Analysis
- max time kernel
149s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/05/2026, 17:06
General
- Target 2026-05-11_e986d20173cd869bb9c21c7441f5dc63_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe
- Size 969KB
- Sample260511-vmrejsft8v
- SHA256 77ee5f036ea99cdd28c80be7b71966a1a897dbc219bcb34bdfc6807ba3a5c089
Malware Config
Signatures
- Executes dropped EXE 6 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in System32 directory 7 IoCs
- Drops file in Program Files directory 64 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_e986d20173cd869bb9c21c7441f5dc63_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_e986d20173cd869bb9c21c7441f5dc63_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exeC:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe1⤵
- Executes dropped EXE
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
- Executes dropped EXE
-
C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵
- Executes dropped EXE
-
C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"1⤵
- Executes dropped EXE
-
\??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
elevation_service.exe
maintenanceservice.exe
OSE.EXE
elevation_service.exe
DiagnosticsHub.StandardCollector.Service.exe
alg.exe
AppVClient.exe
memory/680-45-0x0000023447400000-0x000002344752F000-memory.dmp
memory/680-47-0x0000023447600000-0x0000023447666000-memory.dmp
memory/680-46-0x0000023447600000-0x0000023447666000-memory.dmp
memory/768-3-0x00007FF646E90000-0x00007FF64705B000-memory.dmp
memory/768-1-0x0000022E91A10000-0x0000022E91A76000-memory.dmp
memory/768-33-0x00007FF646E90000-0x00007FF64705B000-memory.dmp
memory/768-32-0x0000022E91A10000-0x0000022E91A76000-memory.dmp
memory/768-0-0x0000022E91A10000-0x0000022E91A76000-memory.dmp
memory/2332-65-0x000001EFB16A0000-0x000001EFB17CF000-memory.dmp
memory/2332-66-0x000001EFB1620000-0x000001EFB1686000-memory.dmp
memory/2332-67-0x000001EFB1620000-0x000001EFB1686000-memory.dmp
memory/3128-21-0x00007FF7A00E0000-0x00007FF7A01C7000-memory.dmp
memory/3128-22-0x000001E9A4330000-0x000001E9A4396000-memory.dmp
memory/3128-24-0x000001E9A4330000-0x000001E9A4396000-memory.dmp
memory/3128-76-0x00007FF7A00E0000-0x00007FF7A01C7000-memory.dmp
memory/3164-37-0x0000023847A70000-0x0000023847AD6000-memory.dmp
memory/3164-39-0x0000023847A70000-0x0000023847AD6000-memory.dmp
memory/3164-36-0x0000023847870000-0x000002384799F000-memory.dmp
memory/3856-13-0x0000021742E50000-0x0000021742EB6000-memory.dmp
memory/3856-11-0x0000021742E50000-0x0000021742EB6000-memory.dmp
memory/3856-71-0x00007FF6F7DA0000-0x00007FF6F7E87000-memory.dmp
memory/3856-10-0x00007FF6F7DA0000-0x00007FF6F7E87000-memory.dmp
memory/3856-79-0x0000021743330000-0x0000021743339000-memory.dmp
memory/4940-55-0x0000026FA34B0000-0x0000026FA3516000-memory.dmp
memory/4940-54-0x00007FF7A2F50000-0x00007FF7A30B8000-memory.dmp
memory/4940-60-0x0000026FA34B0000-0x0000026FA3516000-memory.dmp
memory/4940-62-0x00007FF7A2F50000-0x00007FF7A30B8000-memory.dmp
memory/4940-53-0x0000026FA34B0000-0x0000026FA3516000-memory.dmp