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
02/06/2026, 00:35
Behavioral task
behavioral1
Sample
tmpsro6ljjd.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpsro6ljjd.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target tmpsro6ljjd.exe
- Size 45KB
- Sample260602-axbfvsbt4r
- SHA256 13491e2f41eb5b62cb14894ceca9d8125ea1414238c2ee05a96eb4515b90643c
- MD5 ed20656481e19642db031231cbb3cf26
- SHA1 ccb42ebcdc9f19fab3239ddd1ac218d3c5922387
- SHA512 593278d8ea03025c504112ce8701bb213fbc9fbf781d396da1654b6943e127e4f6742692b82aa715449e3a7b21245f3b991abe8446544a490d4ba1cc204a03c3
- SSDEEP 768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:UsWE9N5dFu53dsniQaB/xZ14n7zIF+q7
- TLSH T18A23F1DEEA177C6AF4B38E3D63030B354612AA3175AEE7571861D2DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1928 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\90784D46 = "C:\\Users\\Admin\\AppData\\Roaming\\90784D46\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/1476-0-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/files/0x0002000000022cd1-21.dat upx behavioral2/memory/1928-23-0x0000000000400000-0x000000000041D000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 464 3368 WerFault.exe 89 - 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 tmpsro6ljjd.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 3368 winver.exe 3368 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3284 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE Token: SeShutdownPrivilege 3284 Explorer.EXE Token: SeCreatePagefilePrivilege 3284 Explorer.EXE - Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 3368 winver.exe 3284 Explorer.EXE 3284 Explorer.EXE 3284 Explorer.EXE 3284 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3284 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1476 wrote to memory of 3368 1476 tmpsro6ljjd.exe 89 PID 3368 wrote to memory of 3284 3368 winver.exe 56 PID 3284 wrote to memory of 936 3284 Explorer.EXE PID 3284 wrote to memory of 936 3284 Explorer.EXE PID 936 wrote to memory of 1928 936 Process not Found 93 PID 936 wrote to memory of 1928 936 Process not Found 93 PID 3368 wrote to memory of 3060 3368 winver.exe 50
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3060
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Users\Admin\AppData\Local\Temp\tmpsro6ljjd.exe"C:\Users\Admin\AppData\Local\Temp\tmpsro6ljjd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476 -
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:3368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 3564⤵
- Program crash
PID:464
-
-
-
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C:\Users\Admin\AppData\Roaming\90784D46\bin.exeC:\Users\Admin\AppData\Roaming\90784D46\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1928
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3368 -ip 33681⤵PID:548
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\90784D46\bin.exe
- Size 45KB
- SHA256 ab3e4f732759dceb20a0a543dcbc8b4ea48135e4a40b45067f9ea5aa6d7ec76a
- MD5 752b37f2f11be99d65649c628b6ef6e7
- SHA1 58218cbe6627491203308c09d26adc35af3f260b
- SHA512 087c1264e5234bff6f27a97b369ecd54e7312705724039985c4fd72c27f2c0ed8c3fa434b3240d02f48b74753315faed527b5def9699a606d0902c2d351c19e6
- SSDEEP 768:shP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:AsWE9N5dFu53dsniQaB/xZ14n7zIF+q7
- TLSH T12B23F1DEEA177C6AF4B38E3D63030B354612AA3175AEE7571861D2DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH