Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:52
Static task
static1
Behavioral task
behavioral1
Sample
748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe
Resource
win10v2004-20240426-en
General
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Target
748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe
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Size
4.1MB
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MD5
b21b90b9b0b2f45581b60b79e4d69f76
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SHA1
d512fed5cb04a31f0c3fb9ff55eb3ae90d1d1623
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SHA256
748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3
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SHA512
238a784bd11590093f5040c1368f0b7f675f558a0e91f2f7bf976dea4b43627d2b1b014bd6dbaf3e2bfa6de322998f6fd2e6fd8f4d2a7937b40c3526f709ceec
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SSDEEP
49152:NKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJw8:N1wCr5kG+hEArjFEeNSldQg15xmh8
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/1592-2-0x0000000004D70000-0x000000000565B000-memory.dmp family_glupteba behavioral1/memory/1592-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1592-155-0x0000000004D70000-0x000000000565B000-memory.dmp family_glupteba behavioral1/memory/1592-153-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1592-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2820-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-262-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-266-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-270-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1676-273-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3440 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1676 csrss.exe 2136 injector.exe 2468 windefender.exe 1932 windefender.exe -
resource yara_rule behavioral1/memory/2468-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000800000002341f-221.dat upx behavioral1/memory/2468-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1932-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1932-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1932-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe File created C:\Windows\rss\csrss.exe 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.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 3120 sc.exe -
pid Process 3180 powershell.exe 3616 powershell.exe 4324 powershell.exe 4672 powershell.exe 3120 powershell.exe 2852 powershell.exe 2344 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 1844 schtasks.exe 4456 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,-832 = "SA Eastern Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3180 powershell.exe 3180 powershell.exe 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 3616 powershell.exe 3616 powershell.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 4324 powershell.exe 4324 powershell.exe 4672 powershell.exe 4672 powershell.exe 3120 powershell.exe 3120 powershell.exe 3120 powershell.exe 2852 powershell.exe 2852 powershell.exe 2344 powershell.exe 2344 powershell.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 1676 csrss.exe 1676 csrss.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 1676 csrss.exe 1676 csrss.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 1676 csrss.exe 1676 csrss.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe 2136 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Token: SeImpersonatePrivilege 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeSystemEnvironmentPrivilege 1676 csrss.exe Token: SeSecurityPrivilege 3120 sc.exe Token: SeSecurityPrivilege 3120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1592 wrote to memory of 3180 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 86 PID 1592 wrote to memory of 3180 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 86 PID 1592 wrote to memory of 3180 1592 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 86 PID 2820 wrote to memory of 3616 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 92 PID 2820 wrote to memory of 3616 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 92 PID 2820 wrote to memory of 3616 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 92 PID 2820 wrote to memory of 2744 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 99 PID 2820 wrote to memory of 2744 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 99 PID 2744 wrote to memory of 3440 2744 cmd.exe 101 PID 2744 wrote to memory of 3440 2744 cmd.exe 101 PID 2820 wrote to memory of 4324 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 102 PID 2820 wrote to memory of 4324 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 102 PID 2820 wrote to memory of 4324 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 102 PID 2820 wrote to memory of 4672 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 104 PID 2820 wrote to memory of 4672 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 104 PID 2820 wrote to memory of 4672 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 104 PID 2820 wrote to memory of 1676 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 108 PID 2820 wrote to memory of 1676 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 108 PID 2820 wrote to memory of 1676 2820 748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe 108 PID 1676 wrote to memory of 3120 1676 csrss.exe 126 PID 1676 wrote to memory of 3120 1676 csrss.exe 126 PID 1676 wrote to memory of 3120 1676 csrss.exe 126 PID 1676 wrote to memory of 2852 1676 csrss.exe 115 PID 1676 wrote to memory of 2852 1676 csrss.exe 115 PID 1676 wrote to memory of 2852 1676 csrss.exe 115 PID 1676 wrote to memory of 2344 1676 csrss.exe 117 PID 1676 wrote to memory of 2344 1676 csrss.exe 117 PID 1676 wrote to memory of 2344 1676 csrss.exe 117 PID 1676 wrote to memory of 2136 1676 csrss.exe 119 PID 1676 wrote to memory of 2136 1676 csrss.exe 119 PID 2468 wrote to memory of 1908 2468 windefender.exe 125 PID 2468 wrote to memory of 1908 2468 windefender.exe 125 PID 2468 wrote to memory of 1908 2468 windefender.exe 125 PID 1908 wrote to memory of 3120 1908 cmd.exe 126 PID 1908 wrote to memory of 3120 1908 cmd.exe 126 PID 1908 wrote to memory of 3120 1908 cmd.exe 126 -
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\748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe"C:\Users\Admin\AppData\Local\Temp\748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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C:\Users\Admin\AppData\Local\Temp\748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.exe"C:\Users\Admin\AppData\Local\Temp\748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3.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:2820 -
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:3616
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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:2744 -
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:3440
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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:4324
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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:4672
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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:1676 -
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:3120
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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:1844
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:864
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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:2852
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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:2344
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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:2136
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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:4456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2468 -
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:1908 -
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:3120
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1932
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f22ddd98b567ccb3c285a2af5110a2f
SHA15d1d41809f6306edad42180f346938f78fbd9bbc
SHA256f67aa5540183b026de11a410f7c587c6070533df24a2beb880773a3ed4740927
SHA5125d5b600709c20e8003807c1d9e34f23dd791194c0af32412d63232d8a4cc31ca2f939e7a1cde5a04f6806b6726088fb691242b8d238ca47421d84505229ebb02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587d884e71d66afb5e283ca1886facff2
SHA1382097be586803dcc41e48187480076c8369dfdc
SHA256059b5142f68fd16bf86b1160894f7cba2894e9a31dbdef8a094060897a757327
SHA5128a0234bba8af5f17fead4faea6f834456eb00c3d02338c68a8ac14da2c63a094e66b75bd1f2f50dae909f551492418c134da2874555ac097f22d881f407d1753
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517587fc39f1d99dc63b34616c68b6aa6
SHA17185ce3605e294fd0b30d4dcd8fc15d49b65c437
SHA256ecdd662970ff1a7e48bed98c93686c9cb4f5b92e18a515929e00fee5f1067a8d
SHA5121ca679f66d2a3e8bc6f660bcbce0f276aa977a58de93f1da2cb23422b5e551470e687cbd52c317ddf1a95d2a68bb2178545e93c482f529e26fde8dcd7dd44678
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51dfc9b6c4479e8cffd934bbf486ed857
SHA19939a77072a940520220d3b122e991b66e267e64
SHA2562dac238678f6124657d9b7dbd414ef8bd88b4c0833746e58d6da2388741eab43
SHA512ab0a81d30970446a6141a99621acf09786118b280751de5cfbcabbe54f3dbd877df7eb285b0c2d3d8a234a0ea1ec76040ea101ad2158f27feb0045944ac115f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507b48b971db59d6c70091b79c247333c
SHA11b19b132214550f7a24f43a977fa09d25fe4d2b4
SHA256f3fc947085c6600c0d9d7e123fa9463ad4d05824cd5e2113a5b918430ea85c23
SHA5128b502edfab60ecb18019a7bfd3136dcb0d4d66b42f54c5f665adf9e4ed660a188d75f856197eada435c24c98370c504d2083e4458438d68983f72d99d9c4344c
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Filesize
4.1MB
MD5b21b90b9b0b2f45581b60b79e4d69f76
SHA1d512fed5cb04a31f0c3fb9ff55eb3ae90d1d1623
SHA256748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3
SHA512238a784bd11590093f5040c1368f0b7f675f558a0e91f2f7bf976dea4b43627d2b1b014bd6dbaf3e2bfa6de322998f6fd2e6fd8f4d2a7937b40c3526f709ceec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec