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
22/05/2026, 12:17
Behavioral task
behavioral1
Sample
tmpozfiif5t.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpozfiif5t.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target tmpozfiif5t.exe
- Size 34KB
- Sample260522-pf7kasds6v
- SHA256 b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2
- MD5 449922afcb0756fa3897cbc268c3a8a0
- SHA1 7fac321ca3f96952c3ec6e6a50cce0f06cb63ae4
- SHA512 81f69cd7e3bdc75156efa19bf4906baa103b260e5da0559cd3efdb26205612dd976ea62d81daed8d13256c74bafe543ed9c83e10619a3d8ecef9fa55c1173f74
- SSDEEP 768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:MpYoX58z1uirL98xMWnT0OQ9Ji
- TLSH T16AF2E1923B59E122E0E7DC3319B5682B9632C8659E5E4F7B1AC8A5299C703907C43B92
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3496 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\395E9765 = "C:\\Users\\Admin\\AppData\\Roaming\\395E9765\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4724-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x00080000000245e8-22.dat upx behavioral2/memory/3496-21-0x0000000000400000-0x0000000000417000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 4700 60 WerFault.exe 90 - 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 winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmpozfiif5t.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 60 winver.exe 60 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3212 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE Token: SeShutdownPrivilege 3212 Explorer.EXE Token: SeCreatePagefilePrivilege 3212 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 60 winver.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3212 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4724 wrote to memory of 60 4724 tmpozfiif5t.exe 90 PID 60 wrote to memory of 3212 60 winver.exe 55 PID 3212 wrote to memory of 4580 3212 Explorer.EXE PID 3212 wrote to memory of 4580 3212 Explorer.EXE PID 4580 wrote to memory of 3496 4580 Process not Found 93 PID 4580 wrote to memory of 3496 4580 Process not Found 93 PID 60 wrote to memory of 3044 60 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3044
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Users\Admin\AppData\Local\Temp\tmpozfiif5t.exe"C:\Users\Admin\AppData\Local\Temp\tmpozfiif5t.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4724 -
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:60 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 3524⤵
- Program crash
PID:4700
-
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C:\Users\Admin\AppData\Roaming\395E9765\bin.exeC:\Users\Admin\AppData\Roaming\395E9765\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3496
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 60 -ip 601⤵PID:3516
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\395E9765\bin.exe
- Size 34KB
- SHA256 c472bbf975d5fdea1dde071683d3d7d1dd78d2203b9b38207fc8b17755b47ab0
- MD5 472cf1179f608b9a06ef497041828dd7
- SHA1 727cb7f6056a76561c413136a1a4e7c8ef198230
- SHA512 4fdd7eb559916180a2e875b2ab1627a73c95e7f0951cfcd919b82ed765385a4f9e9974e9be7ec9ba9b744dd87309bbe52f723374602256a6538158e9d2a90fa7
- SSDEEP 768:Yp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:YpYoX58z1uirL98xMWnT0OQ9Ji
- TLSH T1F0F2E1923B59E122E0E7DC3319F5682B9631C8659E5E4F7B1AC8A5299C703907C43B92
- MD5 SHA1 SHA512 SSDEEP TLSH