Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe
Resource
win10v2004-20240412-en
General
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Target
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe
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Size
4.2MB
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MD5
43866a3d3e55a5c1b21135648fdb02f1
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SHA1
39396652f940dec4e8d7f4c116ce2665a5bf7b31
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SHA256
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f
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SHA512
c55c829bce33deee5d56cbd2a80e5d36c3346e75970e12578cfaf988a53fb231349879f947c98bbc2ef68364c971d1acb3094434a09af53fc06d24892b1b64f6
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SSDEEP
98304:voZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJee:v3OuIEug7vwUGt7S+nKo
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/548-2-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/548-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1612-46-0x0000000003EC0000-0x00000000047AB000-memory.dmp family_glupteba behavioral1/memory/1612-48-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/548-50-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/548-76-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1612-142-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1612-149-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-248-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-261-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4996-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4996 csrss.exe 5100 injector.exe 3700 windefender.exe 2504 windefender.exe -
resource yara_rule behavioral1/files/0x000c0000000006c1-251.dat upx behavioral1/memory/3700-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2504-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2504-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\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 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 -
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 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe File created C:\Windows\rss\csrss.exe 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.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 1956 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4648 4724 WerFault.exe 91 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3744 schtasks.exe 4108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.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\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4724 powershell.exe 4724 powershell.exe 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 856 powershell.exe 856 powershell.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 1136 powershell.exe 1136 powershell.exe 3228 powershell.exe 3228 powershell.exe 5116 powershell.exe 5116 powershell.exe 4488 powershell.exe 4488 powershell.exe 4476 powershell.exe 4476 powershell.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4996 csrss.exe 4996 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4996 csrss.exe 4996 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4996 csrss.exe 4996 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Token: SeImpersonatePrivilege 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeSystemEnvironmentPrivilege 4996 csrss.exe Token: SeSecurityPrivilege 1956 sc.exe Token: SeSecurityPrivilege 1956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 548 wrote to memory of 4724 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 548 wrote to memory of 4724 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 548 wrote to memory of 4724 548 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 1612 wrote to memory of 856 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 100 PID 1612 wrote to memory of 856 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 100 PID 1612 wrote to memory of 856 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 100 PID 1612 wrote to memory of 4476 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 118 PID 1612 wrote to memory of 4476 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 118 PID 4476 wrote to memory of 4756 4476 cmd.exe 104 PID 4476 wrote to memory of 4756 4476 cmd.exe 104 PID 1612 wrote to memory of 1136 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 105 PID 1612 wrote to memory of 1136 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 105 PID 1612 wrote to memory of 1136 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 105 PID 1612 wrote to memory of 3228 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 107 PID 1612 wrote to memory of 3228 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 107 PID 1612 wrote to memory of 3228 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 107 PID 1612 wrote to memory of 4996 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 109 PID 1612 wrote to memory of 4996 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 109 PID 1612 wrote to memory of 4996 1612 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 109 PID 4996 wrote to memory of 5116 4996 csrss.exe 110 PID 4996 wrote to memory of 5116 4996 csrss.exe 110 PID 4996 wrote to memory of 5116 4996 csrss.exe 110 PID 4996 wrote to memory of 4488 4996 csrss.exe 116 PID 4996 wrote to memory of 4488 4996 csrss.exe 116 PID 4996 wrote to memory of 4488 4996 csrss.exe 116 PID 4996 wrote to memory of 4476 4996 csrss.exe 118 PID 4996 wrote to memory of 4476 4996 csrss.exe 118 PID 4996 wrote to memory of 4476 4996 csrss.exe 118 PID 4996 wrote to memory of 5100 4996 csrss.exe 120 PID 4996 wrote to memory of 5100 4996 csrss.exe 120 PID 3700 wrote to memory of 4276 3700 windefender.exe 126 PID 3700 wrote to memory of 4276 3700 windefender.exe 126 PID 3700 wrote to memory of 4276 3700 windefender.exe 126 PID 4276 wrote to memory of 1956 4276 cmd.exe 127 PID 4276 wrote to memory of 1956 4276 cmd.exe 127 PID 4276 wrote to memory of 1956 4276 cmd.exe 127 -
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\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 25643⤵
- Program crash
PID:4648
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C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.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:1612 -
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:856
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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:4476 -
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:4756
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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:1136
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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:3228
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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:4996 -
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:5116
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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:3744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3264
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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:4488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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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:5100
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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:4108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3700 -
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:4276 -
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:1956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4724 -ip 47241⤵PID:2748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2504
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
MD55944f28de200eb4f8864db4afe195c81
SHA1c211d54e22c63ec40bc4e79ffb65546a96e959a0
SHA256e86f6b492ff3bd86e1cd117cc656fab956f9dbf1a203d26c4cd9810f523508d7
SHA512db69ec5a33936c9360ce1de135bb5c89e4e37eacc8d3e37c4d9ad7068f15386f7e292f36086a59a1c6ce759e7cf40b713ec12807a34319e3f03c3059b58e0c95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f40eb642ddd793eba3583d142fcf2fe5
SHA184b93aebd8230e78d97fd73df94bba4f96c66a42
SHA256ca9d2fe2d1109559c0ac6506c70b4b436fda011c72b8f33c5dd0df30280cd9ee
SHA512bab5166de0a77a4a56d89828454bd6bbc67756861ee5b895fb5a77d3d70e9f0165c8b60aa5b4652dff0d7bbc519cbbd3c45844501af15bde34f6835dc2a6175d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aefa147833617ef7877cee192d6d677c
SHA17a3bca21b21ff7caa2572b64459e5937721bc673
SHA256ba510c310d1219b0ffd44b9a18469a70e8bc8b0ad8bf2b823ba6a6546f12ada3
SHA5125e4e86f3b226a85a1c2b96f928198882e7f90edbb77c848d34b433883e6c7eb14a8907a2e67722c7159d36aa18637ed29c31b70023c845b781f738b76e7f89d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5583b610e3413ca08d9b87871bd92da70
SHA1399519c2344f2e3acd3a9294a54ba9c5daf560cc
SHA2568652e458b3f4e42f00105fa1cd6f0155d083c701e62f5fa86e8e98901b65476f
SHA51238a417621408e579402f15febc56c5365d2a9699fad8303a2b7e22c545423af11d9a98aa119e761541bcdc15fbcf416d80302a4ba8b8188f03707b97e6020d6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbdcf55d97b61dcc8ef39784b102feb5
SHA1c17dcff6477b9cd218e1454d7771abff45cb275f
SHA25675b40cacfa15958933f91ec81f4db12f2ada2969ee0b7ff1b5c8f84bd7059e71
SHA5125629b74e5b83ae100aa1167df77f9313d640c65ed7930e9a449e4497ec2ddb5222ebc9727a6707a8c624957d2d8865a7c5f8a83bf509ffc6d3f1dbf90d8e443e
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Filesize
4.2MB
MD543866a3d3e55a5c1b21135648fdb02f1
SHA139396652f940dec4e8d7f4c116ce2665a5bf7b31
SHA2562a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f
SHA512c55c829bce33deee5d56cbd2a80e5d36c3346e75970e12578cfaf988a53fb231349879f947c98bbc2ef68364c971d1acb3094434a09af53fc06d24892b1b64f6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec