Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe
Resource
win10v2004-20240508-en
General
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Target
7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe
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Size
4.1MB
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MD5
27e1a63cedffde5c50d471f45601e64a
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SHA1
1e8d0b3b03e27652cdd8d06e781516ef525441e5
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SHA256
7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b
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SHA512
e3545aca94e9d455dbd54d95ed2ff91dfa3c9ecd515b5bdf9d3e8af1573400c6e02f627503f16b7757916086ecba92393bc78aae7aeffea44487236a12fd4144
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SSDEEP
98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2+:7rhn/yCBZkM+pB3dz3
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4232-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4232-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4232-76-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4232-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1196-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4236 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3928 csrss.exe 3268 injector.exe 1808 windefender.exe 1956 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab41-202.dat upx behavioral2/memory/1808-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1808-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 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 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe File created C:\Windows\rss\csrss.exe 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2788 sc.exe -
pid Process 1600 powershell.exe 2348 powershell.exe 1668 powershell.exe 1268 powershell.exe 3848 powershell.exe 4384 powershell.exe 2704 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 4428 schtasks.exe 4416 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\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 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\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard 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" 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2704 powershell.exe 2704 powershell.exe 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1600 powershell.exe 1600 powershell.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 2348 powershell.exe 2348 powershell.exe 1668 powershell.exe 1668 powershell.exe 1268 powershell.exe 1268 powershell.exe 3848 powershell.exe 3848 powershell.exe 4384 powershell.exe 4384 powershell.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3928 csrss.exe 3928 csrss.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3928 csrss.exe 3928 csrss.exe 3268 injector.exe 3268 injector.exe 3928 csrss.exe 3928 csrss.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe 3268 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Token: SeImpersonatePrivilege 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeSystemEnvironmentPrivilege 3928 csrss.exe Token: SeSecurityPrivilege 2788 sc.exe Token: SeSecurityPrivilege 2788 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4232 wrote to memory of 2704 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 81 PID 4232 wrote to memory of 2704 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 81 PID 4232 wrote to memory of 2704 4232 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 81 PID 1196 wrote to memory of 1600 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 86 PID 1196 wrote to memory of 1600 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 86 PID 1196 wrote to memory of 1600 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 86 PID 1196 wrote to memory of 2364 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 88 PID 1196 wrote to memory of 2364 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 88 PID 2364 wrote to memory of 4236 2364 cmd.exe 90 PID 2364 wrote to memory of 4236 2364 cmd.exe 90 PID 1196 wrote to memory of 2348 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 91 PID 1196 wrote to memory of 2348 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 91 PID 1196 wrote to memory of 2348 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 91 PID 1196 wrote to memory of 1668 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 93 PID 1196 wrote to memory of 1668 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 93 PID 1196 wrote to memory of 1668 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 93 PID 1196 wrote to memory of 3928 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 95 PID 1196 wrote to memory of 3928 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 95 PID 1196 wrote to memory of 3928 1196 7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe 95 PID 3928 wrote to memory of 1268 3928 csrss.exe 96 PID 3928 wrote to memory of 1268 3928 csrss.exe 96 PID 3928 wrote to memory of 1268 3928 csrss.exe 96 PID 3928 wrote to memory of 3848 3928 csrss.exe 101 PID 3928 wrote to memory of 3848 3928 csrss.exe 101 PID 3928 wrote to memory of 3848 3928 csrss.exe 101 PID 3928 wrote to memory of 4384 3928 csrss.exe 104 PID 3928 wrote to memory of 4384 3928 csrss.exe 104 PID 3928 wrote to memory of 4384 3928 csrss.exe 104 PID 3928 wrote to memory of 3268 3928 csrss.exe 106 PID 3928 wrote to memory of 3268 3928 csrss.exe 106 PID 1808 wrote to memory of 2104 1808 windefender.exe 112 PID 1808 wrote to memory of 2104 1808 windefender.exe 112 PID 1808 wrote to memory of 2104 1808 windefender.exe 112 PID 2104 wrote to memory of 2788 2104 cmd.exe 113 PID 2104 wrote to memory of 2788 2104 cmd.exe 113 PID 2104 wrote to memory of 2788 2104 cmd.exe 113 -
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\7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe"C:\Users\Admin\AppData\Local\Temp\7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Users\Admin\AppData\Local\Temp\7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.exe"C:\Users\Admin\AppData\Local\Temp\7514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b.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:1196 -
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:1600
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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:2364 -
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:4236
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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:2348
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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:1668
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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:3928 -
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:1268
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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:4416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5032
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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:3848
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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:4384
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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:3268
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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:4428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1808 -
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:2104 -
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:2788
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1956
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
MD56dc6a918f1213a8f659b7a2a1de293be
SHA1cf02987fe323d4cf7ec202794253d7ccb7d4ffeb
SHA256d61d5af261d408cfe508dfbf4c907254a977cd37f5326e0947236a5754b69955
SHA51231f5a0f473cd369ba56aa84a0c816065cb97a0ff431105b33bf7374b5caf90edc5e93f5fd1d128ecefe3ea71cac17f6c06d2c9cc672b547fd8bec83aa7c4c5eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51543dac725210373c097b351d54b29ff
SHA1810b998685e0ced86833bd16e8bf6beca92131b0
SHA256f1cb2ab94a97497ef937e85c440707f18abf37bbeba88c8da94612cd34b434b6
SHA51255feece8a5f0cabb23976cae57d6790d77abfe7d86aa9a23059eb92259f4bc41e0273029ea82f1daf8b8ad9469165a160e4104a39b1873390fa940c1051f2d06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5272aa572593794856324061ff795a7a4
SHA15f1c583cce82f1cb0b79faa4439f3a878e8e5005
SHA256c830186e2831ec04a001e36645fe1d21b5deb0cf98053cfddffa9fa561ce3419
SHA512f049be167202110afa0af39f1f26b3103bfa50619dc348cf7505d70d63e54da1b694918d3e1267d73c86514445b72de932def24345593eac7419c37a04a0cca3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7b86b9c241d366247e113aedc6b187e
SHA1d54b52b7bd3e2d3e34a608f07f43c66581398ced
SHA25694aaa5fbbca288f0d17ac30233c4661a6e88c7a1ffa7081b2077b7388ddf9e00
SHA5121c430b832aff11b9901f1b0e87d2371149e0a99163cbf4d9d88289015dee9725c13f8052ee82b8a30a34fded8da3386cc4179ff7086c6ca43d522403209769c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe9a283ccd21b245af856ad1b5a69a93
SHA12930ff792062bcc31a522d08475bb474760c8c74
SHA256d87597f8a6ed108a18ad38388dac889a58d64ff653a318248b1bcafb8a1c4e8e
SHA512c3c486aec51b6b221c4d8dd127877a51a4b1071987849be0fe120fd001577ddc0d6797f3f124eaf2eaecfa1ea30b5996bfdbc09deee57db3c6ea634b44852e13
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Filesize
4.1MB
MD527e1a63cedffde5c50d471f45601e64a
SHA11e8d0b3b03e27652cdd8d06e781516ef525441e5
SHA2567514be74f07c017be8c456c853ee5b49ab3973bc59b690fbe418d822a056716b
SHA512e3545aca94e9d455dbd54d95ed2ff91dfa3c9ecd515b5bdf9d3e8af1573400c6e02f627503f16b7757916086ecba92393bc78aae7aeffea44487236a12fd4144
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec