Analysis
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max time kernel
150s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 09:54
Static task
static1
Behavioral task
behavioral1
Sample
01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe
Resource
win10v2004-20240508-en
General
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Target
01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe
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Size
4.1MB
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MD5
1f493ef21db9de35567a2f325ba5fac2
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SHA1
e16912651d3ba8ddbafdbee017b7e0a3f8ebefa8
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SHA256
01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2
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SHA512
24b34ab90b7569d0a31ebbb45c8550fc98b1957a154fb15432f5b4b3b490f80284952ee9bb98e47a4987f1394ef97246a6a54dcaf01d5ce225eddb65d9b32e7c
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5W:8r7OagDbOPW/F2k5tRZaLrE
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4188-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4188-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4048-45-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4188-72-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4048-167-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1776 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1568 csrss.exe 3892 injector.exe 820 windefender.exe 3392 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa36-202.dat upx behavioral2/memory/820-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3392-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/820-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3392-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3392-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 -
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 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe File created C:\Windows\rss\csrss.exe 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4120 sc.exe -
pid Process 2784 powershell.exe 4364 powershell.exe 3012 powershell.exe 4620 powershell.exe 1496 powershell.exe 1508 powershell.exe 3908 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1556 3908 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 544 schtasks.exe 2332 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-2002 = "Cabo Verde Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.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\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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 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 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,-211 = "Pacific Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.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\Certificates powershell.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\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-2842 = "Saratov Standard Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3908 powershell.exe 3908 powershell.exe 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 2784 powershell.exe 2784 powershell.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 4364 powershell.exe 4364 powershell.exe 3012 powershell.exe 3012 powershell.exe 4620 powershell.exe 4620 powershell.exe 1496 powershell.exe 1496 powershell.exe 1508 powershell.exe 1508 powershell.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 1568 csrss.exe 1568 csrss.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 1568 csrss.exe 1568 csrss.exe 3892 injector.exe 3892 injector.exe 1568 csrss.exe 1568 csrss.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Token: SeImpersonatePrivilege 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeSystemEnvironmentPrivilege 1568 csrss.exe Token: SeSecurityPrivilege 4120 sc.exe Token: SeSecurityPrivilege 4120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4188 wrote to memory of 3908 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 83 PID 4188 wrote to memory of 3908 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 83 PID 4188 wrote to memory of 3908 4188 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 83 PID 4048 wrote to memory of 2784 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 91 PID 4048 wrote to memory of 2784 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 91 PID 4048 wrote to memory of 2784 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 91 PID 4048 wrote to memory of 4076 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 93 PID 4048 wrote to memory of 4076 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 93 PID 4076 wrote to memory of 1776 4076 cmd.exe 95 PID 4076 wrote to memory of 1776 4076 cmd.exe 95 PID 4048 wrote to memory of 4364 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 96 PID 4048 wrote to memory of 4364 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 96 PID 4048 wrote to memory of 4364 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 96 PID 4048 wrote to memory of 3012 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 98 PID 4048 wrote to memory of 3012 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 98 PID 4048 wrote to memory of 3012 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 98 PID 4048 wrote to memory of 1568 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 100 PID 4048 wrote to memory of 1568 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 100 PID 4048 wrote to memory of 1568 4048 01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe 100 PID 1568 wrote to memory of 4620 1568 csrss.exe 101 PID 1568 wrote to memory of 4620 1568 csrss.exe 101 PID 1568 wrote to memory of 4620 1568 csrss.exe 101 PID 1568 wrote to memory of 1496 1568 csrss.exe 107 PID 1568 wrote to memory of 1496 1568 csrss.exe 107 PID 1568 wrote to memory of 1496 1568 csrss.exe 107 PID 1568 wrote to memory of 1508 1568 csrss.exe 109 PID 1568 wrote to memory of 1508 1568 csrss.exe 109 PID 1568 wrote to memory of 1508 1568 csrss.exe 109 PID 1568 wrote to memory of 3892 1568 csrss.exe 111 PID 1568 wrote to memory of 3892 1568 csrss.exe 111 PID 820 wrote to memory of 1776 820 windefender.exe 117 PID 820 wrote to memory of 1776 820 windefender.exe 117 PID 820 wrote to memory of 1776 820 windefender.exe 117 PID 1776 wrote to memory of 4120 1776 cmd.exe 118 PID 1776 wrote to memory of 4120 1776 cmd.exe 118 PID 1776 wrote to memory of 4120 1776 cmd.exe 118 -
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\01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe"C:\Users\Admin\AppData\Local\Temp\01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 24923⤵
- Program crash
PID:1556
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C:\Users\Admin\AppData\Local\Temp\01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.exe"C:\Users\Admin\AppData\Local\Temp\01ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2.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:4048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
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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:4076 -
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:1776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3012
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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:1568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4620
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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:544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
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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:3892
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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:2332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:820 -
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:1776 -
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:4120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3908 -ip 39081⤵PID:2572
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3392
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e17aa069c2f50e390056dea10613db2
SHA1a7524c5195ac0d058ca7c13e446ce093f5e4011d
SHA256cb1ca487d2e7fd553f7d6991672d1b1acc96558bd5ec4c03f8097e3e797dffc5
SHA5123f8a3541d353b3a354550f520ae8fd18c8d68fe8a11bdd7b92cf9b97c03c92fc7f40a739a432f6f09ea0361d6352be08add6adb35f4aed73130283953ed3eb1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec4dd0b707b60aa3ba5d5a92f664ef81
SHA1151921f40308e2a0e476d30ef6fe5de515606fde
SHA256d93470192cc1ee506240821494dd1fac0a4dd53baf012c55fb0274e75858c54d
SHA5124adb1bc7fc3b13024552fa4f89377658cfb10b0931094f80975d5a7ec46d85f424b83f49ed397d2828001a8b5d1821a151ec0d79713d212a4cb2baee379bcf27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55266a8ad52a4e61398a16bfc6dd9a5ef
SHA12b88ed61941e4ac1e9f7a37b4c734641e9a9ce66
SHA256f3d83fc9269c23635b44cac386cd089c708af3041125b4b0ba79b7d0afef44bb
SHA5124bd7728cd8344d9fef0582dce4abca0d6ddd106605e0ddeced1f368cf9f7897e1fc7c8a240716626c3ffd58b15ad64948e45b59dc490b157ebed5e344cd1d9fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be5105aa574c7f3253c7bc61e489e89c
SHA1d804bc754422ca94ae65bd484b0277972060b69e
SHA2560c217324a2bf7f7f4cfc590c0f63ea42a648a07d5a5fb7597041b21dccdb54e6
SHA512003a69af0415e2041caa5dea59976e6e8a4f3b53a8f9736db5e7a7abb1298e2164392c4c34134afa70960fb77502f553c9f296a41b1598190fb32ea47e96a9f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cf05c70159cb2927a699f01c574c0a4
SHA1f083ed11c25691818033a9a889e526c7907572f4
SHA256f8c75269a7dc26ae2f7a466e4c5458a7d8cd6062fa73f8238ca5767d7b3fcb4f
SHA5125b9659e1da14c40aedbafa7db367a9190be63db35f6c2154fc5f85794271938898e202da572cff3d153996a90f57d277656f3e0d609a2583468bcc583c13eae8
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Filesize
4.1MB
MD51f493ef21db9de35567a2f325ba5fac2
SHA1e16912651d3ba8ddbafdbee017b7e0a3f8ebefa8
SHA25601ac48ba3cb10c650f493710fd391044c01a5fb9d7c9b665178711e74128b4a2
SHA51224b34ab90b7569d0a31ebbb45c8550fc98b1957a154fb15432f5b4b3b490f80284952ee9bb98e47a4987f1394ef97246a6a54dcaf01d5ce225eddb65d9b32e7c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec