Analysis
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max time kernel
149s -
max time network
153s -
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, 15:49
Static task
static1
Behavioral task
behavioral1
Sample
e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe
Resource
win10v2004-20240508-en
General
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Target
e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe
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Size
4.1MB
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MD5
70438379455039ae71058944b99da5fb
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SHA1
decfb0a2434bbab04d87667d8bb72ffa95e59340
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SHA256
e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695
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SHA512
0adcfcbc143b52fda0de975dd8b0b9c30a4dbd44049f4c0c47d6c4ae734d63c01f7b344a5443ec09b519d9600b768a7c9ec774b4f660b79e0cc5207475365373
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SSDEEP
98304:M3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59XU:MdQIuMQA9oQJ/gXDL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4264-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4264-97-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4264-99-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/2940-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3744-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3744 csrss.exe 2988 injector.exe 5020 windefender.exe 3460 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e2-203.dat upx behavioral2/memory/5020-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5020-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe File created C:\Windows\rss\csrss.exe e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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 4008 sc.exe -
pid Process 3096 powershell.exe 4464 powershell.exe 548 powershell.exe 1112 powershell.exe 232 powershell.exe 5040 powershell.exe 1812 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 2832 schtasks.exe 4528 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,-512 = "Central Asia Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan 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" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai 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" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4464 powershell.exe 4464 powershell.exe 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 548 powershell.exe 548 powershell.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 1112 powershell.exe 1112 powershell.exe 232 powershell.exe 232 powershell.exe 5040 powershell.exe 5040 powershell.exe 1812 powershell.exe 1812 powershell.exe 3096 powershell.exe 3096 powershell.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 3744 csrss.exe 3744 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 3744 csrss.exe 3744 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 3744 csrss.exe 3744 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Token: SeImpersonatePrivilege 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeSystemEnvironmentPrivilege 3744 csrss.exe Token: SeSecurityPrivilege 4008 sc.exe Token: SeSecurityPrivilege 4008 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4264 wrote to memory of 4464 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 81 PID 4264 wrote to memory of 4464 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 81 PID 4264 wrote to memory of 4464 4264 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 81 PID 2940 wrote to memory of 548 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 86 PID 2940 wrote to memory of 548 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 86 PID 2940 wrote to memory of 548 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 86 PID 2940 wrote to memory of 3536 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 88 PID 2940 wrote to memory of 3536 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 88 PID 3536 wrote to memory of 2476 3536 cmd.exe 90 PID 3536 wrote to memory of 2476 3536 cmd.exe 90 PID 2940 wrote to memory of 1112 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 91 PID 2940 wrote to memory of 1112 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 91 PID 2940 wrote to memory of 1112 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 91 PID 2940 wrote to memory of 232 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 93 PID 2940 wrote to memory of 232 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 93 PID 2940 wrote to memory of 232 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 93 PID 2940 wrote to memory of 3744 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 95 PID 2940 wrote to memory of 3744 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 95 PID 2940 wrote to memory of 3744 2940 e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe 95 PID 3744 wrote to memory of 5040 3744 csrss.exe 96 PID 3744 wrote to memory of 5040 3744 csrss.exe 96 PID 3744 wrote to memory of 5040 3744 csrss.exe 96 PID 3744 wrote to memory of 1812 3744 csrss.exe 102 PID 3744 wrote to memory of 1812 3744 csrss.exe 102 PID 3744 wrote to memory of 1812 3744 csrss.exe 102 PID 3744 wrote to memory of 3096 3744 csrss.exe 104 PID 3744 wrote to memory of 3096 3744 csrss.exe 104 PID 3744 wrote to memory of 3096 3744 csrss.exe 104 PID 3744 wrote to memory of 2988 3744 csrss.exe 106 PID 3744 wrote to memory of 2988 3744 csrss.exe 106 PID 5020 wrote to memory of 4952 5020 windefender.exe 112 PID 5020 wrote to memory of 4952 5020 windefender.exe 112 PID 5020 wrote to memory of 4952 5020 windefender.exe 112 PID 4952 wrote to memory of 4008 4952 cmd.exe 113 PID 4952 wrote to memory of 4008 4952 cmd.exe 113 PID 4952 wrote to memory of 4008 4952 cmd.exe 113 -
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\e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe"C:\Users\Admin\AppData\Local\Temp\e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4464
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C:\Users\Admin\AppData\Local\Temp\e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.exe"C:\Users\Admin\AppData\Local\Temp\e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695.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:2940 -
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:548
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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:3536 -
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:2476
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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:1112
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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:232
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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:3744 -
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:5040
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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:2832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3512
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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:1812
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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:3096
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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:2988
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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:4528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5020 -
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:4952 -
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:4008
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3460
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
MD5357e596c9695bacbcc779bda629b4c9b
SHA1e1a745d9b7dcd026481c9f60da2954789bfd6b8d
SHA256b5d77ae6e7c9c14a303b4bdc3038b4483220fb77d15488c50a4aeadf0e68031c
SHA51283920b3050895fcdef9029b0fad4edcfc3ced8a0c549ccf8b5227c69db7679a35f1227c6e9328fefd33fa4a8505167ffe328848647a70753beeabcb10070af16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58528d2f1a3a3da11a47c0d4dcf25a769
SHA15011bb046c3bd2e945d8b13618ea28767f6deef3
SHA25668083bbd5114f967a6c166b142d122313bf846b4aa4be2b875f84c0454541718
SHA5120ecbfc68a94e2944854b322f2c7a35d2c96630dc0bac56d8c4fa4ba9d1b696560268cf0a92687fc276afddc44523c08770b2a501ed7a4c6daba226ce17affe6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae12ea84ad7262830de6178fefd8aacc
SHA14609634999916dec9049dc7e23f71bef54bffc0a
SHA256bb11d292a9737fb0b96ba2cd5092bdb575f368b9feaba246ffad20536f0996cd
SHA5121f90e7c7c2b5fe489fdbb28943b90d2bbe780c3b255a6f159e236b4f159281e2ef1ca54df03d86a3ca7f1d5aa2607e97477e2efdeb4867ff2d6a0edd3c7c4d96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58adaf65a1a68f139b5f984b7ec5e2d08
SHA1e6949d8e86b16439dbe5e281ed93b31dc0d07534
SHA256f30436530222a5d5abd600b136e59b357806bfdb3c2dca1385a6917f2f32a4b4
SHA512ecf330c9fe67ed4d2abefd6434a9e37c4860de58d927712d72718fe57b1cb713fc840f07a412ced38c151f7e3fe131ba3556c84e00208fd47619f2ead251e0f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5abf9a682144b32880ef450c0d79b97ae
SHA1949588aecec5d50d7245bac70c6e09502ccac89c
SHA256348466854c0b17be8fbfff6f2e245a9cf34f5367392bd468062c6e9916509a19
SHA512f96f258fd9852827ef31bd2047287ed1343052687e7d139787bd4e792583816d0134b75889ef3cde26340a77a80bb3dc38bbe07a00faae2f8e23a94778485d15
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Filesize
4.1MB
MD570438379455039ae71058944b99da5fb
SHA1decfb0a2434bbab04d87667d8bb72ffa95e59340
SHA256e734308101b7635e382127beacc5c85527cb08a7a96b68f38052e7d42b962695
SHA5120adcfcbc143b52fda0de975dd8b0b9c30a4dbd44049f4c0c47d6c4ae734d63c01f7b344a5443ec09b519d9600b768a7c9ec774b4f660b79e0cc5207475365373
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec