Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 00:59
Behavioral task
behavioral1
Sample
tmpec3m0ebs.exe
Resource
win10ltsc2021-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpec3m0ebs.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target tmpec3m0ebs.exe
- Size 45KB
- Sample260602-bcg9caas3y
- SHA256 dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd
- MD5 d936826cb874a0858a692ce6b6879567
- SHA1 a643ddcbac410cf671eaa637e0a663d1c9c8c4a2
- SHA512 cfeffc749ab14bd8dc82e9a880dd6568d555f1910cfd34f9ccee62fae0f7b91bf55fcd45c3fbca088767e4ea2c0b02f269d627f7999edb9992b8aa2f9f651c93
- SSDEEP 768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2v:RsWE9N5dFu53dsniQaB/xZ14n7zIF+qb
- TLSH T16D23F1DEEA177C6AF4B38E3D63030B354612AA3175AEE7571861D2DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\39CB9F56 = "C:\\Users\\Admin\\AppData\\Roaming\\39CB9F56\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4472-0-0x0000000000400000-0x000000000041D000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3836 392 WerFault.exe 90 - 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 tmpec3m0ebs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 392 winver.exe 392 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3272 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 392 winver.exe 3272 Explorer.EXE 3272 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3272 Explorer.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4472 wrote to memory of 392 4472 tmpec3m0ebs.exe 90 PID 392 wrote to memory of 3272 392 winver.exe 56 PID 3272 wrote to memory of 1636 3272 Explorer.EXE PID 3272 wrote to memory of 1636 3272 Explorer.EXE PID 392 wrote to memory of 2332 392 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2332
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\tmpec3m0ebs.exe"C:\Users\Admin\AppData\Local\Temp\tmpec3m0ebs.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 3524⤵
- Program crash
PID:3836
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 392 -ip 3921⤵PID:876