Analysis
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max time kernel
150s -
max time network
135s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe
Resource
win10v2004-20240426-en
General
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Target
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe
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Size
4.1MB
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MD5
552ff26915acd17aee9b2656174a416d
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SHA1
41f2af95f8c6d246a45195ab0a8595b6854329d2
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SHA256
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f
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SHA512
65bb0e138be1b68fb332aa06e643c561c0615fc45df8c3b99d7e686731a6b9810b795d93d9327714fae50b85b10e03aa7826defa13162a42de1e3fd5be512efa
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SSDEEP
98304:DlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzO:Z7B3j0rWdEQQ059Cfd4xbkE91Kma
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2340-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/2340-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2340-24-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2340-53-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/2340-52-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2340-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1356-112-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1356-127-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-152-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-205-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-218-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-224-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-227-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2152-236-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2152 csrss.exe 4608 injector.exe 3152 windefender.exe 1920 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa27-209.dat upx behavioral2/memory/3152-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3152-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1920-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1920-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1920-232-0x0000000000400000-0x00000000008DF000-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\"" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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 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 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe File created C:\Windows\rss\csrss.exe f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification 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 4628 sc.exe -
pid Process 248 powershell.exe 2168 powershell.exe 4940 powershell.exe 4964 powershell.exe 3632 powershell.exe 4908 powershell.exe 2456 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2332 schtasks.exe 4852 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,-791 = "SA Western Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.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,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight 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,-722 = "Central Pacific Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4908 powershell.exe 4908 powershell.exe 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 2456 powershell.exe 2456 powershell.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 248 powershell.exe 248 powershell.exe 2168 powershell.exe 2168 powershell.exe 4940 powershell.exe 4940 powershell.exe 4964 powershell.exe 4964 powershell.exe 3632 powershell.exe 3632 powershell.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 2152 csrss.exe 2152 csrss.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 2152 csrss.exe 2152 csrss.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 2152 csrss.exe 2152 csrss.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe 4608 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Token: SeImpersonatePrivilege 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 248 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeSystemEnvironmentPrivilege 2152 csrss.exe Token: SeSecurityPrivilege 4628 sc.exe Token: SeSecurityPrivilege 4628 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2340 wrote to memory of 4908 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 79 PID 2340 wrote to memory of 4908 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 79 PID 2340 wrote to memory of 4908 2340 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 79 PID 1356 wrote to memory of 2456 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 84 PID 1356 wrote to memory of 2456 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 84 PID 1356 wrote to memory of 2456 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 84 PID 1356 wrote to memory of 3664 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 86 PID 1356 wrote to memory of 3664 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 86 PID 3664 wrote to memory of 1332 3664 cmd.exe 88 PID 3664 wrote to memory of 1332 3664 cmd.exe 88 PID 1356 wrote to memory of 248 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 89 PID 1356 wrote to memory of 248 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 89 PID 1356 wrote to memory of 248 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 89 PID 1356 wrote to memory of 2168 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 91 PID 1356 wrote to memory of 2168 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 91 PID 1356 wrote to memory of 2168 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 91 PID 1356 wrote to memory of 2152 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 1356 wrote to memory of 2152 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 1356 wrote to memory of 2152 1356 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 2152 wrote to memory of 4940 2152 csrss.exe 94 PID 2152 wrote to memory of 4940 2152 csrss.exe 94 PID 2152 wrote to memory of 4940 2152 csrss.exe 94 PID 2152 wrote to memory of 4964 2152 csrss.exe 100 PID 2152 wrote to memory of 4964 2152 csrss.exe 100 PID 2152 wrote to memory of 4964 2152 csrss.exe 100 PID 2152 wrote to memory of 3632 2152 csrss.exe 102 PID 2152 wrote to memory of 3632 2152 csrss.exe 102 PID 2152 wrote to memory of 3632 2152 csrss.exe 102 PID 2152 wrote to memory of 4608 2152 csrss.exe 104 PID 2152 wrote to memory of 4608 2152 csrss.exe 104 PID 3152 wrote to memory of 4296 3152 windefender.exe 110 PID 3152 wrote to memory of 4296 3152 windefender.exe 110 PID 3152 wrote to memory of 4296 3152 windefender.exe 110 PID 4296 wrote to memory of 4628 4296 cmd.exe 111 PID 4296 wrote to memory of 4628 4296 cmd.exe 111 PID 4296 wrote to memory of 4628 4296 cmd.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
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C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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:1356 -
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:2456
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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:3664 -
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:1332
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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:248
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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:2168
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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:2152 -
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:4940
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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:4852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2812
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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:4964
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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:3632
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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:4608
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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:3152 -
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:4296 -
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:4628
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1920
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557f0d661fcbce2071260a4a12ad1bacc
SHA1bc71d89c8f35a8b30e982b875f082df4e3872a86
SHA2560b5b33f3eac28b46d95d55256d2637b902cc904b123d08b3cec713718092e240
SHA51218edffc913cf873ce829b4e8a1f493d7ab5b34c885f342433f147235db555be55996f5984c94f5b47b4fc44fbcd4ca9d55d5ebdc525a3bf10010a7e9de319a8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5383ff15cbb2fdfa76b439787baa7a194
SHA127b67b93bd552d64189686858d98e14a9eec3fad
SHA256c91ca1622bd47b1504c2d1c2c55d3e1ef20866527e2f820b38bcdb5632f48cb7
SHA512edc1491f51cd000bc86024dcb0d77d026106786b3ffb02fa51dec6934ffc969c4193eb1009ab526cc579c41e14d68526a618a9f366e088d57588dedcf3f6dace
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e54ab2d8af2d1db636bbbfe84c6728ba
SHA166a254e402d2d3f2b26e2ab15d6e08ea82ee3629
SHA256b63bdfee1f0d0a239411b008c037c8c194bbd47f00063afaba227dea70a8102e
SHA5128ddb11480740581697eade34ebdeb628163a5cd2d917b649f0a8440d4edee2b6a2d3cbc988b830188791734a2e1d4d880c372fa22f94865d02d9e66cffdde9f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560ec477f4651969dfe06ad19a69e4713
SHA149d839a4794c9cc742b275cde39b74cacf3cde5d
SHA256d6c077cb230db720c4146fdecbcf118fde5aea79b6f2ac564f7f4a40ce7a6bfe
SHA51230b97748cfb6e3354fb655fe832bf9907afcf36d2039cb9d1d7bbf7352591024419cff127781a91d550b360b0675f55c6b3fb773acff93b658f60ec520e439d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb064d48f3b19f451a7c58ad4f75f2ea
SHA16ffd735231c1808f53cc2b908f4bf657243d31bf
SHA256f8444a378d89a68ff70b74ad0dec3ab00e7a0ca5e1aa9a9f01e4cf416c59b086
SHA5124ad1370e35a974112df19f88fe7576bd6ab2c2729aa0ad0f58cad22b77be3aaf59ff2e40082e4ed7a3d683aa3e562d962e856781ae55e9a8fb9305bf8f335e5f
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Filesize
4.1MB
MD5552ff26915acd17aee9b2656174a416d
SHA141f2af95f8c6d246a45195ab0a8595b6854329d2
SHA256f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f
SHA51265bb0e138be1b68fb332aa06e643c561c0615fc45df8c3b99d7e686731a6b9810b795d93d9327714fae50b85b10e03aa7826defa13162a42de1e3fd5be512efa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec