Analysis
- max time kernel
149s - max time network
141s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
09/06/2026, 00:22
Behavioral task
behavioral1
Sample
tmpxwkmipa7.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpxwkmipa7.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target tmpxwkmipa7.exe
- Size 160KB
- Sample260609-anz3vshw21
- SHA256 6a8a98aad7b06c8eb2fedb56c5426c77192cf5af3a1b463596c6a8c24c272dde
- MD5 fb8f8d6b6e14fa95d3e8f0c80669d03d
- SHA1 f5356eac207b43219c2109892539a9fad539ae30
- SHA512 e2fc885e8e56bc4f70c170abcc8f93a6c2a361ecd27cd75e54cd0c1e7c0e49011455dd47f938eaecb9e502f2ff5baa0f5cf50acbc50830ccff75bbb40c8afab7
- SSDEEP 1536:HEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:kY+4MiIkLZJNAQ9J6v
- TLSH T115F33922B3A5A41FF0B3ADBD2E3480154A27BD745C34D69A36C84E4E5A73DC39D21B13
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3624 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1108628292-2849104889-3743975892-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5E7A9451 = "C:\\Users\\Admin\\AppData\\Roaming\\5E7A9451\\bin.exe" winver.exe -
resource yara_rule behavioral1/memory/1212-0-0x0000000000400000-0x0000000000428000-memory.dmp upx behavioral1/memory/3624-22-0x0000000000400000-0x0000000000428000-memory.dmp upx behavioral1/files/0x0007000000028508-21.dat upx - Program crash 1 IoCs
pid pid_target Process procid_target 2996 2920 WerFault.exe 86 - 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 tmpxwkmipa7.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 2920 winver.exe 2920 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3396 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE Token: SeShutdownPrivilege 3396 Explorer.EXE Token: SeCreatePagefilePrivilege 3396 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2920 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1212 wrote to memory of 2920 1212 tmpxwkmipa7.exe 86 PID 2920 wrote to memory of 3396 2920 winver.exe 57 PID 3396 wrote to memory of 888 3396 Explorer.EXE PID 3396 wrote to memory of 888 3396 Explorer.EXE PID 888 wrote to memory of 3624 888 Process not Found 92 PID 888 wrote to memory of 3624 888 Process not Found 92 PID 2920 wrote to memory of 2124 2920 winver.exe 52
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2124
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Users\Admin\AppData\Local\Temp\tmpxwkmipa7.exe"C:\Users\Admin\AppData\Local\Temp\tmpxwkmipa7.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1212 -
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:2920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 3884⤵
- Program crash
PID:2996
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C:\Users\Admin\AppData\Roaming\5E7A9451\bin.exeC:\Users\Admin\AppData\Roaming\5E7A9451\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3624
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2920 -ip 29201⤵PID:4640
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\5E7A9451\bin.exe
- Size 160KB
- SHA256 869e46e7824e8566f8a5defd2225ce0497ece2c2550e8c58e0685bb3969cde1b
- MD5 935b728882dd49ae1d081dad361d43ce
- SHA1 2b940f2997c508154cc76a771c7f9bb7dac3d329
- SHA512 cd1a3508472d346e7031c7b393eff6548233f695f9465140b58b411d07432a1f69618ee649d9158de05404e2db76c6f3a13a239014ee14c6961df06c025b8a8e
- SSDEEP 1536:3EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:UY+4MiIkLZJNAQ9J6v
- TLSH T15EF33922B3A5A41FF0B3ADBD2E3480154A27BD745C34D69A36C84E5E5A73DC39D21B13
- MD5 SHA1 SHA512 SSDEEP TLSH