Analysis
- max time kernel
152s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
29/11/2022, 03:39
Behavioral task
behavioral1
Sample
8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe
- Size 93KB
- Sample221129-d75dgabh75
- SHA256 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8
- MD5 708ab64c9685fb9d839fd9fa83d8036e
- SHA1 1f6eff0c197f4644469e433d7dda76a7de5c3226
- SHA512 6cf3e8665594d41ccfa2bc9575a653f813387a0dfa2f444257702b1323e7a93aa9924ea002ef43f675aa263d4daf3ae375e59010276d45804392f470edd0ee98
- SSDEEP 1536:AQmgBaA+Nd9fAxDMFgkzrUPar9FzCFXYnOFDNzd+JVx/9s8B5NH6sBQZ/ZJMBf/Q:A2B2NnfAxirzrzHXnGGJj+8xH6sBYZqI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe," 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe -
resource yara_rule behavioral2/memory/4952-134-0x0000000000400000-0x000000000042B000-memory.dmp upx behavioral2/memory/4952-139-0x0000000000400000-0x000000000042B000-memory.dmp upx - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sdra64.exe 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe File opened for modification C:\Windows\SysWOW64\sdra64.exe 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4952 set thread context of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4952 wrote to memory of 4596 4952 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 81 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3 PID 4596 wrote to memory of 592 4596 8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe 3
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:592
-
C:\Users\Admin\AppData\Local\Temp\8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe"C:\Users\Admin\AppData\Local\Temp\8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Users\Admin\AppData\Local\Temp\8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exeC:\Users\Admin\AppData\Local\Temp\8518070df656b6ba51b00e1fbf2317a855328b52f895ea047781eeb564f455d8.exe2⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596
-