Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/04/2024, 15:27
Static task
static1
Behavioral task
behavioral1
Sample
54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe
Resource
win10v2004-20240419-en
General
-
Target
54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe
-
Size
4.2MB
-
MD5
5c513b5fb3f10e36287988f3524ae49c
-
SHA1
469f26bfd60768891c8249376daba9d8d19e044c
-
SHA256
54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13
-
SHA512
4394f93174db203077d60ead157a530afff7c3eebcfd571fad934b8f1876e30878c83cc07439a4ad78aba1c3405b8ea3315b5b8b0874f73c37ff62fa30987e3d
-
SSDEEP
98304:nGzsnCxKltbFvS+Z1vjUEQC5FD5MQIQIIS4sbbL48:nG4nxAoLumFD5/IIFsP
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4040-2-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/4040-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4040-51-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4040-52-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/5056-127-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-153-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-204-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-205-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-206-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-207-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-208-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-209-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-210-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-211-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-212-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-213-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-214-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/240-215-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4836 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 240 csrss.exe 1464 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe File created C:\Windows\rss\csrss.exe 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2208 4040 WerFault.exe 78 1284 5056 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1404 schtasks.exe 1948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 724 powershell.exe 724 powershell.exe 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 1816 powershell.exe 1816 powershell.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 1288 powershell.exe 1288 powershell.exe 4864 powershell.exe 4864 powershell.exe 3488 powershell.exe 3488 powershell.exe 2752 powershell.exe 2752 powershell.exe 220 powershell.exe 220 powershell.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 240 csrss.exe 240 csrss.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 240 csrss.exe 240 csrss.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe 1464 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 724 powershell.exe Token: SeDebugPrivilege 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Token: SeImpersonatePrivilege 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 3488 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeSystemEnvironmentPrivilege 240 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4040 wrote to memory of 724 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 80 PID 4040 wrote to memory of 724 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 80 PID 4040 wrote to memory of 724 4040 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 80 PID 5056 wrote to memory of 1816 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 89 PID 5056 wrote to memory of 1816 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 89 PID 5056 wrote to memory of 1816 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 89 PID 5056 wrote to memory of 1948 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 91 PID 5056 wrote to memory of 1948 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 91 PID 1948 wrote to memory of 4836 1948 cmd.exe 93 PID 1948 wrote to memory of 4836 1948 cmd.exe 93 PID 5056 wrote to memory of 1288 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 94 PID 5056 wrote to memory of 1288 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 94 PID 5056 wrote to memory of 1288 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 94 PID 5056 wrote to memory of 4864 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 96 PID 5056 wrote to memory of 4864 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 96 PID 5056 wrote to memory of 4864 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 96 PID 5056 wrote to memory of 240 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 98 PID 5056 wrote to memory of 240 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 98 PID 5056 wrote to memory of 240 5056 54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe 98 PID 240 wrote to memory of 3488 240 csrss.exe 101 PID 240 wrote to memory of 3488 240 csrss.exe 101 PID 240 wrote to memory of 3488 240 csrss.exe 101 PID 240 wrote to memory of 2752 240 csrss.exe 107 PID 240 wrote to memory of 2752 240 csrss.exe 107 PID 240 wrote to memory of 2752 240 csrss.exe 107 PID 240 wrote to memory of 220 240 csrss.exe 109 PID 240 wrote to memory of 220 240 csrss.exe 109 PID 240 wrote to memory of 220 240 csrss.exe 109 PID 240 wrote to memory of 1464 240 csrss.exe 111 PID 240 wrote to memory of 1464 240 csrss.exe 111 -
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:\Users\Admin\AppData\Local\Temp\54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe"C:\Users\Admin\AppData\Local\Temp\54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:724
-
-
C:\Users\Admin\AppData\Local\Temp\54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe"C:\Users\Admin\AppData\Local\Temp\54ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816
-
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4836
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4864
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3488
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1404
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3196
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1464
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1948
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 7243⤵
- Program crash
PID:1284
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 6602⤵
- Program crash
PID:2208
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 40401⤵PID:2912
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 5056 -ip 50561⤵PID:2064
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59bd5c608a459a5c3103dfd114a2955c7
SHA1796c9d610db7e2d5a86cac4200b6f0435a8abcb7
SHA256df8fee88daac1d8830c21b159ba14d1562d8a66d9ce8c5879bbd65475c7489a7
SHA5127164b737ce627aff062466b4587befee56132d89aed2bca01ed7b23c805c23468d968b8d3d660e7c0ebec0175b8e0d6ff62d6a2295123978a3b9edf576642f45
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5425386e793b4202b0a7744a58fe8a4e8
SHA1b12be1c468bc1955932845bcaa056d1791453bec
SHA256a758162f8943ad58ddb36e103fdf51938c5a66cc034b213e4663044782b140c8
SHA512e746319e9a2da798af6fc0cfc73d1dd694a27e04e16717f5da624f6c50b989ce68eb45b8e20e5f9e796a865f64062d962ab415c547565cff9680e726319ebaca
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578fc3d06f0b0d40aaf708916c1be3220
SHA153274d8dfd47f419e0341c92e342387840c581ff
SHA256f399bd83a4cda3d0e4824c0e19ece8df88889a34d42be5127c402077d3f3495d
SHA5120afa1d0368b5ee240f0409831847435a1ff8d2c6ca902bffc6f298ad12886c28db05d88907860edc01e960da356f1e8278ce5ede3e31d26b706db44da215368c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ceb50f886bb1867155de93e6c8f4bca5
SHA1a4a7df35e376db8a271393fc3288ef5eb54012c7
SHA2560f396377772848cf4dc5dea3f786d6fa077bcef914d3a8be4123d361148d9896
SHA51286aa86e42cdce29a1bc20d1664afcf6a51a0b817b25084b558af5d427ca0d96a9caac1c026a4261a5656994441cc7100920110287f3757f78bd6ec715cbbea3f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b253509a22bc1dbf707258088d8234c
SHA1ecd5e2a217af63f61a4105040a46f7aa22c5a875
SHA25687085466ed50fc7197a06901a8822cee6560a42ca1b0717e5c6d7a92b5434b94
SHA5129cd993c3f547d78d788ab8c9a39ea2c2cd5f66cf50cff2c6c95e3ca7f1994a69170137c3834403f4b8a36ae65164b3f765a79f75a43132e7f105fe2b25001f0c
-
Filesize
4.2MB
MD55c513b5fb3f10e36287988f3524ae49c
SHA1469f26bfd60768891c8249376daba9d8d19e044c
SHA25654ef254045e794e9ce4ccfc800e48c9a8fb9119a3b46d14c1a7a2edda34fdb13
SHA5124394f93174db203077d60ead157a530afff7c3eebcfd571fad934b8f1876e30878c83cc07439a4ad78aba1c3405b8ea3315b5b8b0874f73c37ff62fa30987e3d