Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
Resource
win10v2004-20240426-en
General
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Target
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
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Size
4.1MB
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MD5
a3f749fce2a2b6ef0a2767ffeb8f0b69
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SHA1
79c912e540b5c9f9a74207d1f13fff40ddca5f73
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SHA256
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
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SHA512
2324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2q:1H+PiSfw6Rz4ejOEAZ44S5J5ww2q
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3136-2-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/3136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3136-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3136-57-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/3136-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/5552-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-197-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-206-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-210-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3656-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1940 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3656 csrss.exe 3952 injector.exe 5568 windefender.exe 2564 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023423-200.dat upx behavioral1/memory/5568-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5568-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2564-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 6 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 -
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.
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe -
Drops file in Windows directory 4 IoCs
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe File created C:\Windows\rss\csrss.exe d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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.
Processes:
sc.exepid Process 1556 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5540 powershell.exe 2404 powershell.exe 1168 powershell.exe 772 powershell.exe 2824 powershell.exe 5560 powershell.exe 1252 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1568 3136 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2016 schtasks.exe 5228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.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,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1252 powershell.exe 1252 powershell.exe 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5540 powershell.exe 5540 powershell.exe 5540 powershell.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 2404 powershell.exe 2404 powershell.exe 1168 powershell.exe 1168 powershell.exe 1168 powershell.exe 772 powershell.exe 772 powershell.exe 5560 powershell.exe 5560 powershell.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3656 csrss.exe 3656 csrss.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe 3952 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
powershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1252 powershell.exe Token: SeDebugPrivilege 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeImpersonatePrivilege 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeDebugPrivilege 5540 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 5560 powershell.exe Token: SeSystemEnvironmentPrivilege 3656 csrss.exe Token: SeSecurityPrivilege 1556 sc.exe Token: SeSecurityPrivilege 1556 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 3136 wrote to memory of 1252 3136 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 84 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 5540 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 98 PID 5552 wrote to memory of 1236 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 101 PID 5552 wrote to memory of 1236 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 101 PID 1236 wrote to memory of 1940 1236 cmd.exe 103 PID 1236 wrote to memory of 1940 1236 cmd.exe 103 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 2404 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 106 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 1168 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 108 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 5552 wrote to memory of 3656 5552 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 110 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 772 3656 csrss.exe 111 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 2824 3656 csrss.exe 117 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 5560 3656 csrss.exe 119 PID 3656 wrote to memory of 3952 3656 csrss.exe 121 PID 3656 wrote to memory of 3952 3656 csrss.exe 121 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 5568 wrote to memory of 2516 5568 windefender.exe 127 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 PID 2516 wrote to memory of 1556 2516 cmd.exe 128 -
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\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1252
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C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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:5552 -
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:5540
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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:1236 -
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:1940
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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:2404
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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:1168
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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:3656 -
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:772
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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:2016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:2824
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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:5560
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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:3952
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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:5228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5568 -
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:2516 -
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:1556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 6522⤵
- Program crash
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3136 -ip 31361⤵PID:4932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2564
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
MD549b22d663694c571719440f0f393caff
SHA1e3032554e57c89b5c8eed9793a77403088bd8875
SHA256d082b13ef2367a0535dd30064b222e76380eda7660545a314dbfdb62d831945e
SHA512f0df6876c85e0cff722fc96534cabddc6b5e936cb8ae663dca3392f27ed1073cc9412aed6fe2e94e4e67a73950c0078b888e96e27cd4f1adeee68c520da6f2c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fe8b5de1796cab22209bb12f071ed1e
SHA1793d4994066c7e40f70361077625bd89fa07afcb
SHA25633902ebcfbb03db27b9436ebe5c23b1d48f2ed03cba5f7dd5e7509b132d8d454
SHA512b9ac14214902ffda164715e88baff1f469376d471c1df778eecfef9c7f44b5350d4c353b37557df4e13ada25d76a4c216731b58f7cb985f7b68b932095800e0f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50910efa8f827f3c46a83b07e57ab1695
SHA1120a88807306d0625f1e77ce440c87a345b9c8a0
SHA256a8133686328ae837b9839993b78e6176c378e5f60a26a6af33c7ba7bb02a7c73
SHA512d83fd7ce38f56666105cfaa4e1318a159355840bff064dc759eeb9de586729921c34a65d74325527084bdeb75907a837e7d51b35f0d4037803a20fc6ffe56ae2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3ec8eddfd22db65087cb932c698a078
SHA1fdfb5643e27515d335a861eb90f82f63cd7e6f7e
SHA2564fa152715a20727f9ecac8394c609d5144b31b3a270d756f5292f5add9dcf22b
SHA512df05d1a8297b666c6f2bbe7f17d43543f0a56d0f5247961071014e06c99029c6e027398263896f747b57379d007437a055170c9d68408a104a747854f06dd645
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Filesize
4.1MB
MD5a3f749fce2a2b6ef0a2767ffeb8f0b69
SHA179c912e540b5c9f9a74207d1f13fff40ddca5f73
SHA256d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
SHA5122324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec