Analysis
-
max time kernel
150s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe
Resource
win10v2004-20240508-en
General
-
Target
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe
-
Size
4.1MB
-
MD5
a14b0b2e7f23dc85719c9263ce9ca7d6
-
SHA1
9a72c6cf97417f1ea51bdd7b9a0651d6daeb9a10
-
SHA256
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d
-
SHA512
9d1e8618bc8dce2a7bd5879a8d8f53085c51fc66a296af7d0892663e2349e6d97c9817019b75f505423037906189940067839c602f822a75d916d0d4325bd672
-
SSDEEP
98304:r3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTx:r3/aer8lIiPc9ySnggpxAJiIuBVpFiil
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2764-2-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/2764-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2764-71-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2764-77-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/4700-123-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2764-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3516-194-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-213-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3516-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4244 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3516 csrss.exe 4748 injector.exe 2900 windefender.exe 1372 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e0-203.dat upx behavioral2/memory/2900-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2900-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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.
-
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\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 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 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe File created C:\Windows\rss\csrss.exe aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.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 1476 sc.exe -
pid Process 1188 powershell.exe 5108 powershell.exe 1464 powershell.exe 3936 powershell.exe 4972 powershell.exe 4640 powershell.exe 1216 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 4580 schtasks.exe 3920 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\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-662 = "Cen. Australia Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA 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)" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1216 powershell.exe 1216 powershell.exe 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 1188 powershell.exe 1188 powershell.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 5108 powershell.exe 5108 powershell.exe 1464 powershell.exe 1464 powershell.exe 3936 powershell.exe 3936 powershell.exe 4972 powershell.exe 4972 powershell.exe 4640 powershell.exe 4640 powershell.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 3516 csrss.exe 3516 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 3516 csrss.exe 3516 csrss.exe 4748 injector.exe 4748 injector.exe 3516 csrss.exe 3516 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Token: SeImpersonatePrivilege 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeSystemEnvironmentPrivilege 3516 csrss.exe Token: SeSecurityPrivilege 1476 sc.exe Token: SeSecurityPrivilege 1476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2764 wrote to memory of 1216 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 79 PID 2764 wrote to memory of 1216 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 79 PID 2764 wrote to memory of 1216 2764 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 79 PID 4700 wrote to memory of 1188 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 84 PID 4700 wrote to memory of 1188 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 84 PID 4700 wrote to memory of 1188 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 84 PID 4700 wrote to memory of 4840 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 86 PID 4700 wrote to memory of 4840 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 86 PID 4840 wrote to memory of 4244 4840 cmd.exe 88 PID 4840 wrote to memory of 4244 4840 cmd.exe 88 PID 4700 wrote to memory of 5108 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 89 PID 4700 wrote to memory of 5108 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 89 PID 4700 wrote to memory of 5108 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 89 PID 4700 wrote to memory of 1464 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 91 PID 4700 wrote to memory of 1464 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 91 PID 4700 wrote to memory of 1464 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 91 PID 4700 wrote to memory of 3516 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 93 PID 4700 wrote to memory of 3516 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 93 PID 4700 wrote to memory of 3516 4700 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 93 PID 3516 wrote to memory of 3936 3516 csrss.exe 94 PID 3516 wrote to memory of 3936 3516 csrss.exe 94 PID 3516 wrote to memory of 3936 3516 csrss.exe 94 PID 3516 wrote to memory of 4972 3516 csrss.exe 100 PID 3516 wrote to memory of 4972 3516 csrss.exe 100 PID 3516 wrote to memory of 4972 3516 csrss.exe 100 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4748 3516 csrss.exe 104 PID 3516 wrote to memory of 4748 3516 csrss.exe 104 PID 2900 wrote to memory of 2132 2900 windefender.exe 110 PID 2900 wrote to memory of 2132 2900 windefender.exe 110 PID 2900 wrote to memory of 2132 2900 windefender.exe 110 PID 2132 wrote to memory of 1476 2132 cmd.exe 111 PID 2132 wrote to memory of 1476 2132 cmd.exe 111 PID 2132 wrote to memory of 1476 2132 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
-
C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1216
-
-
C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.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:4700 -
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:1188
-
-
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:4840 -
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:4244
-
-
-
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:5108
-
-
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:1464
-
-
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:3516 -
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:3936
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4580
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4724
-
-
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:4972
-
-
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:4640
-
-
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:4748
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3920
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2900 -
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:2132 -
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:1476
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1372
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a66384259f13e0601fdfd7c4321c4bf1
SHA16df97df10cad28cca82bb35a1ae357ca79f73e82
SHA25682437ab588588bc394ed6ef379e32d45b484e58e8ad098d2c24bf6fa1d8751ef
SHA512cd3b3df53113775eb26bb900dfef503cd9743a2e229109282b3f1da6791e2b98fb942b1b56dffa5f17a3f1c52587a9820f7ecdadad22d1798dcb61935e289d9d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbd8e315b6fb114b4881abd8f54cb430
SHA1541ad954a3d8ad7677191e546b565c646f6b944f
SHA2563bdaf624dd0a5294c1506ff27498a85a3c8e8d2e4bf985d2d33894e8e8f3824a
SHA5121237d1b781974d52132815d761342026b7586b3a48e5cf938729261a8d4fbb4794b74f84d78b3d42b791556fa58f58754c5c9a2bb3e5b55a96f6b768914857f2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da80031175c02537bd3094230138415c
SHA164a94e693d70104bf9236d5fd80945e3686f6835
SHA25618d94c55171e8a9b8aeac49139f9f7a5da4b6a6717d2005a26b7d3072c91b76f
SHA5122b626b6ce8dc66e5b2a68296f029afb62630b38460658d0fc31d473c355acdd693a99eea70fb888e28109b4cd72134a0e6a560d15a3908459a1be166a4f9f72d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e768cfcd3c5f25c4b1ee9eb2bb6f718c
SHA1515d121355e2d2228ef5181ec35a66446d97fa31
SHA2567272b3493d79eb6b134f14557bbd3304fff1bf3b85976bf9ecc3c10187265387
SHA512862a1af17d01d954951acc1b1c3cf268edd4b4e09cd337117ec646b64937623e233b9129fd6b503585cac44ce2d3307deb0cfbad300f4eb5dab3eb85fbf9cb22
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506a3f8993beb975828b9049db11ceb70
SHA1f25eb4ca6109cf50d66af588730bcf65b61d22b2
SHA256868a84cf4af1503082f6d3cf535e32f2053e1cb0e83341e61a7d6520e06a35fe
SHA5129c04468f2b7f0aeaea547a357a95a353111dbf857a82805364228429d720e8a810e42a94ebb5565658dc14196a0965664d5e6b643ec9fdbfea104f0771227d8d
-
Filesize
4.1MB
MD5a14b0b2e7f23dc85719c9263ce9ca7d6
SHA19a72c6cf97417f1ea51bdd7b9a0651d6daeb9a10
SHA256aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d
SHA5129d1e8618bc8dce2a7bd5879a8d8f53085c51fc66a296af7d0892663e2349e6d97c9817019b75f505423037906189940067839c602f822a75d916d0d4325bd672
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec