Analysis
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max time kernel
150s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:36
Static task
static1
Behavioral task
behavioral1
Sample
b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe
Resource
win10v2004-20240508-en
General
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Target
b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe
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Size
4.1MB
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MD5
d5f48a08e2e3406463731fbd2fa7efe3
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SHA1
ac7072f7abf4ce4b8f35d14f334d325018214131
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SHA256
b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d
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SHA512
15d090a20495c1726225b2a812429ca67c78da00e0881f3f63f7c5ea781c2e9e05e375a16344968ed1c442bb9cb12b8c0bd31a4c2ea6cf1303ce39ee3049c46f
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SSDEEP
98304:Md7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErD:ORMSLQaVNfPUP9FaqUIATxXaCdFFREnS
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1884-2-0x0000000004D70000-0x000000000565B000-memory.dmp family_glupteba behavioral2/memory/1884-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1884-54-0x0000000004D70000-0x000000000565B000-memory.dmp family_glupteba behavioral2/memory/1884-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1884-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2416-79-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2416-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-132-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-200-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4784-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2356 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4784 csrss.exe 1920 injector.exe 2392 windefender.exe 1904 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f5-209.dat upx behavioral2/memory/2392-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1904-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2392-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1904-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1904-225-0x0000000000400000-0x00000000008DF000-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\"" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.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 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 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe File created C:\Windows\rss\csrss.exe b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe File created 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 4964 sc.exe -
pid Process 3040 powershell.exe 3240 powershell.exe 1440 powershell.exe 1016 powershell.exe 3348 powershell.exe 4948 powershell.exe 32 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 2588 schtasks.exe 4156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard 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" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab 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)" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic 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,-2792 = "Novosibirsk Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.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" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard 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" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3040 powershell.exe 3040 powershell.exe 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 3240 powershell.exe 3240 powershell.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 1440 powershell.exe 1440 powershell.exe 1016 powershell.exe 1016 powershell.exe 3348 powershell.exe 3348 powershell.exe 4948 powershell.exe 4948 powershell.exe 32 powershell.exe 32 powershell.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 4784 csrss.exe 4784 csrss.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 4784 csrss.exe 4784 csrss.exe 4784 csrss.exe 4784 csrss.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe 1920 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Token: SeImpersonatePrivilege 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe Token: SeDebugPrivilege 3240 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 32 powershell.exe Token: SeSystemEnvironmentPrivilege 4784 csrss.exe Token: SeSecurityPrivilege 4964 sc.exe Token: SeSecurityPrivilege 4964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1884 wrote to memory of 3040 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 82 PID 1884 wrote to memory of 3040 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 82 PID 1884 wrote to memory of 3040 1884 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 82 PID 2416 wrote to memory of 3240 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 87 PID 2416 wrote to memory of 3240 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 87 PID 2416 wrote to memory of 3240 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 87 PID 2416 wrote to memory of 2752 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 89 PID 2416 wrote to memory of 2752 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 89 PID 2752 wrote to memory of 2356 2752 cmd.exe 91 PID 2752 wrote to memory of 2356 2752 cmd.exe 91 PID 2416 wrote to memory of 1440 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 92 PID 2416 wrote to memory of 1440 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 92 PID 2416 wrote to memory of 1440 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 92 PID 2416 wrote to memory of 1016 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 94 PID 2416 wrote to memory of 1016 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 94 PID 2416 wrote to memory of 1016 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 94 PID 2416 wrote to memory of 4784 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 96 PID 2416 wrote to memory of 4784 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 96 PID 2416 wrote to memory of 4784 2416 b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe 96 PID 4784 wrote to memory of 3348 4784 csrss.exe 97 PID 4784 wrote to memory of 3348 4784 csrss.exe 97 PID 4784 wrote to memory of 3348 4784 csrss.exe 97 PID 4784 wrote to memory of 4948 4784 csrss.exe 103 PID 4784 wrote to memory of 4948 4784 csrss.exe 103 PID 4784 wrote to memory of 4948 4784 csrss.exe 103 PID 4784 wrote to memory of 32 4784 csrss.exe 105 PID 4784 wrote to memory of 32 4784 csrss.exe 105 PID 4784 wrote to memory of 32 4784 csrss.exe 105 PID 4784 wrote to memory of 1920 4784 csrss.exe 107 PID 4784 wrote to memory of 1920 4784 csrss.exe 107 PID 2392 wrote to memory of 244 2392 windefender.exe 113 PID 2392 wrote to memory of 244 2392 windefender.exe 113 PID 2392 wrote to memory of 244 2392 windefender.exe 113 PID 244 wrote to memory of 4964 244 cmd.exe 114 PID 244 wrote to memory of 4964 244 cmd.exe 114 PID 244 wrote to memory of 4964 244 cmd.exe 114 -
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\b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe"C:\Users\Admin\AppData\Local\Temp\b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040
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C:\Users\Admin\AppData\Local\Temp\b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.exe"C:\Users\Admin\AppData\Local\Temp\b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d.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:2416 -
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:3240
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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:2752 -
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:2356
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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:1440
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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:1016
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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:4784 -
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:3348
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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:2588
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3460
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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:4948
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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:32
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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:1920
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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:4156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2392 -
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:244 -
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:4964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1904
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
MD54162f991a11f10c58f1b81c47f640064
SHA18fe6e83deac6745742a31eed0ec1955c3e9e4942
SHA2562e134a9a8ac8ab63990d7f50851b2d8269e579016fc8e6743598e98513637d1f
SHA51243fca2cde9432b741efc8ddf34aa1602e053f7d08aeb9b1ce291ebd87f6bfbee76a4c6d3cbe9278bf56fb07d339c8da033951b6d0050480c4c1e6185ad72ac7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac3185900d9f0f34ab0cfb514bb8d73a
SHA1c9d01c66d2ea5297a85eefba4be301f1f67888ba
SHA256214c33d7d44c374e82470ab5145ae08c343a804a9b97b2efb5552df80e2af485
SHA5125ac6757d680e58163408d46e339fac56e959815148a3d49848b8ffd7bbfc8be293aac92717f445869ee9a4d541571c5e15fb71b8e7697b84b204a7305ea297f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5951a86afb013aac8309884f8bf4a1227
SHA1d0381b1e36a95f101902e56f4e95bd003a36f98e
SHA256c81aa572e7f397b52a597dc53141135a72058ac38c92716b9515d624fde87dfd
SHA51202f7921cc364e8b4191115f27700368287402d52eedf5140f10ae586059b8f3f78091c2985984ab76fdc2025486e640d8f9660a5c8ad01a4062ce2531d07507c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50348ffdfdfbff1aa3c7c0a2764a4c85b
SHA187e06ca97474ff31b99da4ac14906f7d878e71b5
SHA2561ac12c1af3c1ce5fb8707d12d46dec01996a6f254a239fe55c6769610d4dcc61
SHA512d8b868885d66c115647fdbbc8ac64af99c22c8a2753901fb2aea28097a3193a70e94a9d1e5a689af6399cfdc4518d7564dac6051e73191254ec33787981efbec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52defddc32f32849b65a42df2c106e5a5
SHA1633ee04604456a97dec7d1d7a392fb50fadf6fce
SHA256ba5d79708b5b052c7d27611d6c3afa6fba00fe1673599739f9cb7218a4186c8a
SHA5125c00092927fdc6863964b8800cceb8a667de74298651d1005714bf22503de0761ca293c40ef2c71e753fbbb8c3289017dd779747e1b3886a9513f090c0b0a776
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Filesize
4.1MB
MD5d5f48a08e2e3406463731fbd2fa7efe3
SHA1ac7072f7abf4ce4b8f35d14f334d325018214131
SHA256b80e64e4418450b4580c3cd9cca87ff83be04acc66cc723f965be248cbd73b2d
SHA51215d090a20495c1726225b2a812429ca67c78da00e0881f3f63f7c5ea781c2e9e05e375a16344968ed1c442bb9cb12b8c0bd31a4c2ea6cf1303ce39ee3049c46f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec