Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe
Resource
win10v2004-20240412-en
General
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Target
52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe
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Size
4.2MB
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MD5
d809dd868159a87d2ca8c45960ca9c2d
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SHA1
23f225b65d87f8fd30dcd4daec1a6ee8b54693b4
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SHA256
52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe
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SHA512
fddf88e3d40246c0229e42b77fc484d8c87d6758b543db2108698750899c15cb81308d0b7ce6c4ed949116ef293e77d071ce1e095a8dc36944534665ac6613dc
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SSDEEP
98304:500QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGD:7pJcNpX++PyaASVpB6kW
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1256-2-0x0000000003FF0000-0x00000000048DB000-memory.dmp family_glupteba behavioral1/memory/1256-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4784-56-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/1256-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4784-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4784-156-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4300-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1400 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4300 csrss.exe 1616 injector.exe 1848 windefender.exe 2472 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002340e-262.dat upx behavioral1/memory/1848-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2472-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2472-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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.
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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 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 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 -
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 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3364 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4776 1256 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3080 schtasks.exe 2608 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.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\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2476 powershell.exe 2476 powershell.exe 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4568 powershell.exe 4568 powershell.exe 4568 powershell.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 1688 powershell.exe 1688 powershell.exe 1688 powershell.exe 2432 powershell.exe 2432 powershell.exe 2432 powershell.exe 2788 powershell.exe 2788 powershell.exe 2788 powershell.exe 2368 powershell.exe 2368 powershell.exe 2368 powershell.exe 2224 powershell.exe 2224 powershell.exe 2224 powershell.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4300 csrss.exe 4300 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4300 csrss.exe 4300 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4300 csrss.exe 4300 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Token: SeImpersonatePrivilege 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 1688 powershell.exe Token: SeDebugPrivilege 2432 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeSystemEnvironmentPrivilege 4300 csrss.exe Token: SeSecurityPrivilege 3364 sc.exe Token: SeSecurityPrivilege 3364 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1256 wrote to memory of 2476 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 88 PID 1256 wrote to memory of 2476 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 88 PID 1256 wrote to memory of 2476 1256 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 88 PID 4784 wrote to memory of 4568 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 98 PID 4784 wrote to memory of 4568 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 98 PID 4784 wrote to memory of 4568 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 98 PID 4784 wrote to memory of 3524 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 101 PID 4784 wrote to memory of 3524 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 101 PID 3524 wrote to memory of 1400 3524 cmd.exe 103 PID 3524 wrote to memory of 1400 3524 cmd.exe 103 PID 4784 wrote to memory of 1688 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 104 PID 4784 wrote to memory of 1688 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 104 PID 4784 wrote to memory of 1688 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 104 PID 4784 wrote to memory of 2432 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 107 PID 4784 wrote to memory of 2432 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 107 PID 4784 wrote to memory of 2432 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 107 PID 4784 wrote to memory of 4300 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 110 PID 4784 wrote to memory of 4300 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 110 PID 4784 wrote to memory of 4300 4784 52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe 110 PID 4300 wrote to memory of 2788 4300 csrss.exe 111 PID 4300 wrote to memory of 2788 4300 csrss.exe 111 PID 4300 wrote to memory of 2788 4300 csrss.exe 111 PID 4300 wrote to memory of 2368 4300 csrss.exe 117 PID 4300 wrote to memory of 2368 4300 csrss.exe 117 PID 4300 wrote to memory of 2368 4300 csrss.exe 117 PID 4300 wrote to memory of 2224 4300 csrss.exe 119 PID 4300 wrote to memory of 2224 4300 csrss.exe 119 PID 4300 wrote to memory of 2224 4300 csrss.exe 119 PID 4300 wrote to memory of 1616 4300 csrss.exe 121 PID 4300 wrote to memory of 1616 4300 csrss.exe 121 PID 1848 wrote to memory of 4464 1848 windefender.exe 128 PID 1848 wrote to memory of 4464 1848 windefender.exe 128 PID 1848 wrote to memory of 4464 1848 windefender.exe 128 PID 4464 wrote to memory of 3364 4464 cmd.exe 129 PID 4464 wrote to memory of 3364 4464 cmd.exe 129 PID 4464 wrote to memory of 3364 4464 cmd.exe 129 -
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
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C:\Users\Admin\AppData\Local\Temp\52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe"C:\Users\Admin\AppData\Local\Temp\52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2476
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C:\Users\Admin\AppData\Local\Temp\52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.exe"C:\Users\Admin\AppData\Local\Temp\52bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe.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:4784 -
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:4568
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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:3524 -
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:1400
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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:1688
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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:2432
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300 -
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:2788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3080
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4448
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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:2368
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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:2224
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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:1616
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2608
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 8842⤵
- Program crash
PID:4776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1256 -ip 12561⤵PID:1912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2472
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561e9f1d9168a85689ca0c16f7ac15bac
SHA1d12dd2b4c221617b8d3b629a8728981b552791b2
SHA256047f6dc764aa9b1aadd52225e05454bb6107da24b0e968ed080e9ab6d5c6ff73
SHA51265fb0b7e8f75525300b8a1c47eb5a07bc8dbcab7d8d09b1423c86148a75ef2262188bcadfb91192fa2033c9afc92e9b946a4cb9f23ec31f285e1a0e076d2e8af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d0467bba08ae0b686bcc1870cda90f0
SHA1d1c0de26f6aa2e9bb1f9087771265b03c4f338c3
SHA256aa5ec3c8499eeaa8c7247edc98cb85355f864fbe3150ef972f3e6d297d7838dd
SHA51265f4c13bfe95668d64f17fec75118e1a447cd556a8ecc6b708ddffa0bfb0dec16dce7f3bd83d4e0ea62d713e7f9c90361a0d8f8bdf05351bbb14afdb84999f59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539b8a280d3312a5a21327008d9a88425
SHA18c498849d4174ce140af802f5be7a4ec990df69c
SHA256bcaf36511464c397e17cf2f4c1e44fd1a8521b4381057d4e61bc5375c0247e03
SHA512b1a73e5b8395357d33c5677baad430ef0779b39f43d149198f8c271cf011606e3e45aad8e61be928902c29e62d5a5cf81a4149a1d78d3d3e911ddaec331ffac9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f5e608749639b915f950c082c2c324e
SHA1786f3af67815f7637f55f4af4b7d0311972a4a86
SHA256c1606d92f8b3aacd1928737b2832edeb8e8ce53e0ccd1bc2ee3da6c8f14b43df
SHA5126985cec7e1710f9fe74a072ef09ddcc4a1ea1b4bea97949eeaa16be0d0f8d564abaec805e699a836d4addd59b80b196d7b3ea0b82727d4e5cd1a743802bb5b3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9bcfb00a0f1e1104a864f87797dcf5a
SHA11aed0ca625931365ba55811514f8f22bf4f94d39
SHA256c52bec186f804dce5f1eb0b24c1377991caad92d4fe2de25bfc05d1c9aeacce5
SHA5128389bf6bf3bc0814e47a28b06ea3fe00e71891b00e4a82d2285600b8f02caa75c6a7463051f296e4bccb4cde46486b32e0c127b324e75f1da29101caefb0dbbd
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Filesize
4.2MB
MD5d809dd868159a87d2ca8c45960ca9c2d
SHA123f225b65d87f8fd30dcd4daec1a6ee8b54693b4
SHA25652bc3b802cfdb6fd6aa22731f69d3262df8fecddfe59593a338b6cf9cf56cafe
SHA512fddf88e3d40246c0229e42b77fc484d8c87d6758b543db2108698750899c15cb81308d0b7ce6c4ed949116ef293e77d071ce1e095a8dc36944534665ac6613dc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec