Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/06/2026, 23:30
Behavioral task
behavioral1
Sample
tmpbpi4pmly.exe
Resource
win10ltsc2021-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpbpi4pmly.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target tmpbpi4pmly.exe
- Size 110KB
- Sample260608-3hlx9sg18m
- SHA256 38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
- MD5 fe52f2d0bde65b46f3690d58dbf708c0
- SHA1 f613b369fdd56bf29908f6a9f854a201adf9309a
- SHA512 02545224f492bd2169dd91dd0d79a6460d5d62279f0b839fc85eb283df1e286d8284ea522ac604280d3eb7499390c6cd5a4418ef0f6ec6017e4b71c9ac149ed6
- SSDEEP 1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/ZrwWJjAqGcRJ2hw
- TLSH T11CB34B62F204E88BE817D8F69919CD3168A33DBD8890855E32D97F6D58B3AD30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5140 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2043432456-1617298091-2772621413-1000\Software\Microsoft\Windows\CurrentVersion\Run\1CC810C2 = "C:\\Users\\Admin\\AppData\\Roaming\\1CC810C2\\bin.exe" winver.exe -
resource yara_rule behavioral3/memory/2588-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral3/files/0x001900000002b4fd-19.dat upx behavioral3/memory/5140-21-0x0000000000400000-0x000000000041E000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 576 3968 WerFault.exe 81 - 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 bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmpbpi4pmly.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3968 winver.exe 3968 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3204 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE Token: SeShutdownPrivilege 3204 Explorer.EXE Token: SeCreatePagefilePrivilege 3204 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3968 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2588 wrote to memory of 3968 2588 tmpbpi4pmly.exe 81 PID 3968 wrote to memory of 3204 3968 winver.exe 54 PID 3204 wrote to memory of 428 3204 Explorer.EXE PID 3204 wrote to memory of 428 3204 Explorer.EXE PID 428 wrote to memory of 5140 428 Process not Found 83 PID 428 wrote to memory of 5140 428 Process not Found 83 PID 3968 wrote to memory of 2476 3968 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2476
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Users\Admin\AppData\Local\Temp\tmpbpi4pmly.exe"C:\Users\Admin\AppData\Local\Temp\tmpbpi4pmly.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2588 -
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:3968 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 3804⤵
- Program crash
PID:576
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C:\Users\Admin\AppData\Roaming\1CC810C2\bin.exeC:\Users\Admin\AppData\Roaming\1CC810C2\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5140
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3968 -ip 39681⤵PID:4684
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\1CC810C2\bin.exe
- Size 110KB
- SHA256 3c783c30f7f98443d37d16396d56527d84d697336ea4ed0385c77f1d6b25ecb3
- MD5 7011a2c2b1315c6b0744754037368928
- SHA1 f8c5c289153a8306898438d168dab779a8f8c256
- SHA512 dc92647eb23ac933be96db3e63821d5dd5c9f306339abeb4bb53e244421729dc09664c6bae8453efee061d66083b3d78778b7fe1a1788705acaaefb5c3295355
- SSDEEP 1536:AiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:AiyvRmDLs/ZrwWJjAqGcRJ2hw
- TLSH T10CB34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D97F6D58B3AE30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH