Analysis
- max time kernel
149s - max time network
151s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
22/05/2026, 12:20
Behavioral task
behavioral1
Sample
tmps3lvkr_x.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmps3lvkr_x.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target tmps3lvkr_x.exe
- Size 45KB
- Sample260522-phv92sdt5w
- SHA256 d75216d6201edc170f5bfa9821d4a9e56080d46d04e31a1a9cb74ced59ade32f
- MD5 9e8ae696627fb91a8225a88fd6963240
- SHA1 6c991e5dd8cf44996c25ecd7bd1be4c139911fc7
- SHA512 1b5e20224d0b7aeb9802e4f68c5ecf8b58dfd1147956e025f395c453647c4ec1d87616829a1ce066fa97ab5c49516bc758320aa20dce413016100759a218ed4d
- SSDEEP 768:ThP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:FsWE9N5dFu53dsniQaB/xZ14n7zIF+qj
- TLSH T1AD23F1DEFA177C6AF4B38E3D63030B354612AA3175AEE757186192DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3212 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-42486406-2033776002-1658862356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0F61770D = "C:\\Users\\Admin\\AppData\\Roaming\\0F61770D\\bin.exe" winver.exe -
resource yara_rule behavioral1/memory/4752-0-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral1/files/0x0007000000028625-21.dat upx behavioral1/memory/3212-23-0x0000000000400000-0x000000000041D000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3584 4556 WerFault.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 3 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 tmps3lvkr_x.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4556 winver.exe 4556 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3352 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE Token: SeShutdownPrivilege 3352 Explorer.EXE Token: SeCreatePagefilePrivilege 3352 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4556 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4752 wrote to memory of 4556 4752 tmps3lvkr_x.exe 83 PID 4556 wrote to memory of 3352 4556 winver.exe 56 PID 3352 wrote to memory of 772 3352 Explorer.EXE PID 3352 wrote to memory of 772 3352 Explorer.EXE PID 772 wrote to memory of 3212 772 Process not Found 85 PID 772 wrote to memory of 3212 772 Process not Found 85 PID 4556 wrote to memory of 2992 4556 winver.exe 52
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2992
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Users\Admin\AppData\Local\Temp\tmps3lvkr_x.exe"C:\Users\Admin\AppData\Local\Temp\tmps3lvkr_x.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752 -
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:4556 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 3884⤵
- Program crash
PID:3584
-
-
-
-
C:\Users\Admin\AppData\Roaming\0F61770D\bin.exeC:\Users\Admin\AppData\Roaming\0F61770D\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3212
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4556 -ip 45561⤵PID:3576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\0F61770D\bin.exe
- Size 45KB
- SHA256 6bfadbc6d2b4954825e2371ad37622f09d218ca1bbbf7b8bf23b90c2be4acc6c
- MD5 7df61b1f0b1d939e128afc4898dad450
- SHA1 f27b5b9f8589055390df226914758ad16659a02f
- SHA512 0b2fe24b3d8cbf01ec161260d6ebf8a7202248ede51806c4d9fef8ff83b759358ecf83ab0fcc560c9814ea3e701a312427385669a023466e387f3391ce3c8290
- SSDEEP 768:ShP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:esWE9N5dFu53dsniQaB/xZ14n7zIF+qj
- TLSH T13D23F1DEFA177C6AF4B38E3D63030B354612AA3175AEE757186192DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH