Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2024 04:34
Static task
static1
Behavioral task
behavioral1
Sample
d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe
Resource
win10v2004-20231215-en
General
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Target
d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe
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Size
4.2MB
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MD5
b7cf5bfd6800b6da4e8a4574f1545ff6
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SHA1
a4ad3d7ab7099b8713dff5caef627bd2e67fc73b
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SHA256
d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0
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SHA512
18db551f1d921c2c7f80fe7dd2a20bd7c0aebee8f736fe15739fa5487bae7b5cd82dddfb4fec65cd5aaabbd975270c24a0202e21e5f8bb6f8d6453b8cc83b3b6
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SSDEEP
98304:GN82p1RaOBrZprThm2bJPX/vLZtLQqJmAlvHFH02ncDWTfHpY:+MStpnhFVxbz9J5TfH6
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/5040-2-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral1/memory/5040-3-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/556-57-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/5040-70-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral1/memory/5040-85-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/556-135-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/556-217-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-252-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-263-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-267-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-271-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-275-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-279-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-283-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-287-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-291-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-295-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-299-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-303-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/4380-307-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4004 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4380 csrss.exe 1256 injector.exe 4556 windefender.exe 672 windefender.exe -
resource yara_rule behavioral1/files/0x0006000000018062-255.dat upx behavioral1/memory/4556-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/672-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/672-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe File created C:\Windows\rss\csrss.exe d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe File created 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 3640 sc.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 4184 schtasks.exe 2184 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4456 powershell.exe 4456 powershell.exe 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 1808 powershell.exe 1808 powershell.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 960 powershell.exe 960 powershell.exe 672 powershell.exe 672 powershell.exe 4160 powershell.exe 4160 powershell.exe 216 powershell.exe 216 powershell.exe 4732 powershell.exe 4732 powershell.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 4380 csrss.exe 4380 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 4380 csrss.exe 4380 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 4380 csrss.exe 4380 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4456 powershell.exe Token: SeDebugPrivilege 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Token: SeImpersonatePrivilege 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 960 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeSystemEnvironmentPrivilege 4380 csrss.exe Token: SeSecurityPrivilege 3640 sc.exe Token: SeSecurityPrivilege 3640 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4456 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 84 PID 5040 wrote to memory of 4456 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 84 PID 5040 wrote to memory of 4456 5040 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 84 PID 556 wrote to memory of 1808 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 89 PID 556 wrote to memory of 1808 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 89 PID 556 wrote to memory of 1808 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 89 PID 556 wrote to memory of 540 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 91 PID 556 wrote to memory of 540 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 91 PID 540 wrote to memory of 4004 540 cmd.exe 93 PID 540 wrote to memory of 4004 540 cmd.exe 93 PID 556 wrote to memory of 960 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 94 PID 556 wrote to memory of 960 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 94 PID 556 wrote to memory of 960 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 94 PID 556 wrote to memory of 672 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 122 PID 556 wrote to memory of 672 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 122 PID 556 wrote to memory of 672 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 122 PID 556 wrote to memory of 4380 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 100 PID 556 wrote to memory of 4380 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 100 PID 556 wrote to memory of 4380 556 d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe 100 PID 4380 wrote to memory of 4160 4380 csrss.exe 101 PID 4380 wrote to memory of 4160 4380 csrss.exe 101 PID 4380 wrote to memory of 4160 4380 csrss.exe 101 PID 4380 wrote to memory of 216 4380 csrss.exe 108 PID 4380 wrote to memory of 216 4380 csrss.exe 108 PID 4380 wrote to memory of 216 4380 csrss.exe 108 PID 4380 wrote to memory of 4732 4380 csrss.exe 112 PID 4380 wrote to memory of 4732 4380 csrss.exe 112 PID 4380 wrote to memory of 4732 4380 csrss.exe 112 PID 4380 wrote to memory of 1256 4380 csrss.exe 114 PID 4380 wrote to memory of 1256 4380 csrss.exe 114 PID 4556 wrote to memory of 4136 4556 windefender.exe 120 PID 4556 wrote to memory of 4136 4556 windefender.exe 120 PID 4556 wrote to memory of 4136 4556 windefender.exe 120 PID 4136 wrote to memory of 3640 4136 cmd.exe 121 PID 4136 wrote to memory of 3640 4136 cmd.exe 121 PID 4136 wrote to memory of 3640 4136 cmd.exe 121 -
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\d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe"C:\Users\Admin\AppData\Local\Temp\d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456
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C:\Users\Admin\AppData\Local\Temp\d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.exe"C:\Users\Admin\AppData\Local\Temp\d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0.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:556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1808
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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:540 -
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:4004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:960
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672
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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:4380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4160
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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:4184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
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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:1256
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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:2184
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4556 -
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:4136 -
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:3640
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:672
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
MD5e04a280c7682ce8d0107563ee19cb779
SHA1d380d9c7071bd8eac1fd77a3867c6e7b86c2dc37
SHA256ed06053debbba5a116b53d9ad6ced830ca29b98e91b6e9099aeb8d4fb3169b61
SHA5120fc175eb561ad6843ee7ac74d6afee8470c6898ffa5b422317e4f78dd60f3296ede2cd7cedce05084eec9ee46edbe7b8b6c3e644dd073f97c901c2364176f9a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad419f9440ca22405ea5679ee4f39658
SHA116ef2152dc4ca961e802191f1882fc16abe469e5
SHA256b6e45de822b79850b7dcdd02537ffb7247c61e0539841eda24e0d28453efb043
SHA512a9c1ded8673966f5a03ada166953d2d5c59d99c12e4d2e67b55c4a410da6726f47e74748d77ebe34264e2adf8bbfbc4edda62218906dd2dbd82f5d54705e37eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549761040c1d0f18edfabd58d78f54ade
SHA11cb23424433d83fd46a45ea8b822c0fb6c177d0c
SHA256761c5a057ad0a2b269d4885acfe6ab54175480923e4b26eef1bce00f901a3ef0
SHA512438bcfea98b11e1ac7752041541fef14aaca8b75bd6cf4751e8ae76802059ddbda55775d376c339fe9c36956d3108e2c7ffc6997b840b41ca3998582182b6031
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2ba3cf972d895ee203132d0175d4d04
SHA17a57ff57dddb2f71d06de68d607133b6d0382b5e
SHA256d2d4db6b8e0e86095eda631f8bbca8a9ef66523e96c009c243598ec51457e2b2
SHA51265ae9f484bf9478ce6fd43a64f215d1e2f7006ca8532ab964867a136e59522a9753ab73b7bfd22aabf09df1d561f9ded5f2386c2b1ad5cd1ceada61af30f0259
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab6d1ec37dd819e8e06ac9719bcb31f5
SHA15c95a12baacfb41f347f00a524d66875820e1a0a
SHA256c3a8b0e83cb99dc43e12dc8031161c8a7b1190287f9c7aa308c4dbd038cf4d7d
SHA512c4a7855cf6078c68a683e97fd85fe41ef669535b1f7710aeb7766b1de48382a1e9e7da0023b95777738717e65b8d8e9c00c9ffb3ae227efcd48ff10772364eb3
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Filesize
4.2MB
MD5b7cf5bfd6800b6da4e8a4574f1545ff6
SHA1a4ad3d7ab7099b8713dff5caef627bd2e67fc73b
SHA256d6336d8e78363e4454bc05171325227362478b3ca8a00e97e9dbb74db1f8a0b0
SHA51218db551f1d921c2c7f80fe7dd2a20bd7c0aebee8f736fe15739fa5487bae7b5cd82dddfb4fec65cd5aaabbd975270c24a0202e21e5f8bb6f8d6453b8cc83b3b6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec