Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:50
Static task
static1
Behavioral task
behavioral1
Sample
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe
Resource
win10v2004-20240508-en
General
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Target
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe
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Size
4.1MB
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MD5
a7f76f3fed31507ef9da91b81a690db3
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SHA1
7bfd775ef9d1c2e5f8416cf9c9d94ff0d21cff4c
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SHA256
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b
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SHA512
67941e9dbaa2dd01fc8e6b0eb67472d2d1d65fac9d1847cd181bff0933f2d935f54af3335ce45fcf04440ab8d8eee9ec9c2e631303c360e242df13316d716c20
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0i:YLmIkbquibpii2yAk4+2fEKmbx
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/5048-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/5048-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5048-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5048-107-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4312-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3324 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4356 csrss.exe 4940 injector.exe 224 windefender.exe 844 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/224-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/224-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/844-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/844-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe -
Drops file in Windows directory 4 IoCs
Processes:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.execsrss.exedescription ioc process File opened for modification C:\Windows\rss c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe File created C:\Windows\rss\csrss.exe c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.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 5112 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1784 powershell.exe 2380 powershell.exe 2888 powershell.exe 4028 powershell.exe 3124 powershell.exe 4076 powershell.exe 4580 powershell.exe -
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 1680 schtasks.exe 4296 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-841 = "Argentina Daylight 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,-2001 = "Cabo Verde Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.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,-392 = "Arab Standard Time" windefender.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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight 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,-402 = "Arabic Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar 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" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4028 powershell.exe 4028 powershell.exe 4028 powershell.exe 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 3124 powershell.exe 3124 powershell.exe 3124 powershell.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4076 powershell.exe 4076 powershell.exe 4076 powershell.exe 4580 powershell.exe 4580 powershell.exe 4580 powershell.exe 1784 powershell.exe 1784 powershell.exe 1784 powershell.exe 2380 powershell.exe 2380 powershell.exe 2380 powershell.exe 2888 powershell.exe 2888 powershell.exe 2888 powershell.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4356 csrss.exe 4356 csrss.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4356 csrss.exe 4356 csrss.exe 4940 injector.exe 4940 injector.exe 4356 csrss.exe 4356 csrss.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe 4940 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Token: SeImpersonatePrivilege 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 2888 powershell.exe Token: SeSystemEnvironmentPrivilege 4356 csrss.exe Token: SeSecurityPrivilege 5112 sc.exe Token: SeSecurityPrivilege 5112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5048 wrote to memory of 4028 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 5048 wrote to memory of 4028 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 5048 wrote to memory of 4028 5048 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 3124 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 3124 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 3124 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 3696 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe cmd.exe PID 4312 wrote to memory of 3696 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe cmd.exe PID 3696 wrote to memory of 3324 3696 cmd.exe netsh.exe PID 3696 wrote to memory of 3324 3696 cmd.exe netsh.exe PID 4312 wrote to memory of 4076 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4076 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4076 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4580 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4580 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4580 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4312 wrote to memory of 4356 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 4312 wrote to memory of 4356 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 4312 wrote to memory of 4356 4312 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 4356 wrote to memory of 1784 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 1784 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 1784 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2380 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2380 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2380 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2888 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2888 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 2888 4356 csrss.exe powershell.exe PID 4356 wrote to memory of 4940 4356 csrss.exe injector.exe PID 4356 wrote to memory of 4940 4356 csrss.exe injector.exe PID 224 wrote to memory of 2528 224 windefender.exe cmd.exe PID 224 wrote to memory of 2528 224 windefender.exe cmd.exe PID 224 wrote to memory of 2528 224 windefender.exe cmd.exe PID 2528 wrote to memory of 5112 2528 cmd.exe sc.exe PID 2528 wrote to memory of 5112 2528 cmd.exe sc.exe PID 2528 wrote to memory of 5112 2528 cmd.exe sc.exe -
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\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028 -
C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.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:4312 -
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:3124 -
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:3696 -
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:3324 -
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:4076 -
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:4580 -
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:4356 -
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:1784 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1680 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2648
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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:2380 -
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:2888 -
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:4940 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4296 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:224 -
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:2528 -
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:5112
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4024,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:81⤵PID:4492
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:844
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
MD580bf609227f20c2019d926863e82e644
SHA135e2308aab86297d9bf7545db9130e138ea1365a
SHA25605acfc23670bd8adeec20e5f15e2cfc659c3c93aae75a3e5bc65cf15baa1fece
SHA51282240216f8c4e9dcc75815bc40b5559b4853fb8b59b6e9e9643dba853fac3e88a061e20a70938121e5a2ee1002a579a99aa3b0f5010b44f9f8d54028638f8fff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f6780b6c7fc06dd1996caac4d722543
SHA1386bd8867f1641e9d99ae4bfcfec7e879b8cfc4d
SHA256ca12db510703616f1b05f67d30c2533103356ac0bd5ded414d25277bb3ad080f
SHA512e8c7b5f5cf9e30eb8e7ea6c8495ad8a240857bb021fe5ab4e9af168dd9df463ecc6ec9773448f14204f6130a3fbf26f7c811fd286aa379299861f88814197f7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD543281e9bcbec22126cd70527c3a6edc0
SHA1e67f8f6d1c5dd3f87bea252bc9a91ff39717ad0a
SHA2565283a9128def79ba35a3f01d7461fbb71e342d6f48b85d531f4748f5c08850cd
SHA51203bf35b768f58ae10f592fa4e4149684f23baee720e16953ed44c0344130862728d37bad4fa8ab710d275c61b5137d68db6625c7c41986ad875605e3b4636212
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f010f163e2426f7c22653c0205af78a9
SHA1b50241c307863dd2fe0956916ebdbff6e4913662
SHA256e3908438a6ced0978aec330fdd75a80b0b8471d22eaa31e01dafd65651320149
SHA5129d3520742023f3ea107b4f2ade104ae846886ebd64386e09de64cd884c0de7af7a6fafee68619e2424dd50e03359db16019c0ed49f0f13724a5e8ffc4f41c7f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550e770814ebb6a3ea67d15bf41ca5acf
SHA1fad9c5dfb94b6bf4d9871fe0fe9620031129d1b0
SHA2564e7a8fa87558993827b55171abb3a489cef097f96c8e57cc0c01a58ce940653d
SHA51248befe57c47f6e5ef0dc321433eb3fddafb36466720b6536f4ac234081352df173e363a31c528a9241218b5d54fc4cef8c2da54f2f8f6c14ba93af4461e66bac
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Filesize
4.1MB
MD5a7f76f3fed31507ef9da91b81a690db3
SHA17bfd775ef9d1c2e5f8416cf9c9d94ff0d21cff4c
SHA256c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b
SHA51267941e9dbaa2dd01fc8e6b0eb67472d2d1d65fac9d1847cd181bff0933f2d935f54af3335ce45fcf04440ab8d8eee9ec9c2e631303c360e242df13316d716c20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec