Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 02:31
Behavioral task
behavioral1
Sample
jaffacakes118_Defraggler v 1 14.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Defraggler v 1 14.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target jaffacakes118_Defraggler v 1 14.exe
- Size 6.3MB
- Sample260910-cz8v9adj6v
- SHA256 c8b47d56fd64f67ce35c74911b60f7346059fa0f3ea838c78b55a4ed6d9ce189
- MD5 3ff4d99f3a75ebe6f3e4388e1bbd2e8f
- SHA1 2b33dca91f2782aecc9e11b7b7453687ce9943ad
- SHA512 c099bcb738bc7ff8d8942c132c7bab6f19f2861ee9ae9eaec4acce396f204dc8ca7edfbb3594fbe19b775b910385b2f5c2ac622bba6069cc00ace66ac41d43ee
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88ie3:Vkbx6begsrNgGmG+Qf7Y8ie3
- TLSH T1C666129BB61C3F37CEAE487407809AD5891C744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4596 Update.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe -
resource yara_rule behavioral2/memory/4148-0-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4148-2-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4148-4-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/files/0x000e00000001c521-8.dat upx behavioral2/memory/4596-13-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4596-15-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4148-14-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4596-17-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral2/memory/4596-16-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral2/memory/4596-18-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4596-21-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4596-23-0x0000000000400000-0x0000000000612000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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_Defraggler v 1 14.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Update.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4148 jaffacakes118_Defraggler v 1 14.exe 4148 jaffacakes118_Defraggler v 1 14.exe 4148 jaffacakes118_Defraggler v 1 14.exe 4148 jaffacakes118_Defraggler v 1 14.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe 4596 Update.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4148 wrote to memory of 4596 4148 jaffacakes118_Defraggler v 1 14.exe 89 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Defraggler v 1 14.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Defraggler v 1 14.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe"C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:4596
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe
- Size 6.3MB
- SHA256 c8b47d56fd64f67ce35c74911b60f7346059fa0f3ea838c78b55a4ed6d9ce189
- MD5 3ff4d99f3a75ebe6f3e4388e1bbd2e8f
- SHA1 2b33dca91f2782aecc9e11b7b7453687ce9943ad
- SHA512 c099bcb738bc7ff8d8942c132c7bab6f19f2861ee9ae9eaec4acce396f204dc8ca7edfbb3594fbe19b775b910385b2f5c2ac622bba6069cc00ace66ac41d43ee
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88ie3:Vkbx6begsrNgGmG+Qf7Y8ie3
- TLSH T1C666129BB61C3F37CEAE487407809AD5891C744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH