Analysis
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max time kernel
149s -
max time network
146s -
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, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe
Resource
win10v2004-20240412-en
General
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Target
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe
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Size
4.2MB
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MD5
9d5b3ce4eae736e3f07eb14565523e7a
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SHA1
bccb9a3ddc66b0610e9b88d379f19b6f39020ff3
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SHA256
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad
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SHA512
d88fe014c04bec3ff9e1715bf15014a15f40275df6d4b67c6e586886320b6f853bdd885f51391570981750d8f3298d36b56fcc8f5bad8c36aa23289d1f0b2c40
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeV:5w6rquKXDtU1Y2GYniVjUH8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3624-2-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral1/memory/3624-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3624-55-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/656-57-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral1/memory/656-58-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/656-159-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-271-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-277-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-283-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-289-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-291-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2032-293-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2032 csrss.exe 780 injector.exe 4332 windefender.exe 3676 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233eb-265.dat upx behavioral1/memory/4332-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe File created C:\Windows\rss\csrss.exe 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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 3328 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3172 3624 WerFault.exe 86 4932 656 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2332 schtasks.exe 2336 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,-92 = "Pacific SA Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-105 = "Central Brazilian Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey 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\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.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,-384 = "Namibia Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.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" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1892 powershell.exe 1892 powershell.exe 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 3096 powershell.exe 3096 powershell.exe 3096 powershell.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 4316 powershell.exe 4316 powershell.exe 4316 powershell.exe 2852 powershell.exe 2852 powershell.exe 2852 powershell.exe 4000 powershell.exe 4000 powershell.exe 4000 powershell.exe 3976 powershell.exe 3976 powershell.exe 3976 powershell.exe 1664 powershell.exe 1664 powershell.exe 1664 powershell.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 2032 csrss.exe 2032 csrss.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 2032 csrss.exe 2032 csrss.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 2032 csrss.exe 2032 csrss.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Token: SeImpersonatePrivilege 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 3976 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeSystemEnvironmentPrivilege 2032 csrss.exe Token: SeSecurityPrivilege 3328 sc.exe Token: SeSecurityPrivilege 3328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3624 wrote to memory of 1892 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 91 PID 3624 wrote to memory of 1892 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 91 PID 3624 wrote to memory of 1892 3624 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 91 PID 656 wrote to memory of 3096 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 99 PID 656 wrote to memory of 3096 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 99 PID 656 wrote to memory of 3096 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 99 PID 656 wrote to memory of 3120 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 101 PID 656 wrote to memory of 3120 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 101 PID 3120 wrote to memory of 2332 3120 cmd.exe 129 PID 3120 wrote to memory of 2332 3120 cmd.exe 129 PID 656 wrote to memory of 4316 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 104 PID 656 wrote to memory of 4316 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 104 PID 656 wrote to memory of 4316 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 104 PID 656 wrote to memory of 2852 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 106 PID 656 wrote to memory of 2852 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 106 PID 656 wrote to memory of 2852 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 106 PID 656 wrote to memory of 2032 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 109 PID 656 wrote to memory of 2032 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 109 PID 656 wrote to memory of 2032 656 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 109 PID 2032 wrote to memory of 4000 2032 csrss.exe 112 PID 2032 wrote to memory of 4000 2032 csrss.exe 112 PID 2032 wrote to memory of 4000 2032 csrss.exe 112 PID 2032 wrote to memory of 3976 2032 csrss.exe 120 PID 2032 wrote to memory of 3976 2032 csrss.exe 120 PID 2032 wrote to memory of 3976 2032 csrss.exe 120 PID 2032 wrote to memory of 1664 2032 csrss.exe 123 PID 2032 wrote to memory of 1664 2032 csrss.exe 123 PID 2032 wrote to memory of 1664 2032 csrss.exe 123 PID 2032 wrote to memory of 780 2032 csrss.exe 126 PID 2032 wrote to memory of 780 2032 csrss.exe 126 PID 4332 wrote to memory of 4656 4332 windefender.exe 133 PID 4332 wrote to memory of 4656 4332 windefender.exe 133 PID 4332 wrote to memory of 4656 4332 windefender.exe 133 PID 4656 wrote to memory of 3328 4656 cmd.exe 134 PID 4656 wrote to memory of 3328 4656 cmd.exe 134 PID 4656 wrote to memory of 3328 4656 cmd.exe 134 -
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\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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:656 -
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:3096
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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:3120 -
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:2332
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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:4316
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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:2852
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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:2032 -
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:4000
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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:2336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2504
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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:3976
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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:1664
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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:780
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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:2332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4332 -
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:4656 -
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:3328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 7323⤵
- Program crash
PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 7602⤵
- Program crash
PID:3172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3624 -ip 36241⤵PID:952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 656 -ip 6561⤵PID:4800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3676
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
MD5e0c2587fdff40b55fd50c68f4096fd0e
SHA1af9e2fec10c01a60d0591ce7db298b330c617b33
SHA25683d6bb14047d5d075d4a8aae34a8aad3ac5bcbd08a623968bfe09e9036ef08e5
SHA512b57984af4295c4bb61d09e3bd38bafc69c67ff7c96f72c8bd477f09a164ae714512f21fea3dfb0d52524c16fb20136ae25722c6e2a7f0cfd82f6e8b988ed454c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca36f4066cad3efd680d941e43d6a25a
SHA113543b97e505039616be4cf868a3bf4a0a563de1
SHA256b98b3a6c6c51d6ad2fd84147c0775c50450db9d92b72c5e386e86c8686e77bcc
SHA512bca1a45c5be00c4f6b466c1c666f50d4c90d43c6a9a6f16682f1c5299ce983c4180420f2c45d3e489056027c846ca1ee0a019cc1b4043a2b9e0d6f0ff6a21c44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d76b0e5761e3ca6e9b0cec9c725a0e29
SHA1b6bb04ae7914cdb2b8b40730416be16c180acb54
SHA2561dc70ca419e4cb8a82ce5d952cfb65819686e68cc04c5a1c1a652bd7b0d23331
SHA512a1669f476baef4bec386ce8956dff66330595ca5d2458eca8c5fa8d94882407399bd441b58c431fcd9a603ed6db108fb74f1e45f7966dca4697b013a7058a53a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535cbf563d4e83befe7995d4728e236a9
SHA19dde91400b6980e420af30d70f4c2e866f8d2a59
SHA256508d150ef98441229a3d84de12d3cc2cf9efd4baeb719269cb31a37b3fb7c99d
SHA51241cc2efc2bae4366ae5137c6b9bbf6dfb30e7230301c74443c63080b2210f116665d87f9be026ee57fafcce8f50f19cd27630ae7aded6e68df295c19fce58312
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b95844826d903876881210c2aa172888
SHA1f42e75f546a56c0bc169b685174ff4f5e9dc6ed2
SHA256fb3abc50570d3fe3729949e7b7a49cbd4e0834e10a8b8b3abae4776a310a4d59
SHA512c52f32b9e5c533877d83748141cf181b256fba96ef89460c0d8e5f385fc26be032aa243f9d85057150ec7f42afdeb20c3cb0b90e05d4c73ec66f29c331984ac0
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Filesize
4.2MB
MD59d5b3ce4eae736e3f07eb14565523e7a
SHA1bccb9a3ddc66b0610e9b88d379f19b6f39020ff3
SHA2563e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad
SHA512d88fe014c04bec3ff9e1715bf15014a15f40275df6d4b67c6e586886320b6f853bdd885f51391570981750d8f3298d36b56fcc8f5bad8c36aa23289d1f0b2c40
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec