Analysis
- max time kernel
149s - max time network
150s - 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, 04:50
Behavioral task
behavioral1
Sample
jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe
- Size 6.3MB
- Sample260910-fggktsgm21
- SHA256 2f855d50824d216705610de607401eb7ee0eb716c6201946f2990d45b88539b5
- MD5 4b31189c0280b2d2cfbd6bab144fc23a
- SHA1 c6d267ff6b1cd44b3fcbf989b3bfdf42a40e9c0c
- SHA512 c5f8f691d2c91472eb4ea8bf691191350d2f5937ed08ce1c7dc0e0c43ef5878bd6a1bc4076b5eb3757c85ac2bf4f8bec076a47e9c274a19a19683f6cc048d464
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88iea:Vkbx6begsrNgGmG+Qf7Y8iea
- TLSH T1C666129BB61C3F37CEEE487407809AD58918744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3236 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-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe -
resource yara_rule behavioral2/memory/4544-0-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4544-2-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4544-4-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/files/0x000d00000001c476-8.dat upx behavioral2/memory/3236-13-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4544-14-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/4544-15-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/3236-17-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral2/memory/3236-16-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral2/memory/3236-18-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/3236-19-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/3236-20-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/3236-22-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral2/memory/3236-23-0x0000000000400000-0x0000000000612000-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_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Update.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4544 jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe 4544 jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe 4544 jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe 4544 jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe 3236 Update.exe 3236 Update.exe 3236 Update.exe 3236 Update.exe 3236 Update.exe 3236 Update.exe 3236 Update.exe 3236 Update.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4544 wrote to memory of 3236 4544 jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe 89 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Encyclopedia of 1000 Electronic Circuits (Malestrom).exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4544 -
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:3236
-
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 2f855d50824d216705610de607401eb7ee0eb716c6201946f2990d45b88539b5
- MD5 4b31189c0280b2d2cfbd6bab144fc23a
- SHA1 c6d267ff6b1cd44b3fcbf989b3bfdf42a40e9c0c
- SHA512 c5f8f691d2c91472eb4ea8bf691191350d2f5937ed08ce1c7dc0e0c43ef5878bd6a1bc4076b5eb3757c85ac2bf4f8bec076a47e9c274a19a19683f6cc048d464
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88iea:Vkbx6begsrNgGmG+Qf7Y8iea
- TLSH T1C666129BB61C3F37CEEE487407809AD58918744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH