Analysis
- max time kernel
150s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 02:22
Behavioral task
behavioral1
Sample
jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe
- Size 6.3MB
- Sample260910-ctxk2awvbz
- SHA256 7cbf50a5c1956a0377d207c3474d8bc87e333bd4a7f98b4024d4147bf418f5ae
- MD5 bdc178a7290f6d63a991f6bbb8b8d3d0
- SHA1 04097e0d99ac9c55f333b31f8af62772d323a669
- SHA512 9cb1083c82009ecff4af23db8a90922fe04004b87cb38fd9ab4d4ff418f53087f1d154b32b2db96aed40ca0f21cdf9cba7d93cef2113aaa41c408d49e7465be1
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88ies:Vkbx6begsrNgGmG+Qf7Y8ies
- TLSH T19866129BB61C3F37CEEE487407809AD58918744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe - Executes dropped EXE 1 IoCs
pid Process 4472 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-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe -
resource yara_rule behavioral1/memory/4400-0-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4400-3-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4400-4-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/files/0x00090000000244a1-8.dat upx behavioral1/memory/4472-13-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4472-12-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4400-15-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4472-16-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4472-18-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral1/memory/4472-19-0x0000000010000000-0x000000001005A000-memory.dmp upx behavioral1/memory/4472-21-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4472-24-0x0000000000400000-0x0000000000612000-memory.dmp upx behavioral1/memory/4472-26-0x0000000000400000-0x0000000000612000-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_SIMS net ~PROJECT MAYHEM~.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Update.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4400 jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe 4400 jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe 4400 jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe 4400 jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe 4472 Update.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4400 wrote to memory of 4472 4400 jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe 96 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Update.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_SIMS net ~PROJECT MAYHEM~.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4400 -
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:4472
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe
- Size 6.3MB
- SHA256 7cbf50a5c1956a0377d207c3474d8bc87e333bd4a7f98b4024d4147bf418f5ae
- MD5 bdc178a7290f6d63a991f6bbb8b8d3d0
- SHA1 04097e0d99ac9c55f333b31f8af62772d323a669
- SHA512 9cb1083c82009ecff4af23db8a90922fe04004b87cb38fd9ab4d4ff418f53087f1d154b32b2db96aed40ca0f21cdf9cba7d93cef2113aaa41c408d49e7465be1
- SSDEEP 12288:VRWbxXtANrnepr+U/r9TgD65O1+dd3HHHSJMHHxXXmCvY1ETf7NIjK88ies:Vkbx6begsrNgGmG+Qf7Y8ies
- TLSH T19866129BB61C3F37CEEE487407809AD58918744F54F843155839EFFAAABC9370598B22
- MD5 SHA1 SHA512 SSDEEP TLSH