Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe
Resource
win10v2004-20240508-en
General
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Target
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe
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Size
4.1MB
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MD5
4dd8f8e0b2a6bdb5f1d02988b7c63b3f
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SHA1
aa1d5ed80aff5bfe054fee72f5fdd393ba1b9ba6
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SHA256
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8
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SHA512
c744269aeb665f35be15b081120b9566e8acf5f4a1cdfd6a3285f0a83344cb97355be64c5fc36275597b1132381cfd19e251cb3cf5b3fc047a3340e5763ff96c
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SSDEEP
98304:KoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/iJ:KgrNPOj9FQvccBDkmyddxD3VFiJ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2244-2-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral2/memory/2244-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2244-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2244-45-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral2/memory/2244-42-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/400-70-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/400-121-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-194-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-201-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-211-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-213-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4668-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3500 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4668 csrss.exe 2952 injector.exe 2936 windefender.exe 2008 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9eb-204.dat upx behavioral2/memory/2936-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2936-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 -
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 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe File created C:\Windows\rss\csrss.exe 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2344 sc.exe -
pid Process 4480 powershell.exe 3172 powershell.exe 2376 powershell.exe 1204 powershell.exe 3248 powershell.exe 1520 powershell.exe 1224 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 896 4480 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1068 schtasks.exe 4740 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4480 powershell.exe 4480 powershell.exe 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 3172 powershell.exe 3172 powershell.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 2376 powershell.exe 2376 powershell.exe 1204 powershell.exe 1204 powershell.exe 3248 powershell.exe 3248 powershell.exe 1520 powershell.exe 1520 powershell.exe 1224 powershell.exe 1224 powershell.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 4668 csrss.exe 4668 csrss.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 4668 csrss.exe 4668 csrss.exe 2952 injector.exe 2952 injector.exe 4668 csrss.exe 4668 csrss.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Token: SeImpersonatePrivilege 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeDebugPrivilege 2376 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeSystemEnvironmentPrivilege 4668 csrss.exe Token: SeSecurityPrivilege 2344 sc.exe Token: SeSecurityPrivilege 2344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2244 wrote to memory of 4480 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 79 PID 2244 wrote to memory of 4480 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 79 PID 2244 wrote to memory of 4480 2244 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 79 PID 400 wrote to memory of 3172 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 87 PID 400 wrote to memory of 3172 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 87 PID 400 wrote to memory of 3172 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 87 PID 400 wrote to memory of 1808 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 89 PID 400 wrote to memory of 1808 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 89 PID 1808 wrote to memory of 3500 1808 cmd.exe 91 PID 1808 wrote to memory of 3500 1808 cmd.exe 91 PID 400 wrote to memory of 2376 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 92 PID 400 wrote to memory of 2376 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 92 PID 400 wrote to memory of 2376 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 92 PID 400 wrote to memory of 1204 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 400 wrote to memory of 1204 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 400 wrote to memory of 1204 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 400 wrote to memory of 4668 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 96 PID 400 wrote to memory of 4668 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 96 PID 400 wrote to memory of 4668 400 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 96 PID 4668 wrote to memory of 3248 4668 csrss.exe 97 PID 4668 wrote to memory of 3248 4668 csrss.exe 97 PID 4668 wrote to memory of 3248 4668 csrss.exe 97 PID 4668 wrote to memory of 1520 4668 csrss.exe 102 PID 4668 wrote to memory of 1520 4668 csrss.exe 102 PID 4668 wrote to memory of 1520 4668 csrss.exe 102 PID 4668 wrote to memory of 1224 4668 csrss.exe 105 PID 4668 wrote to memory of 1224 4668 csrss.exe 105 PID 4668 wrote to memory of 1224 4668 csrss.exe 105 PID 4668 wrote to memory of 2952 4668 csrss.exe 107 PID 4668 wrote to memory of 2952 4668 csrss.exe 107 PID 2936 wrote to memory of 4028 2936 windefender.exe 113 PID 2936 wrote to memory of 4028 2936 windefender.exe 113 PID 2936 wrote to memory of 4028 2936 windefender.exe 113 PID 4028 wrote to memory of 2344 4028 cmd.exe 114 PID 4028 wrote to memory of 2344 4028 cmd.exe 114 PID 4028 wrote to memory of 2344 4028 cmd.exe 114 -
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\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 25163⤵
- Program crash
PID:896
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C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.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:400 -
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:3172
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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:1808 -
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:3500
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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:2376
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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:1204
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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:4668 -
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:3248
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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:1068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:700
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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:1520
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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:1224
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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:2952
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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:4740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2936 -
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:4028 -
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:2344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4480 -ip 44801⤵PID:4620
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2008
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e718d86b418664dbaf4294072b0ff00d
SHA19d5cb8a9d78f1f601403ccdc9a47de918e9e7c7c
SHA25630cb721dfe1136992fc390581c721feeea9f7ae5bdf1789229619a048c73e92f
SHA512608ab5bb57f9cf5aefab1b113a8e22074276bbd022edc4ef350203bd851bf507289d37a64b4af59c7aa903d627d1db0ceb30d41bceb7f73ae1b2bc33e27f6fdc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8cddb138cdd8a4de6950071d06b8260
SHA1ffb5d9f6196b5fab27b6ad3a8c4e019eb263e649
SHA25662d1af3e76c305bdeb4b80f443be03225010824202ca7f792a4d14ae0e182834
SHA512367694dab0e6d99be0f617c91590b2a3dac6b6b747fd73825e64c6f6c3f9df57e5637fe1be38b5f9d07f123d1b55b7d7794fb308084edf2127f280e69ed48e64
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab1c5537f71dd43143ced7755e0d21bc
SHA10ae109c44c0f38b2490a8aa8567c027160b6420e
SHA25629ee62f46d5f6e31f2caef6f5fa8bf75e11f6e10826cc02c0c870bc472d37b5e
SHA51251aa6b69e9a2a9f600f33885f7b26b3983e7fe713abe673e6d9bab422f001757adbd5145ba9ea269a8e0bf814009a690020583bcb62945bef0fd178d8a6a3de6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549affadf861c3f0768617c15e609c36b
SHA1a22a9ea183525a7db0ddf8cfd152ccbdf17019de
SHA25646ee9e89d048cb130e246a9c0b1759efa43b6d9bffda6a41618ee1310f2268a5
SHA512ad527a419cfe16a0865dea88af9b1f1ab602f42d0c2b1b7ad161a7bba4b8275c7c806de9ae771d6ece73cf2fc37f086a655e34958434577f8dbcb4323581435e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52551fb2ef32d05ae727cfeb646879220
SHA15f68abf8460f703a7a53b4a73d2da3b9780194d0
SHA25667470ee0583d29b9cb8a918419ef0726c108db2e2f72a14e2e1bf39a1f02a274
SHA512fb943ac60ff2410e78ec4fa1b0777235ab6bf231438b28d6303edfeeaac4f9619bdba965bec83136dcb746c6f477028603cbdf72fd9d05395a757ea0cf665750
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Filesize
4.1MB
MD54dd8f8e0b2a6bdb5f1d02988b7c63b3f
SHA1aa1d5ed80aff5bfe054fee72f5fdd393ba1b9ba6
SHA2563ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8
SHA512c744269aeb665f35be15b081120b9566e8acf5f4a1cdfd6a3285f0a83344cb97355be64c5fc36275597b1132381cfd19e251cb3cf5b3fc047a3340e5763ff96c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec