Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:36
Static task
static1
Behavioral task
behavioral1
Sample
96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe
Resource
win10v2004-20240426-en
General
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Target
96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe
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Size
4.1MB
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MD5
2a2e6034d6068065824b9bf947a4a0d8
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SHA1
44fe8d3aff8641ee634b30f44e583269deee61b6
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SHA256
96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f
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SHA512
b089d2ed7e05c2839494753f5398c1c3ee86e51c34658eeb1c9e6bcdf2abd41b20ffacd9cdf0f86b325cb0e61fbd682dfc1395d3a87f7b0b23c9e855f3c57658
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTp8:FwqoWyv4yANjKQa7o2
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1652-2-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/1652-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-39-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1652-74-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/1652-73-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4880-75-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1652-100-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-124-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-201-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-212-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-215-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-217-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-221-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-224-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-227-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-230-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2648-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5020 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2648 csrss.exe 1176 injector.exe 4616 windefender.exe 3612 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa24-204.dat upx behavioral2/memory/4616-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3612-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4616-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3612-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3612-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe File created C:\Windows\rss\csrss.exe 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.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 2344 sc.exe -
pid Process 4732 powershell.exe 1524 powershell.exe 4928 powershell.exe 5072 powershell.exe 1948 powershell.exe 992 powershell.exe 2012 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 2464 schtasks.exe 3160 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 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\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard 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\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 992 powershell.exe 992 powershell.exe 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 2012 powershell.exe 2012 powershell.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 4732 powershell.exe 4732 powershell.exe 1524 powershell.exe 1524 powershell.exe 4928 powershell.exe 4928 powershell.exe 5072 powershell.exe 5072 powershell.exe 1948 powershell.exe 1948 powershell.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 2648 csrss.exe 2648 csrss.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 2648 csrss.exe 2648 csrss.exe 1176 injector.exe 1176 injector.exe 2648 csrss.exe 2648 csrss.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Token: SeImpersonatePrivilege 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeSystemEnvironmentPrivilege 2648 csrss.exe Token: SeSecurityPrivilege 2344 sc.exe Token: SeSecurityPrivilege 2344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1652 wrote to memory of 992 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 79 PID 1652 wrote to memory of 992 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 79 PID 1652 wrote to memory of 992 1652 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 79 PID 4880 wrote to memory of 2012 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 84 PID 4880 wrote to memory of 2012 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 84 PID 4880 wrote to memory of 2012 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 84 PID 4880 wrote to memory of 2064 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 86 PID 4880 wrote to memory of 2064 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 86 PID 2064 wrote to memory of 5020 2064 cmd.exe 88 PID 2064 wrote to memory of 5020 2064 cmd.exe 88 PID 4880 wrote to memory of 4732 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 89 PID 4880 wrote to memory of 4732 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 89 PID 4880 wrote to memory of 4732 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 89 PID 4880 wrote to memory of 1524 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 91 PID 4880 wrote to memory of 1524 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 91 PID 4880 wrote to memory of 1524 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 91 PID 4880 wrote to memory of 2648 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 93 PID 4880 wrote to memory of 2648 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 93 PID 4880 wrote to memory of 2648 4880 96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe 93 PID 2648 wrote to memory of 4928 2648 csrss.exe 94 PID 2648 wrote to memory of 4928 2648 csrss.exe 94 PID 2648 wrote to memory of 4928 2648 csrss.exe 94 PID 2648 wrote to memory of 5072 2648 csrss.exe 99 PID 2648 wrote to memory of 5072 2648 csrss.exe 99 PID 2648 wrote to memory of 5072 2648 csrss.exe 99 PID 2648 wrote to memory of 1948 2648 csrss.exe 102 PID 2648 wrote to memory of 1948 2648 csrss.exe 102 PID 2648 wrote to memory of 1948 2648 csrss.exe 102 PID 2648 wrote to memory of 1176 2648 csrss.exe 104 PID 2648 wrote to memory of 1176 2648 csrss.exe 104 PID 4616 wrote to memory of 384 4616 windefender.exe 110 PID 4616 wrote to memory of 384 4616 windefender.exe 110 PID 4616 wrote to memory of 384 4616 windefender.exe 110 PID 384 wrote to memory of 2344 384 cmd.exe 111 PID 384 wrote to memory of 2344 384 cmd.exe 111 PID 384 wrote to memory of 2344 384 cmd.exe 111 -
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\96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe"C:\Users\Admin\AppData\Local\Temp\96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:992
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C:\Users\Admin\AppData\Local\Temp\96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.exe"C:\Users\Admin\AppData\Local\Temp\96915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f.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:4880 -
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:2012
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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:2064 -
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:5020
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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:4732
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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:1524
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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:2648 -
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:4928
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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:2464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4676
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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:5072
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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:1948
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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:1176
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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:3160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4616 -
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:384 -
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:2344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3612
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4b49f40af8ef4488d31b13bb32deac4
SHA11a878dc5c06bd57b9133b4269ecd6568b68b4f4e
SHA256e31bb5f06ad30248a862ead48a99f4da6406faadaee08dd440a79336997fbd60
SHA51286a965e1c4bd21521312f244284dffbbace0357012910c887751c9299ece8e902d99f1ff2eb6d73d6f55885b4ab8ed8ed56dd67ea33e7fcf466c1f581b087a78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f90b77bace632f9fa2ea91e1ec7d875
SHA1001ce5c3a3dc4ea8e034d6438bbc40873d3848ee
SHA256a25dc962d00fe1b8ac2954dce985da9c437cfe70d22f87243e9ed17b5f3663a4
SHA5123597af083aa9e9b7d7c1b905e8a2660091a8d2e908bc8d7cf41cc4b9ea708113bc5963721d6b700a45316fe2cd0300ebb8e4b624e94a66c6e48d8a1cfbb73730
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50732480e0c1bf84ed18d1b63d901fa18
SHA146127c96f2d6c5b2dbe14cc8bc8165bc231df0a8
SHA256985156ad650040c88d651295c6705774636ad3a7ca4e3b25baed6d5014faf3a6
SHA51246dcd67b48c2693dbc9c214f1ef76d764fb185e228abf2de78a13e2e7bba18a6805d69cb1bfcf23cafb4f1292b2bffa1f11dfa6a36904121584e60bf630ae0a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5138b8875b8fc8f90d5a3bcd4652f7178
SHA153da9b5750d865504122bdeeafbc01aa261489b0
SHA25603a9f831ec7819be7037cb44e7ba4c51eeced168c5a87f095cf840589ae720a1
SHA51249d5d5d0b2cadb9150dead9bbd5d2e9ff53a030bc155ad8182a9e840637d776d9bd63ab660ecd6ed29a0368fff0e040c7fc0afafe3f57be4e45b1dba790b7119
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b144efd2b1bff13e3ba24cf40423c7f
SHA13db8c582d7287a1ec771079232cdba7836554fb8
SHA256b74d490aca9b843ab95b09d809774ba3ea424054184e6f0a5f7da58283c2e616
SHA512d6b830a9f6cbee420c4a02ba19a33cddbe80adb82e442adeff3edfc892ea26b3d8d98a18e571243d74a099d9bed5108719c2c109982af01d01c11208074e020b
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Filesize
4.1MB
MD52a2e6034d6068065824b9bf947a4a0d8
SHA144fe8d3aff8641ee634b30f44e583269deee61b6
SHA25696915c5dcdab08c9ae6164fee17da64ee9d27fd5ed729c66e2a182114a7f750f
SHA512b089d2ed7e05c2839494753f5398c1c3ee86e51c34658eeb1c9e6bcdf2abd41b20ffacd9cdf0f86b325cb0e61fbd682dfc1395d3a87f7b0b23c9e855f3c57658
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec