Analysis
- max time kernel
149s - max time network
147s - 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, 13:02
Behavioral task
behavioral1
Sample
tmpo8tghvc3.exe
Resource
win10ltsc2021-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpo8tghvc3.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target tmpo8tghvc3.exe
- Size 110KB
- Sample260522-p9tkjaes5s
- SHA256 32d6dc90d19cc1e3310cf247148474f79ce08f02ba0cdd357c754fc4a354f69e
- MD5 5717ea92d425efa97c91ca99e782ba00
- SHA1 8681a719c0c077fb3af6261082c59c9b318b014f
- SHA512 dc4e2a24f8c5987b61dd290175d707f370668786e052322fe2cb5c3514c75d7fd748a90e2a692b43ef40a5e809501ab1b5165d86e6960cf01a66fed4a6d1f50d
- SSDEEP 1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:OiyvRmDLs/ZrwWJjAqGcRJ2hA
- TLSH T1B5B34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D97F6D58B3AD30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1128 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\959AF453 = "C:\\Users\\Admin\\AppData\\Roaming\\959AF453\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4296-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x00080000000242da-21.dat upx behavioral2/memory/1128-24-0x0000000000400000-0x000000000041E000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3936 1836 WerFault.exe 87 - 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 tmpo8tghvc3.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 1836 winver.exe 1836 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3332 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3332 Explorer.EXE Token: SeCreatePagefilePrivilege 3332 Explorer.EXE Token: SeShutdownPrivilege 3332 Explorer.EXE Token: SeCreatePagefilePrivilege 3332 Explorer.EXE Token: SeShutdownPrivilege 3332 Explorer.EXE Token: SeCreatePagefilePrivilege 3332 Explorer.EXE Token: SeShutdownPrivilege 3332 Explorer.EXE Token: SeCreatePagefilePrivilege 3332 Explorer.EXE Token: SeShutdownPrivilege 3332 Explorer.EXE Token: SeCreatePagefilePrivilege 3332 Explorer.EXE - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1836 winver.exe 3332 Explorer.EXE 3332 Explorer.EXE 3332 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3332 Explorer.EXE 3332 Explorer.EXE 3332 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3332 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4296 wrote to memory of 1836 4296 tmpo8tghvc3.exe 87 PID 1836 wrote to memory of 3332 1836 winver.exe 56 PID 3332 wrote to memory of 3572 3332 Explorer.EXE PID 3332 wrote to memory of 3572 3332 Explorer.EXE PID 3572 wrote to memory of 1128 3572 Process not Found 94 PID 3572 wrote to memory of 1128 3572 Process not Found 94 PID 1836 wrote to memory of 2808 1836 winver.exe 47
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2808
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Users\Admin\AppData\Local\Temp\tmpo8tghvc3.exe"C:\Users\Admin\AppData\Local\Temp\tmpo8tghvc3.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296 -
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:1836 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 3524⤵
- Program crash
PID:3936
-
-
-
-
C:\Users\Admin\AppData\Roaming\959AF453\bin.exeC:\Users\Admin\AppData\Roaming\959AF453\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1128
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1836 -ip 18361⤵PID:208
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\959AF453\bin.exe
- Size 110KB
- SHA256 c8622fff3bc26bee34dce9baffb41bb8c7fe31d6118bd772ffba0979a3abd01f
- MD5 b826841ffb2ccbd79153d5eec84c8cf3
- SHA1 4bf08878fe672a5175c2b8737fabbc50182c1450
- SHA512 bc32989d00b4d94a6ef1faf3544a5c4d6f5d2310c419e8ad594e9e4cadb2453524300f4df1ca88143b52d95ea04ba3b3d4ab32d9a1e01ef949531b5236a2ac57
- SSDEEP 1536:niLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:niyvRmDLs/ZrwWJjAqGcRJ2hA
- TLSH T1DDB34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D97F6D58B3AD30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH