Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-04-2024 22:24
Static task
static1
Behavioral task
behavioral1
Sample
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe
Resource
win10v2004-20240426-en
General
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Target
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe
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Size
4.2MB
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MD5
beede4d0585e0a11b1054be2553730f5
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SHA1
ab49455334841feca2a7c0dc9a06b74280807b5b
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SHA256
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1
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SHA512
d25d420849252850d64813dd7ec6df6fb27d43ed5d1cffa9cd8a2e9fb5b5779bd5b8d368253e7d6816fff8d210fc1f63f2df0439f088959ccf2421302fd2064a
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SSDEEP
98304:3amOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG1w:3Ty8Jy4o9ecZxQhwo8IinPG1w
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/5060-2-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral2/memory/5060-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/5060-100-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral2/memory/5060-98-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4904-172-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-201-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-213-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-217-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-221-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-225-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-229-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-233-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-237-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-241-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-245-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-249-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-253-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/2316-257-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1368 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2316 csrss.exe 2644 injector.exe 4088 windefender.exe 4428 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4088-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4088-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe -
Drops file in Windows directory 4 IoCs
Processes:
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe File created C:\Windows\rss\csrss.exe 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.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.
Processes:
sc.exepid process 3756 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2640 schtasks.exe 384 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exe56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exepowershell.exewindefender.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-2042 = "Eastern Standard Time (Mexico)" windefender.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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exepowershell.exe56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 400 powershell.exe 400 powershell.exe 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 3300 powershell.exe 3300 powershell.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe 1904 powershell.exe 1904 powershell.exe 996 powershell.exe 996 powershell.exe 3416 powershell.exe 3416 powershell.exe 1736 powershell.exe 1736 powershell.exe 4884 powershell.exe 4884 powershell.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2316 csrss.exe 2316 csrss.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2316 csrss.exe 2316 csrss.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2316 csrss.exe 2316 csrss.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe 2644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Token: SeImpersonatePrivilege 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 996 powershell.exe Token: SeDebugPrivilege 3416 powershell.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeSystemEnvironmentPrivilege 2316 csrss.exe Token: SeSecurityPrivilege 3756 sc.exe Token: SeSecurityPrivilege 3756 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5060 wrote to memory of 400 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 5060 wrote to memory of 400 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 5060 wrote to memory of 400 5060 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 3300 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 3300 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 3300 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 3756 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe cmd.exe PID 4904 wrote to memory of 3756 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe cmd.exe PID 3756 wrote to memory of 1368 3756 cmd.exe netsh.exe PID 3756 wrote to memory of 1368 3756 cmd.exe netsh.exe PID 4904 wrote to memory of 1904 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 1904 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 1904 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 996 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 996 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 996 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe powershell.exe PID 4904 wrote to memory of 2316 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe csrss.exe PID 4904 wrote to memory of 2316 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe csrss.exe PID 4904 wrote to memory of 2316 4904 56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe csrss.exe PID 2316 wrote to memory of 3416 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 3416 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 3416 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 1736 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 1736 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 1736 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 4884 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 4884 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 4884 2316 csrss.exe powershell.exe PID 2316 wrote to memory of 2644 2316 csrss.exe injector.exe PID 2316 wrote to memory of 2644 2316 csrss.exe injector.exe PID 4088 wrote to memory of 1016 4088 windefender.exe cmd.exe PID 4088 wrote to memory of 1016 4088 windefender.exe cmd.exe PID 4088 wrote to memory of 1016 4088 windefender.exe cmd.exe PID 1016 wrote to memory of 3756 1016 cmd.exe sc.exe PID 1016 wrote to memory of 3756 1016 cmd.exe sc.exe PID 1016 wrote to memory of 3756 1016 cmd.exe sc.exe -
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\56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe"C:\Users\Admin\AppData\Local\Temp\56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:400
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C:\Users\Admin\AppData\Local\Temp\56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.exe"C:\Users\Admin\AppData\Local\Temp\56eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1.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:4904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3300
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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:3756 -
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:1368
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:996
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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:2316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416
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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:2640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:228
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884
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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:2644
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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:384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4088 -
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:1016 -
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:3756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4428
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d40cbfe5c0b6dd994c7c50e312d57f63
SHA1c39c3532b50b25137671a3f0b4502be4924545a8
SHA256acc5733431f4314c46696fde1586c003ddb58cd09ffd7ada3eaad16d7a762426
SHA512b4cb62072fee6631984f4f6b023cb8a4195906229b2404ee506e1fa20033da1f22774642343c2974f70ba7fccbcb693abdd8a1fafb423957d2abc94db8aa2acd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5262d1ac55a6b9e83e0bbb98ea0033444
SHA199cb80c2c306cdac008e04b95c266ae81890bc4c
SHA256dd25b0fc0577a69a9357a01873973fc5c24914b7e6b2b1bf8d7eba4ad9f511cf
SHA512862fe9018d13abaffa6d148a2b8a40461527ed9a6533230958a82fb92bae16d904828de17fc84553ce5243231e47b438a3be04db7c201db3978ba53d94a79b9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ce6e609e22dffa49a69ab1676e92e56
SHA17d8da11d9ad090c0b1d095c6f9bf99a91f1ae6d8
SHA256271778cf4c733f40375d9aa5c283c9aba6f685c230d635cb04b0cb93b7e040b9
SHA512843fc6eb4de852bc858eeaaf94b727aab27a439147d4b2acfa64839feb290819bacc1e92ee7eb696b73026b30c8e49aa4710816b5e2593e6444d3b1be6637414
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e80233f9eecece86f9800bc46c15f8a
SHA13064c6ddbfa4bf791eddbcac7f81fb56e14fa7cb
SHA2569f98caecf4304cf7e7f2642b09d2618d346857721221f9466838c99f76f40c36
SHA51284bfea272526451ed1444c1647d2c488a239e43ac412c01c2e6efffefcfac7820eaf1037cee460050d9b2884bf17e15a0d40acba558e52461652a9d0cff71df2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573704420c2799b4f7255c7679bad1bf2
SHA1c47d1ffff75ecbb23c2f3d74f4cf2e723195d1bb
SHA256e6dcfbc58c7970f25a96372a646b75191cccf72fd2a40d9c243c4d2712a49fde
SHA5125bd93c5b19bdf6cea91b23168d17df6549fbdd9a142231a91caf63d58007e12da443736b8e25f5a19dfc8a259f66cf960b5853c77446022e189627b0c3760a33
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Filesize
4.2MB
MD5beede4d0585e0a11b1054be2553730f5
SHA1ab49455334841feca2a7c0dc9a06b74280807b5b
SHA25656eed934be1222618af346389f5efb590132beb943711cde882c4b72822b0ec1
SHA512d25d420849252850d64813dd7ec6df6fb27d43ed5d1cffa9cd8a2e9fb5b5779bd5b8d368253e7d6816fff8d210fc1f63f2df0439f088959ccf2421302fd2064a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec