Analysis
- max time kernel
149s - max time network
157s - 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, 12:17
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 2384 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3054922120-1500138384-519748408-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\30B3CBAC = "C:\\Users\\Admin\\AppData\\Roaming\\30B3CBAC\\bin.exe" winver.exe -
resource yara_rule behavioral1/memory/2300-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral1/files/0x0007000000028536-19.dat upx behavioral1/memory/2384-21-0x0000000000400000-0x0000000000417000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3980 2192 WerFault.exe 84 - 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 tmpozfiif5t.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 2192 winver.exe 2192 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3496 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE Token: SeShutdownPrivilege 3496 Explorer.EXE Token: SeCreatePagefilePrivilege 3496 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2192 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2300 wrote to memory of 2192 2300 tmpozfiif5t.exe 84 PID 2192 wrote to memory of 3496 2192 winver.exe 57 PID 3496 wrote to memory of 4032 3496 Explorer.EXE PID 3496 wrote to memory of 4032 3496 Explorer.EXE PID 4032 wrote to memory of 2384 4032 Process not Found 86 PID 4032 wrote to memory of 2384 4032 Process not Found 86 PID 2192 wrote to memory of 3184 2192 winver.exe 52
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3184
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
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:2300 -
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:2192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 3884⤵
- Program crash
PID:3980
-
-
-
-
C:\Users\Admin\AppData\Roaming\30B3CBAC\bin.exeC:\Users\Admin\AppData\Roaming\30B3CBAC\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2384
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2192 -ip 21921⤵PID:5076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\30B3CBAC\bin.exe
- Size 34KB
- SHA256 ca65191e041217515d2b203e2407dcb1801b23fc3d266d8ff13db50193f0f2da
- MD5 75396692bf986268980ad533adae2f71
- SHA1 eeff18a8b914d3fba917dbf2332497c4774dfa89
- SHA512 84ea7eed2d96f7f496cc6ad57f290c417d00f843e8ee4f5d68f7dcaf2ab82478b1fb711e181cba45fbc096a8ded38e7a796b678ae21d784de2e9ab32065b313d
- SSDEEP 768:Vp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:VpYoX58z1uirL98xMWnT0OQ9Ji
- TLSH T1D2F2E1923B59F122E0E7DC3319B5682B9631C8659E5E4F7B1AC8A5299C703907C43B92
- MD5 SHA1 SHA512 SSDEEP TLSH