Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:29
Static task
static1
Behavioral task
behavioral1
Sample
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe
Resource
win10v2004-20240508-en
General
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Target
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe
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Size
4.1MB
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MD5
6cc892b59bb7bec417f1e3fc8fb453b4
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SHA1
0deb0a97c55a36ba4c76afac0385034e099bb565
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SHA256
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4
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SHA512
64daf6c9c87e2923c3d392cef17987baa2398698f9615dc5d623e5745f9ff5d6f1703139e73640930ee243538266e802ca9f324f660a021b3e31ebfd7f4e8fd4
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SSDEEP
98304:cd7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErW:+RMSLQaVNfPUP9FaqUIATxXaCdFFREnb
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1128-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1128-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1128-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1128-57-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1128-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4400-69-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4400-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4400-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-163-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1856-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3632 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1856 csrss.exe 4692 injector.exe 5080 windefender.exe 2040 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023414-227.dat upx behavioral1/memory/5080-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2040-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2040-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2040-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 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 -
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 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe File created C:\Windows\rss\csrss.exe 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 968 sc.exe -
pid Process 1732 powershell.exe 1244 powershell.exe 1912 powershell.exe 1644 powershell.exe 2160 powershell.exe 2488 powershell.exe 3308 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 1328 schtasks.exe 4068 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\trust 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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2162 = "Altai Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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,-561 = "SE Asia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1912 powershell.exe 1912 powershell.exe 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 1644 powershell.exe 1644 powershell.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 2160 powershell.exe 2160 powershell.exe 2488 powershell.exe 2488 powershell.exe 3308 powershell.exe 3308 powershell.exe 1732 powershell.exe 1732 powershell.exe 1244 powershell.exe 1244 powershell.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 1856 csrss.exe 1856 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 1856 csrss.exe 1856 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 1856 csrss.exe 1856 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Token: SeImpersonatePrivilege 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeSystemEnvironmentPrivilege 1856 csrss.exe Token: SeSecurityPrivilege 968 sc.exe Token: SeSecurityPrivilege 968 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1128 wrote to memory of 1912 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 95 PID 1128 wrote to memory of 1912 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 95 PID 1128 wrote to memory of 1912 1128 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 95 PID 4400 wrote to memory of 1644 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 100 PID 4400 wrote to memory of 1644 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 100 PID 4400 wrote to memory of 1644 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 100 PID 4400 wrote to memory of 1060 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 105 PID 4400 wrote to memory of 1060 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 105 PID 1060 wrote to memory of 3632 1060 cmd.exe 107 PID 1060 wrote to memory of 3632 1060 cmd.exe 107 PID 4400 wrote to memory of 2160 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 108 PID 4400 wrote to memory of 2160 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 108 PID 4400 wrote to memory of 2160 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 108 PID 4400 wrote to memory of 2488 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 110 PID 4400 wrote to memory of 2488 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 110 PID 4400 wrote to memory of 2488 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 110 PID 4400 wrote to memory of 1856 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 112 PID 4400 wrote to memory of 1856 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 112 PID 4400 wrote to memory of 1856 4400 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 112 PID 1856 wrote to memory of 3308 1856 csrss.exe 113 PID 1856 wrote to memory of 3308 1856 csrss.exe 113 PID 1856 wrote to memory of 3308 1856 csrss.exe 113 PID 1856 wrote to memory of 1732 1856 csrss.exe 118 PID 1856 wrote to memory of 1732 1856 csrss.exe 118 PID 1856 wrote to memory of 1732 1856 csrss.exe 118 PID 1856 wrote to memory of 1244 1856 csrss.exe 121 PID 1856 wrote to memory of 1244 1856 csrss.exe 121 PID 1856 wrote to memory of 1244 1856 csrss.exe 121 PID 1856 wrote to memory of 4692 1856 csrss.exe 123 PID 1856 wrote to memory of 4692 1856 csrss.exe 123 PID 5080 wrote to memory of 2404 5080 windefender.exe 130 PID 5080 wrote to memory of 2404 5080 windefender.exe 130 PID 5080 wrote to memory of 2404 5080 windefender.exe 130 PID 2404 wrote to memory of 968 2404 cmd.exe 131 PID 2404 wrote to memory of 968 2404 cmd.exe 131 PID 2404 wrote to memory of 968 2404 cmd.exe 131 -
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\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912
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C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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:4400 -
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:1644
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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:1060 -
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:3632
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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:2160
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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:2488
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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:1856 -
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:3308
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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:1328
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1020
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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:1732
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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:1244
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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:4692
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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:4068
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5080 -
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:2404 -
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:968
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2040
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
MD53ff37112ccb8eabd2269463df22649bd
SHA1f131c2b2c539fdc2e750db974dd88f1a791f45de
SHA25659f9928f5f84bbcbebaafd7bfa2d3a32e82bc437fb8309b86162da808805194b
SHA512f57a4beac8e626f813a9d7ca1df339684698ef6b8b7c3f590fc795d96591eb2a0b2854550c54d1e901dac576a11e08de2d1344181821451b72b2c0be696bcacd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552dfa8a2940c34688ecdcc347ff9d134
SHA1bca1b639016b6724d46d34305b374bd6d9833f88
SHA256fc6dfc23114e4f94020bc71bfdc2ac362ba16e4fd8e0e3b5d21c2b02c83a1845
SHA5120dc1f562b15b0d46516c0150c7f94b40dc801e6cd2feec97f7c36f292a131a31c8de23c9aca07138f380077611bcf202cb81d5cc25567d8c0fb9806a827892b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5921cd1016555244cf9c81d049941a865
SHA18f113f18c9c762bff0a42638a31903d23394b44b
SHA256256965a8fa2184e6689c791b93464d1b24ca4d4c43a0bdab518451c5d16be515
SHA5128e6614474804109507c22c6c4538e28746386fa716d4003d75586f7195e086ea504305e73cc33b3a7ae8ac45886e50b9a2b5eec90a379ba6cc5f01f58178f9d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520530d48815512e2972cf7d002f51a0a
SHA16a98d37719514e8b65862b812e504110570eb53a
SHA25609308f124cffec9a3d9c7c434a167432d481432bd0c53af1c60e02af1d5c0f37
SHA51203ec30d55848e139a96b95d718c92973f335945a444895f4a0337c249fc4cf2d2f423d971bf8c1b2f811b1843f748726db354f709f80ac587ad340e7129c7d8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55063fd93fb766f1a3a1a3e98f797c2c6
SHA14c09d1dee8faa117b532cb5fe03da4e0c9c53270
SHA256d8f2fb32ef9362053f0178e4b0b1c60bb3782eb8c1d7ae9974354a0c37eb20ba
SHA51243b77fd7187dd2f98a01dc694a7b202c4952abc19b121cc7fcc81b623d9000c999abc904cc1ca8564f52a87fcd19ce4e93d84660b116ea593fc5c56917ce55f7
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Filesize
4.1MB
MD56cc892b59bb7bec417f1e3fc8fb453b4
SHA10deb0a97c55a36ba4c76afac0385034e099bb565
SHA25673d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4
SHA51264daf6c9c87e2923c3d392cef17987baa2398698f9615dc5d623e5745f9ff5d6f1703139e73640930ee243538266e802ca9f324f660a021b3e31ebfd7f4e8fd4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec