Analysis
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max time kernel
149s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:48
Static task
static1
Behavioral task
behavioral1
Sample
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe
Resource
win10v2004-20240508-en
General
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Target
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe
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Size
4.1MB
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MD5
5b38264cc680d5ad6624ef21f46b5b30
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SHA1
3c03d3a0baa47e81a43eda7433af0a0b4a15295a
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SHA256
28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb
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SHA512
54e2a771a6a3546cfb908952f11a804edbe6a89e5871e7be6263cd2efdb36a9803bd2faf240fd95e0e13d30852c0438ba5d0c0a4ac63cf78816e93c954d0b61e
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SSDEEP
98304:Ic7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPb:4X++d2b0aMbplZO0sFfSb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4648-2-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/4648-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4648-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4648-54-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4648-56-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/4584-130-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4584-137-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2588-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4512 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2588 csrss.exe 5080 injector.exe 636 windefender.exe 4092 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023449-224.dat upx behavioral1/memory/636-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4092-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4092-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4092-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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 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 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe File created C:\Windows\rss\csrss.exe 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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 3640 sc.exe -
pid Process 1956 powershell.exe 4592 powershell.exe 3600 powershell.exe 3268 powershell.exe 4448 powershell.exe 4512 powershell.exe 4560 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 4520 schtasks.exe 1636 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,-1911 = "Russia TZ 10 Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight 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" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4560 powershell.exe 4560 powershell.exe 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 1956 powershell.exe 1956 powershell.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 4592 powershell.exe 4592 powershell.exe 3600 powershell.exe 3600 powershell.exe 3268 powershell.exe 3268 powershell.exe 4448 powershell.exe 4448 powershell.exe 4512 powershell.exe 4512 powershell.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 2588 csrss.exe 2588 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 2588 csrss.exe 2588 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 2588 csrss.exe 2588 csrss.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe 5080 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Token: SeImpersonatePrivilege 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeSystemEnvironmentPrivilege 2588 csrss.exe Token: SeSecurityPrivilege 3640 sc.exe Token: SeSecurityPrivilege 3640 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4648 wrote to memory of 4560 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 85 PID 4648 wrote to memory of 4560 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 85 PID 4648 wrote to memory of 4560 4648 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 85 PID 4584 wrote to memory of 1956 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 4584 wrote to memory of 1956 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 4584 wrote to memory of 1956 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 96 PID 4584 wrote to memory of 4924 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 99 PID 4584 wrote to memory of 4924 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 99 PID 4924 wrote to memory of 4512 4924 cmd.exe 101 PID 4924 wrote to memory of 4512 4924 cmd.exe 101 PID 4584 wrote to memory of 4592 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 102 PID 4584 wrote to memory of 4592 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 102 PID 4584 wrote to memory of 4592 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 102 PID 4584 wrote to memory of 3600 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 104 PID 4584 wrote to memory of 3600 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 104 PID 4584 wrote to memory of 3600 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 104 PID 4584 wrote to memory of 2588 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 106 PID 4584 wrote to memory of 2588 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 106 PID 4584 wrote to memory of 2588 4584 28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe 106 PID 2588 wrote to memory of 3268 2588 csrss.exe 107 PID 2588 wrote to memory of 3268 2588 csrss.exe 107 PID 2588 wrote to memory of 3268 2588 csrss.exe 107 PID 2588 wrote to memory of 4448 2588 csrss.exe 113 PID 2588 wrote to memory of 4448 2588 csrss.exe 113 PID 2588 wrote to memory of 4448 2588 csrss.exe 113 PID 2588 wrote to memory of 4512 2588 csrss.exe 115 PID 2588 wrote to memory of 4512 2588 csrss.exe 115 PID 2588 wrote to memory of 4512 2588 csrss.exe 115 PID 2588 wrote to memory of 5080 2588 csrss.exe 118 PID 2588 wrote to memory of 5080 2588 csrss.exe 118 PID 636 wrote to memory of 64 636 windefender.exe 124 PID 636 wrote to memory of 64 636 windefender.exe 124 PID 636 wrote to memory of 64 636 windefender.exe 124 PID 64 wrote to memory of 3640 64 cmd.exe 125 PID 64 wrote to memory of 3640 64 cmd.exe 125 PID 64 wrote to memory of 3640 64 cmd.exe 125 -
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\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4560
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C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.exe"C:\Users\Admin\AppData\Local\Temp\28069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb.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:4584 -
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:1956
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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:4924 -
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:4512
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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:4592
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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:3600
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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:2588 -
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:3268
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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:4520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4480
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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:4448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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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:5080
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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:1636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:636 -
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:64 -
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:3640
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4092
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d75dd78b4dd3d2257e514cfa81b0512
SHA198ccfa4c8fb8c1df6848f9744b98d0ada3f0680c
SHA256f029a95c6f1d671c84b5bc4191bc2b7461eb863fc5f26224bc3935fe164d1812
SHA51200db2827fdddf1f355874a83a9bc465bf9085a505aaa44ace2bafa8c5227cbd3344d499e61563bd1f58d8c662760450c3728c079ba707f24bdcd7ed220dc312c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5138726b0d502699e5038c9c82093ae5a
SHA1830fc28d8372776fedcc61f9af1f9f6ad8714f87
SHA256c4939486baf15b6d59a06d8ebddc3344f6205670125f7d9de0a12ba337e0cf83
SHA51219a1b4a2d9a88650ddbf8c5c452eedf84beba6db261db03beff60f6d3f77a8d7a3f3b9e8b2bdebd091098254fe32d72e8ec1bfbda469305a403144cb5324a763
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef878f16326d2cb9501d41dd9a28c3e3
SHA13c2cbdbf227095621d83d92afb12dead7c7f2871
SHA256e558f8699717e3678597905bd9f3d74328b12a5e83b14211250aa9d9bbe910c6
SHA5125ebf7c7d753b5325cdc27775a596e55433f84c424c44c677bab3710aa5ece31ad880633c553f0022b84ead16f743e8fbce7f28a11f965dbb6dc524bade58370e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f3ea28dca399496385e6306488542d2
SHA1d7d942dcbf53b87343f917fdc559e3a6d53a38cb
SHA25635cf05c1ffa12548f4fa80af9d9c8045d4abc55b17c59a5c35e915de1a32eda0
SHA5128a4fabf8bd1aaa15664a5664016148af5c90cc30ba40f3004fc87f82fd75865769fb53d8dcdff95c0f927b277516bbb5b6acaa4937f00c829dbfa8fdedbe9f1a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8ab1c282fc0fcf385c2ce40b352a0f8
SHA1e93570586ddc1824958c89a982f514ecb81552aa
SHA256bf963571d412bba7fec5d0e079e2248e88cec5963668ddf2fd6a0086ab2d5157
SHA51262e671c705a4aad12e31a98776767890240ab06f3ecb5383843de1a10961b6e1b74b6ea7f1359812f4d5eede13e461e61128a1de14b74f2e456226095c4697ff
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Filesize
4.1MB
MD55b38264cc680d5ad6624ef21f46b5b30
SHA13c03d3a0baa47e81a43eda7433af0a0b4a15295a
SHA25628069c48971060b93dd760270a9a14e2844c8f70340c4af6ce57f04373640bbb
SHA51254e2a771a6a3546cfb908952f11a804edbe6a89e5871e7be6263cd2efdb36a9803bd2faf240fd95e0e13d30852c0438ba5d0c0a4ac63cf78816e93c954d0b61e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec