperationSystem.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:5096
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Toulethallow\OperationSystem.exe
- Size 24.8MB
- SHA256 ef2c865e11c3df1a1eb99ba96f7f76d108f897a5a06e15c9f883404dd1c6f318
- MD5 a976ac9e175e0969ea592249642ffcd9
- SHA1 b3c0e49394d6acbc29176df386a50d811218bb25
- SHA512 8af31c6c4e325ec5e10929a6f74abda26c3403b3b33b3e2dbe0bdd32f78267f1129e10f3b558fea266117c9c5a37269644f5938df5731dfaff02069eebef2055
- SSDEEP 49152:ErTrEEGSoHgfhUfKITnUkcNVuV9zwuFsdgPGRf0X28Ig5d8IP3Y48IjK451h/eoC:UTfhSux0/I3IgI+451h/5SIQZMI
- TLSH T11E4763F0184084EFE2218BFFDB5BBA94F5563C425916518618E2FDBB0A3C554A832EFD
- MD5 SHA1 SHA512 SSDEEP TLSH