Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 20:45
Static task
static1
Behavioral task
behavioral1
Sample
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe
Resource
win10v2004-20240426-en
General
-
Target
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe
-
Size
4.1MB
-
MD5
431ffbd5cab531fc94e9a9ce71a7c81c
-
SHA1
bdf58c1a1dc88a135a6660522860c0eed6d0e614
-
SHA256
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a
-
SHA512
26754556e757bbbc7996a102f4899669d37a7eba8a0626fac8a4440344e513f3eadf618cba6e47d144fbabffcaec7d8b37529fb1bff4a82027be682fddba0a44
-
SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN4:DzgmDywQg+foZ8mw6Sa
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/5024-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/5024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5024-98-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/5024-96-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5024-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/544-157-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-200-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4600-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4640 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4600 csrss.exe 2028 injector.exe 2348 windefender.exe 956 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa36-204.dat upx behavioral2/memory/2348-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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\"" csrss.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\"" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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.
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 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 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:
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe File created C:\Windows\rss\csrss.exe e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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.
Processes:
sc.exepid Process 2572 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3332 powershell.exe 3292 powershell.exe 1416 powershell.exe 1444 powershell.exe 1656 powershell.exe 2828 powershell.exe 3904 powershell.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 1828 schtasks.exe 5052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-2872 = "Magallanes 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" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-592 = "Malay Peninsula 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" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe 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\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1656 powershell.exe 1656 powershell.exe 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 2828 powershell.exe 2828 powershell.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 3904 powershell.exe 3904 powershell.exe 3332 powershell.exe 3332 powershell.exe 3292 powershell.exe 3292 powershell.exe 1416 powershell.exe 1416 powershell.exe 1444 powershell.exe 1444 powershell.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 4600 csrss.exe 4600 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 4600 csrss.exe 4600 csrss.exe 2028 injector.exe 2028 injector.exe 4600 csrss.exe 4600 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Token: SeImpersonatePrivilege 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 1416 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeSystemEnvironmentPrivilege 4600 csrss.exe Token: SeSecurityPrivilege 2572 sc.exe Token: SeSecurityPrivilege 2572 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5024 wrote to memory of 1656 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 79 PID 5024 wrote to memory of 1656 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 79 PID 5024 wrote to memory of 1656 5024 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 79 PID 544 wrote to memory of 2828 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 84 PID 544 wrote to memory of 2828 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 84 PID 544 wrote to memory of 2828 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 84 PID 544 wrote to memory of 2420 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 86 PID 544 wrote to memory of 2420 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 86 PID 2420 wrote to memory of 4640 2420 cmd.exe 88 PID 2420 wrote to memory of 4640 2420 cmd.exe 88 PID 544 wrote to memory of 3904 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 89 PID 544 wrote to memory of 3904 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 89 PID 544 wrote to memory of 3904 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 89 PID 544 wrote to memory of 3332 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 91 PID 544 wrote to memory of 3332 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 91 PID 544 wrote to memory of 3332 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 91 PID 544 wrote to memory of 4600 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 93 PID 544 wrote to memory of 4600 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 93 PID 544 wrote to memory of 4600 544 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 93 PID 4600 wrote to memory of 3292 4600 csrss.exe 94 PID 4600 wrote to memory of 3292 4600 csrss.exe 94 PID 4600 wrote to memory of 3292 4600 csrss.exe 94 PID 4600 wrote to memory of 1416 4600 csrss.exe 99 PID 4600 wrote to memory of 1416 4600 csrss.exe 99 PID 4600 wrote to memory of 1416 4600 csrss.exe 99 PID 4600 wrote to memory of 1444 4600 csrss.exe 102 PID 4600 wrote to memory of 1444 4600 csrss.exe 102 PID 4600 wrote to memory of 1444 4600 csrss.exe 102 PID 4600 wrote to memory of 2028 4600 csrss.exe 104 PID 4600 wrote to memory of 2028 4600 csrss.exe 104 PID 2348 wrote to memory of 2592 2348 windefender.exe 110 PID 2348 wrote to memory of 2592 2348 windefender.exe 110 PID 2348 wrote to memory of 2592 2348 windefender.exe 110 PID 2592 wrote to memory of 2572 2592 cmd.exe 111 PID 2592 wrote to memory of 2572 2592 cmd.exe 111 PID 2592 wrote to memory of 2572 2592 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\e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe"C:\Users\Admin\AppData\Local\Temp\e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
-
-
C:\Users\Admin\AppData\Local\Temp\e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe"C:\Users\Admin\AppData\Local\Temp\e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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:544 -
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:2828
-
-
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:2420 -
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:4640
-
-
-
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:3904
-
-
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:3332
-
-
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:4600 -
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:3292
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1828
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3452
-
-
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:1416
-
-
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:1444
-
-
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:2028
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5052
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2348 -
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:2592 -
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:2572
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:956
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
MD52207597ed4823271f0ef4fbd96ff9890
SHA13b43efa33dbe36a2e037c6096e957407a38205c1
SHA2563b8febaf2802d923cb8ba316266f1a2657e24d17e133581438f1e67379d59779
SHA512e94a52256573f62c7a43208a65e90db67b700b34d5bf404443d387b670f4c08cfc22066ed73e05eccdbec4896eae8b2e14c0ca0d90cf5a5dca2cb5a0fe05f1ce
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bd0c7eae6b7d6309fdc39926c193f9a
SHA1716781d4297537c61168063cd3d74664acc3e043
SHA2565106bfb7d009bcd5cfe49cebc103093031e9ef1438f7e834e0121e2ae6090e42
SHA5127e6f23b4fecdf4bf2565a2b5754a93b7418656c4eddb12dea46c4a64941bb1ac49b2f03b32085443f5fd53b5b8f848ee50653268f0ac8d55fc59d008a70138dd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547feebda6cf4857033b7f810c158fe0a
SHA1bc1fb8e644db68f4685d6d7de198d018d0281c01
SHA25688a2432f92d713de8e949fae1bf642e5231656dfc14ad694bef5fa7a37e076e3
SHA5122495e7078643cb6d0119a975c2527846892e0e1d75b79868494fa644db46aa0e64b85882930b8562866cb0523a144c6cf21081e58caf0524a1ec74b9dc9a1df8
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efbbb4593cf15778dfd33fccdc8444cf
SHA183ad382649837df498daf141c2cfda08ddfd8c28
SHA256ad897d8d808db7706ac66d2a2f4a8358f65201d4de07fb9e0dab692b4f7266ae
SHA51255399f4058dc2b2681d460384e7c52366ec4476d35cae046c5a897b3a87d499ebca80f225d27e53369142d72ae9b2b104b845c02d3c78aeb822ca40d98bb92d1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4ef08f32686d8bea273f40bfb0f2145
SHA106cc10ab4d291b87e5458b655be162e3c356f27d
SHA256ca10ae217f1f07e343bd334731550a60f1ec77ae2a25e5c4b7a83c0eced77a9e
SHA512fdbaf9c29141cb9c81d2b99e8f0e9d5769726958c1f1433451a06ac4e233bb53d299f8a0d3c9869e5b87bfee22fa953abdcfcf22453ae42543029c540069393a
-
Filesize
4.1MB
MD5431ffbd5cab531fc94e9a9ce71a7c81c
SHA1bdf58c1a1dc88a135a6660522860c0eed6d0e614
SHA256e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a
SHA51226754556e757bbbc7996a102f4899669d37a7eba8a0626fac8a4440344e513f3eadf618cba6e47d144fbabffcaec7d8b37529fb1bff4a82027be682fddba0a44
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec