Analysis
-
max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1032-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/1032-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1032-145-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/1032-144-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1032-185-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4228-184-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-264-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-268-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5048-272-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3828 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 5048 csrss.exe 948 injector.exe 3308 windefender.exe 2032 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002349b-220.dat upx behavioral1/memory/3308-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3308-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2032-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2032-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2032-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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.
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 created C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2276 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1516 powershell.exe 3672 powershell.exe 1188 powershell.exe 4164 powershell.exe 2356 powershell.exe 2288 powershell.exe 4536 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 4748 schtasks.exe 1064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe 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\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard 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" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-332 = "E. Europe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1188 powershell.exe 1188 powershell.exe 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4164 powershell.exe 4164 powershell.exe 4164 powershell.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 2356 powershell.exe 2356 powershell.exe 2356 powershell.exe 2288 powershell.exe 2288 powershell.exe 2288 powershell.exe 4536 powershell.exe 4536 powershell.exe 4536 powershell.exe 1516 powershell.exe 1516 powershell.exe 1516 powershell.exe 3672 powershell.exe 3672 powershell.exe 3672 powershell.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 5048 csrss.exe 5048 csrss.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 5048 csrss.exe 5048 csrss.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 5048 csrss.exe 5048 csrss.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Token: SeImpersonatePrivilege 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 3672 powershell.exe Token: SeSystemEnvironmentPrivilege 5048 csrss.exe Token: SeSecurityPrivilege 2276 sc.exe Token: SeSecurityPrivilege 2276 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exee90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1032 wrote to memory of 1188 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 85 PID 1032 wrote to memory of 1188 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 85 PID 1032 wrote to memory of 1188 1032 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 85 PID 4228 wrote to memory of 4164 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 95 PID 4228 wrote to memory of 4164 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 95 PID 4228 wrote to memory of 4164 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 95 PID 4228 wrote to memory of 2888 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 101 PID 4228 wrote to memory of 2888 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 101 PID 2888 wrote to memory of 3828 2888 cmd.exe 103 PID 2888 wrote to memory of 3828 2888 cmd.exe 103 PID 4228 wrote to memory of 2356 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 104 PID 4228 wrote to memory of 2356 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 104 PID 4228 wrote to memory of 2356 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 104 PID 4228 wrote to memory of 2288 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 106 PID 4228 wrote to memory of 2288 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 106 PID 4228 wrote to memory of 2288 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 106 PID 4228 wrote to memory of 5048 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 108 PID 4228 wrote to memory of 5048 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 108 PID 4228 wrote to memory of 5048 4228 e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a.exe 108 PID 5048 wrote to memory of 4536 5048 csrss.exe 109 PID 5048 wrote to memory of 4536 5048 csrss.exe 109 PID 5048 wrote to memory of 4536 5048 csrss.exe 109 PID 5048 wrote to memory of 1516 5048 csrss.exe 115 PID 5048 wrote to memory of 1516 5048 csrss.exe 115 PID 5048 wrote to memory of 1516 5048 csrss.exe 115 PID 5048 wrote to memory of 3672 5048 csrss.exe 117 PID 5048 wrote to memory of 3672 5048 csrss.exe 117 PID 5048 wrote to memory of 3672 5048 csrss.exe 117 PID 5048 wrote to memory of 948 5048 csrss.exe 119 PID 5048 wrote to memory of 948 5048 csrss.exe 119 PID 3308 wrote to memory of 840 3308 windefender.exe 125 PID 3308 wrote to memory of 840 3308 windefender.exe 125 PID 3308 wrote to memory of 840 3308 windefender.exe 125 PID 840 wrote to memory of 2276 840 cmd.exe 126 PID 840 wrote to memory of 2276 840 cmd.exe 126 PID 840 wrote to memory of 2276 840 cmd.exe 126 -
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:1032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
-
-
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:4228 -
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:4164
-
-
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:2888 -
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:3828
-
-
-
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:2356
-
-
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:2288
-
-
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:5048 -
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:4536
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1064
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1140
-
-
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:1516
-
-
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:3672
-
-
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:948
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4748
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3308 -
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:840 -
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:2276
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2032
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a1814f8691d708b111a4fbd8727655a
SHA1aa8cdddc15b8c27a35f018f2a681a29590485d6e
SHA256a3a52d50fc4171e86cb67e8981ba27705309196b166256bf23d1ffe85cecb83c
SHA512fe89ccdba968bd6fce62da65af17b9b8570197d6da4912e67a364ba7ab47c19a76771a15b1ede51c5706520dd924dfc7596f6daf04ef6df311fae617b3bddbca
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b583e67f29aa2b1ca61fb127c1458c0
SHA1abc146c57dd6175b7073537558509363f26dee11
SHA256299a5dbe99385aeffab4e346655018c54fa77281cf3bac375d7184b6712cc77f
SHA512f5281fe993efe641fafdc4ede8ce4f5fb099d2c156acdd4c838d0d3ab69d51d2ac8b793b34785d39b6285e1e32727edda3abbe20e7c3635d58ff25fdac7199f1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bad75a552252b4e8d8a51b521da30734
SHA18e89060fae8d67073dd467cb3d0e2f46603de8a6
SHA256e23982a194571826d580c39bab188ae21efc512d203f585cb00fc891d977e016
SHA51232dd294b294d6a572dbb7f6ee5932624c9fd70c39bc2d6da6aeb6ff461d740600f1e5b8d9ddc007874b5c78d2e00b3a7f830dc17e75e9fbb6e3af4b43fd0bc60
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ebc7c6e031d95a3d9a583553ddf4c71
SHA1eb354300d5b7972f232e375d4c2552a870079c22
SHA25685f284dea901b61ef88814c13c7cebc1122549e2165dcedd9a5d71dafcf96838
SHA5125eb3cf4ae8e642222d52cdeeff4930c60c9a42c2b7c6b9fa1eccd5d6872f2923802624988326f6f9f66ffdecf4d51097ea64d4052f8efb2edf284d39c822ed87
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d81122a20a7aa7a3f83bea067aac6d2
SHA1378901625e5537fe5e835ca180018b40b95ec1eb
SHA2563180282a4f4add833d4360458c8e8100ff86502875480a33d606b4f19b655644
SHA5120864a828444a4cfe1608b5dae96de9cfeffb99f327f692562da54eb16d295843a756f73e3c71366ce30d5a5998ec4a61ffc9a896202d367ea3ad7b96c69051f5
-
Filesize
4.1MB
MD5431ffbd5cab531fc94e9a9ce71a7c81c
SHA1bdf58c1a1dc88a135a6660522860c0eed6d0e614
SHA256e90492c4b12783557ded06e39e27c06bd30536ef25d0f0b2234234c5e141433a
SHA51226754556e757bbbc7996a102f4899669d37a7eba8a0626fac8a4440344e513f3eadf618cba6e47d144fbabffcaec7d8b37529fb1bff4a82027be682fddba0a44
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec