Analysis
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max time kernel
149s -
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
15-05-2024 15:18
Static task
static1
Behavioral task
behavioral1
Sample
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe
Resource
win10v2004-20240426-en
General
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Target
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe
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Size
4.1MB
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MD5
b50888fc0b0a1d04f2ff4a3a7bd23f51
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SHA1
ce131e91e553af9cab999f906d1d2a5d86ee8421
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SHA256
1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394
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SHA512
244981d4fb8815e518e585616e3f125f1250b9173790d8c5ef72a0b0e679bdf488ada39145110465f3598dd98c167675f67b97305b98dabe784c21ca3e865724
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SSDEEP
98304:yoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/i+:ygrNPOj9FQvccBDkmyddxD3VFi+
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3272-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/3272-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3272-57-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/3272-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3272-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4144-69-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4144-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3892-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3184 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3892 csrss.exe 3896 injector.exe 4816 windefender.exe 4780 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002349b-225.dat upx behavioral1/memory/4816-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4816-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4780-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4780-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4780-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe File created C:\Windows\rss\csrss.exe 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4776 sc.exe -
pid Process 2504 powershell.exe 2756 powershell.exe 1060 powershell.exe 1612 powershell.exe 4844 powershell.exe 3044 powershell.exe 5080 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 3592 schtasks.exe 2344 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.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\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1612 powershell.exe 1612 powershell.exe 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4844 powershell.exe 4844 powershell.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 3044 powershell.exe 3044 powershell.exe 5080 powershell.exe 5080 powershell.exe 2504 powershell.exe 2504 powershell.exe 2756 powershell.exe 2756 powershell.exe 1060 powershell.exe 1060 powershell.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3892 csrss.exe 3892 csrss.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3892 csrss.exe 3892 csrss.exe 3896 injector.exe 3896 injector.exe 3892 csrss.exe 3892 csrss.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe 3896 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Token: SeImpersonatePrivilege 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 2756 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeSystemEnvironmentPrivilege 3892 csrss.exe Token: SeSecurityPrivilege 4776 sc.exe Token: SeSecurityPrivilege 4776 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3272 wrote to memory of 1612 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 3272 wrote to memory of 1612 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 3272 wrote to memory of 1612 3272 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 96 PID 4144 wrote to memory of 4844 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 100 PID 4144 wrote to memory of 4844 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 100 PID 4144 wrote to memory of 4844 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 100 PID 4144 wrote to memory of 3328 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 102 PID 4144 wrote to memory of 3328 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 102 PID 3328 wrote to memory of 3184 3328 cmd.exe 104 PID 3328 wrote to memory of 3184 3328 cmd.exe 104 PID 4144 wrote to memory of 3044 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 105 PID 4144 wrote to memory of 3044 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 105 PID 4144 wrote to memory of 3044 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 105 PID 4144 wrote to memory of 5080 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 107 PID 4144 wrote to memory of 5080 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 107 PID 4144 wrote to memory of 5080 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 107 PID 4144 wrote to memory of 3892 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 110 PID 4144 wrote to memory of 3892 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 110 PID 4144 wrote to memory of 3892 4144 1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe 110 PID 3892 wrote to memory of 2504 3892 csrss.exe 112 PID 3892 wrote to memory of 2504 3892 csrss.exe 112 PID 3892 wrote to memory of 2504 3892 csrss.exe 112 PID 3892 wrote to memory of 2756 3892 csrss.exe 118 PID 3892 wrote to memory of 2756 3892 csrss.exe 118 PID 3892 wrote to memory of 2756 3892 csrss.exe 118 PID 3892 wrote to memory of 1060 3892 csrss.exe 120 PID 3892 wrote to memory of 1060 3892 csrss.exe 120 PID 3892 wrote to memory of 1060 3892 csrss.exe 120 PID 3892 wrote to memory of 3896 3892 csrss.exe 122 PID 3892 wrote to memory of 3896 3892 csrss.exe 122 PID 4816 wrote to memory of 3852 4816 windefender.exe 128 PID 4816 wrote to memory of 3852 4816 windefender.exe 128 PID 4816 wrote to memory of 3852 4816 windefender.exe 128 PID 3852 wrote to memory of 4776 3852 cmd.exe 129 PID 3852 wrote to memory of 4776 3852 cmd.exe 129 PID 3852 wrote to memory of 4776 3852 cmd.exe 129 -
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\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612
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C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.exe"C:\Users\Admin\AppData\Local\Temp\1f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394.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:4144 -
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:4844
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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:3328 -
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:3184
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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:3044
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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:5080
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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:3892 -
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:2504
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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:3592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3812
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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:2756
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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:1060
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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:3896
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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:2344
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4816 -
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:3852 -
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:4776
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4780
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
MD5735cc14365bc426adfd1fc42679bda58
SHA10b0cf376de6ce27306140395edc12ad72ed00185
SHA256645ee6a99dee3a6812c572597b293969dd96a30039dec71ee2b10c68fc61284e
SHA512e3618cbf38109d8cb1fbcd41b55158795d5f2dfb25aee53e1a32a6a9a47825ba95fd09d739a0bc5e70183e2e3ab2f3dd075c95cc0d5e7a3cf452be27a8dfe8bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564797031368cae42b2f4ff70e148c44e
SHA1e7ab43dcd8fd169b790378888cbeaf5171b84a49
SHA2561a784b6d9c034c484c47df977f1aef2d277a2285d0821e04bf36c0c8030ae845
SHA5121c2285106d509f85be273235aee46c7d62bde16fcb130605a6b022545bca4af9ea0adc4da1692ff7b035d68bc97adf535b6fc5cffba98703814a53ade0657015
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e8f4602807f920836f821ecbbb04ecc
SHA1334ea4ad1f5e5491dc64f3beb39e948164a39f47
SHA256e4d756cd40933c27ebcfad16423cd33dece61b8be1e8c829fb903b192ce34b6d
SHA51232bdbbc11fbc1ce61e4bb246497e0304d0ad2e7efdf183e3280d9e2897a786e150b81cac10dfe09eb78b195f414ad120848e82758ede210a2ea6e6ca7433dd11
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea748b41925844469b882ef4d7ad5506
SHA1f75a44836580e10f5d5065e0927a02a5541eaca6
SHA256cb9194b5f9aaf8d7c830195d30fb3e0740c33d0cfdd5a6d8f91631b093d02fc5
SHA5121105764404c483d037ebee99d9f42b28a23aa5c887124bd0eb77c2657463ec9e271212cf8cb78fa2a9785a1a7f412c749d281ccd8971e1df7ab2e1739b969c08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e86631388ec8e9399050fcc3ca711ee
SHA10eeecc2dc43eb247bc07326186a9c7baf088e439
SHA256c6325e0ab66c9c16ee544da394dd961436751ae4773e4b38ab2241c3739db0fd
SHA51203be6b857f3ec2e3281f3b69860c7774078b357237f23c65c1491faebced1fc1c7a5c13275928accab886808aa136c9d044692d11ad05af36fe044d73d61c33c
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Filesize
4.1MB
MD5b50888fc0b0a1d04f2ff4a3a7bd23f51
SHA1ce131e91e553af9cab999f906d1d2a5d86ee8421
SHA2561f3c5edc2163210b2c9b10e437299a5eb1dcf0ec34808b7347b5e6969324c394
SHA512244981d4fb8815e518e585616e3f125f1250b9173790d8c5ef72a0b0e679bdf488ada39145110465f3598dd98c167675f67b97305b98dabe784c21ca3e865724
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec