Analysis
- max time kernel
149s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 01:11
Behavioral task
behavioral1
Sample
tmp9kdljwty.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp9kdljwty.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target tmp9kdljwty.exe
- Size 110KB
- Sample260602-bj9beabx9m
- SHA256 5b1d02e67e0126a16f253d9e8b042ead444aa0951f515063075e43db677dc5e9
- MD5 e9c1aff2af6da28c1afcdbadc9665140
- SHA1 32debe07ba800de7eabe6f77f3f9c6df91755689
- SHA512 f2aedca5da5f83e27f6a9441a77cb9efca6271ed2dc6bc207a4fc2b40a53a09de4583c075bb39cdda9f4bc6fcb9d962d3361732d00bc2fa7c222ae9d82ca8e61
- SSDEEP 1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/ZrwWJjAqGcRJ2hw
- TLSH T104B34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D97F6D58B3AE30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3240 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000\Software\Microsoft\Windows\CurrentVersion\Run\73DD13BD = "C:\\Users\\Admin\\AppData\\Roaming\\73DD13BD\\bin.exe" winver.exe -
resource yara_rule behavioral3/memory/4488-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral3/files/0x001900000002b4f1-17.dat upx behavioral3/memory/3240-20-0x0000000000400000-0x000000000041E000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 1600 2872 WerFault.exe 82 - 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 tmp9kdljwty.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2872 winver.exe 2872 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3172 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2872 winver.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3172 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4488 wrote to memory of 2872 4488 tmp9kdljwty.exe 82 PID 2872 wrote to memory of 3172 2872 winver.exe 54 PID 3172 wrote to memory of 2372 3172 Explorer.EXE PID 3172 wrote to memory of 2372 3172 Explorer.EXE PID 2372 wrote to memory of 3240 2372 Process not Found 84 PID 2372 wrote to memory of 3240 2372 Process not Found 84 PID 2872 wrote to memory of 2244 2872 winver.exe 51 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2244
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\tmp9kdljwty.exe"C:\Users\Admin\AppData\Local\Temp\tmp9kdljwty.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488 -
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:2872 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 3804⤵
- Program crash
PID:1600
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C:\Users\Admin\AppData\Roaming\73DD13BD\bin.exeC:\Users\Admin\AppData\Roaming\73DD13BD\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3240
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2872 -ip 28721⤵PID:1716
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\73DD13BD\bin.exe
- Size 110KB
- SHA256 fa284f24d498ff7c201be4f3c0a2e6b71154849325f6a6eb2a853dd724c2fbc6
- MD5 42d4b87291a4a7604b7dd4a2109de705
- SHA1 885ea244e83a1a2223df48258eaf2f29da924ae7
- SHA512 36e1fbd98308bcb1233f9fb7016092c7b612f341cd59736bf1858eba5eea49e630a637848455be3f8d925b8cc81f3eb78b01e41ddbf3f74c17567c82fc9b4abc
- SSDEEP 1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:UiyvRmDLs/ZrwWJjAqGcRJ2hw
- TLSH T1F1B34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D97F6D58B3AE30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH