Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe
Resource
win10v2004-20240508-en
General
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Target
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe
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Size
4.1MB
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MD5
0ed8d071deae90ff638cb070d0b9559d
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SHA1
9b39b4703ccd78d9ca56bbf2f4c168d71a7bcfda
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SHA256
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99
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SHA512
960a5a4e2b4f82bb7273cbab8bf622933c6e603cdc44b59b409c285b62c3a2c741bca7692ed77864520aa95c85a2f3fc31ddc9383caada588828d953346c2729
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SSDEEP
98304:lwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTp+:lwqoWyv4yANjKQa7oU
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3556-2-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/3556-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3556-40-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3556-53-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/3556-51-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/572-54-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3556-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/572-128-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-197-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-209-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-217-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-221-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-229-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-233-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-237-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-241-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1864-245-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2164 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1864 csrss.exe 1564 injector.exe 1952 windefender.exe 1740 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab2d-207.dat upx behavioral2/memory/1952-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1740-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1952-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1740-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1740-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1740-238-0x0000000000400000-0x00000000008DF000-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\"" csrss.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\"" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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\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 File created 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 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe File created C:\Windows\rss\csrss.exe 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4868 sc.exe -
pid Process 4632 powershell.exe 4480 powershell.exe 1648 powershell.exe 1720 powershell.exe 1636 powershell.exe 3296 powershell.exe 3840 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 2876 schtasks.exe 1612 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard 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\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1720 powershell.exe 1720 powershell.exe 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1636 powershell.exe 1636 powershell.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 3296 powershell.exe 3296 powershell.exe 3840 powershell.exe 3840 powershell.exe 4632 powershell.exe 4632 powershell.exe 4480 powershell.exe 4480 powershell.exe 1648 powershell.exe 1648 powershell.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1864 csrss.exe 1864 csrss.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1864 csrss.exe 1864 csrss.exe 1564 injector.exe 1564 injector.exe 1864 csrss.exe 1864 csrss.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe 1564 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Token: SeImpersonatePrivilege 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeSystemEnvironmentPrivilege 1864 csrss.exe Token: SeSecurityPrivilege 4868 sc.exe Token: SeSecurityPrivilege 4868 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3556 wrote to memory of 1720 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 81 PID 3556 wrote to memory of 1720 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 81 PID 3556 wrote to memory of 1720 3556 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 81 PID 572 wrote to memory of 1636 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 86 PID 572 wrote to memory of 1636 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 86 PID 572 wrote to memory of 1636 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 86 PID 572 wrote to memory of 568 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 88 PID 572 wrote to memory of 568 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 88 PID 568 wrote to memory of 2164 568 cmd.exe 90 PID 568 wrote to memory of 2164 568 cmd.exe 90 PID 572 wrote to memory of 3296 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 91 PID 572 wrote to memory of 3296 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 91 PID 572 wrote to memory of 3296 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 91 PID 572 wrote to memory of 3840 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 572 wrote to memory of 3840 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 572 wrote to memory of 3840 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 572 wrote to memory of 1864 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 95 PID 572 wrote to memory of 1864 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 95 PID 572 wrote to memory of 1864 572 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 95 PID 1864 wrote to memory of 4632 1864 csrss.exe 96 PID 1864 wrote to memory of 4632 1864 csrss.exe 96 PID 1864 wrote to memory of 4632 1864 csrss.exe 96 PID 1864 wrote to memory of 4480 1864 csrss.exe 101 PID 1864 wrote to memory of 4480 1864 csrss.exe 101 PID 1864 wrote to memory of 4480 1864 csrss.exe 101 PID 1864 wrote to memory of 1648 1864 csrss.exe 104 PID 1864 wrote to memory of 1648 1864 csrss.exe 104 PID 1864 wrote to memory of 1648 1864 csrss.exe 104 PID 1864 wrote to memory of 1564 1864 csrss.exe 106 PID 1864 wrote to memory of 1564 1864 csrss.exe 106 PID 1952 wrote to memory of 3144 1952 windefender.exe 112 PID 1952 wrote to memory of 3144 1952 windefender.exe 112 PID 1952 wrote to memory of 3144 1952 windefender.exe 112 PID 3144 wrote to memory of 4868 3144 cmd.exe 113 PID 3144 wrote to memory of 4868 3144 cmd.exe 113 PID 3144 wrote to memory of 4868 3144 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\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720
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C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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:572 -
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:1636
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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:568 -
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:2164
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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:3296
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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:3840
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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:1864 -
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:4632
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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:2876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4904
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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:4480
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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:1648
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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:1564
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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:1612
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1952 -
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:3144 -
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:4868
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1740
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
MD52c48a2a76cd57376b75621d291be2fd3
SHA157797530eaf2a0ce1164a0dc9843e6b818376179
SHA256bd5b6cf21d3602b33429ba91788a12f2e381dcb761eb7809c469370fcbb06540
SHA5128cfc891e5ad8e015a5a55f5528800eb9c96391b0127e00cc14098db84ca3e95c070909e8931167ecce7fcb0b0b06a72b768f7f26921abc1c0f66eb8037762123
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e997490ec52b1d573e26fbb57e6985a3
SHA18fe37a11de7bd9de9b23a6c2913d40f344fcffe8
SHA25673ae26031ecaa1dd566b695041bd599650913efcd7c19090006c8cfb72ae978b
SHA51222b0a1f91586039d715363414a03a8d4ff5c44c1e41dc49693b7393642eb1291a70aecf2736d72850452ad5ada740cc4392ce8ed79b94ccb6c32925cc9f31f72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bec18afb6dffcc3947b90000c31caea
SHA1f211c28bdc089b73f2263f963bc905ac273632ff
SHA256842a9cd4b766034d5f53d25a332cf707b5408ead3c74f724bead75158566cf86
SHA512a99fd0b069a4c58ec9fa8191a15ab5992bcb24bb8ba3c97941748b828722cb1118be37f4724c0dc13ded542e2d6f1a2bdcb4a81b3edf06ce5cb462f38bd87834
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1e9618adf8f3dd43e470a321f3782ce
SHA136a768bd6c83b940db597e4851fa9260dc39fbc6
SHA2563cb6c47490d49f716717d82299221869e7b1f6ef5a84752cc6cdb4e35a97d497
SHA5125370e7efe238afe3d66c691e70668f75e5316eac793c3c952fa789d9ddc14095e7dcece366a279f67b87da44953e6cf220626c9ef9758aadb249881679099b37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52db87365ff239c44c5ebf324bc8f3aa0
SHA16d57489eb145e0a4e17723d6270135e3697b3c78
SHA256d21730381ada07eae18b900f22bf072c5679f234b6c2ef2e1e22247dbccbed12
SHA5123f825fe27bb2f9d309fd0d4489afc059990c7050e79b504640a67d8473549cfa0338f922f03a61ef36bcff1ed51aff5263cb43293675e9f7adf7e0b47dd6a125
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Filesize
4.1MB
MD50ed8d071deae90ff638cb070d0b9559d
SHA19b39b4703ccd78d9ca56bbf2f4c168d71a7bcfda
SHA256691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99
SHA512960a5a4e2b4f82bb7273cbab8bf622933c6e603cdc44b59b409c285b62c3a2c741bca7692ed77864520aa95c85a2f3fc31ddc9383caada588828d953346c2729
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec