Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:33
Static task
static1
Behavioral task
behavioral1
Sample
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe
Resource
win10v2004-20240412-en
General
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Target
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe
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Size
4.2MB
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MD5
4109730986692b2b95241858cdbd65e2
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SHA1
7c9c016bcbaeaf6202791f081c8eb7f04d2c1ffb
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SHA256
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1
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SHA512
8f3f6f3b57169dd0ddd3190057db04935e8a7ca7442ae225f2c2563b61a4a321f7d8a4096da112226c8f8e1246a74aa40cfb73a775eeaef7c7af0a49462f63fa
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SSDEEP
98304:yS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORqq:jEcJzF4UNHqA/dsmoVS4YAf19i
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4368-2-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/4368-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4368-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4368-55-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/3068-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3068-133-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3068-154-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2244-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4908 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2244 csrss.exe 1516 injector.exe 380 windefender.exe 4260 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/380-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4260-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4260-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exee5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe -
Drops file in Windows directory 4 IoCs
Processes:
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 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 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1328 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 2840 schtasks.exe 4356 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.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\CA 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\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exepowershell.exee5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4960 powershell.exe 4960 powershell.exe 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 1960 powershell.exe 1960 powershell.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe 5048 powershell.exe 5048 powershell.exe 5048 powershell.exe 2560 powershell.exe 2560 powershell.exe 2560 powershell.exe 1352 powershell.exe 1352 powershell.exe 1352 powershell.exe 3444 powershell.exe 3444 powershell.exe 3444 powershell.exe 3768 powershell.exe 3768 powershell.exe 3768 powershell.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 2244 csrss.exe 2244 csrss.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 2244 csrss.exe 2244 csrss.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 2244 csrss.exe 2244 csrss.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Token: SeImpersonatePrivilege 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe Token: SeDebugPrivilege 1960 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 3444 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeSystemEnvironmentPrivilege 2244 csrss.exe Token: SeSecurityPrivilege 1328 sc.exe Token: SeSecurityPrivilege 1328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exee5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4368 wrote to memory of 4960 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 4368 wrote to memory of 4960 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 4368 wrote to memory of 4960 4368 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 1960 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 1960 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 1960 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 4296 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe cmd.exe PID 3068 wrote to memory of 4296 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe cmd.exe PID 4296 wrote to memory of 4908 4296 cmd.exe netsh.exe PID 4296 wrote to memory of 4908 4296 cmd.exe netsh.exe PID 3068 wrote to memory of 5048 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 5048 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 5048 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 2560 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 2560 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 2560 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe powershell.exe PID 3068 wrote to memory of 2244 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe csrss.exe PID 3068 wrote to memory of 2244 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe csrss.exe PID 3068 wrote to memory of 2244 3068 e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe csrss.exe PID 2244 wrote to memory of 1352 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 1352 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 1352 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3444 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3444 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3444 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3768 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3768 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 3768 2244 csrss.exe powershell.exe PID 2244 wrote to memory of 1516 2244 csrss.exe injector.exe PID 2244 wrote to memory of 1516 2244 csrss.exe injector.exe PID 380 wrote to memory of 3728 380 windefender.exe cmd.exe PID 380 wrote to memory of 3728 380 windefender.exe cmd.exe PID 380 wrote to memory of 3728 380 windefender.exe cmd.exe PID 3728 wrote to memory of 1328 3728 cmd.exe sc.exe PID 3728 wrote to memory of 1328 3728 cmd.exe sc.exe PID 3728 wrote to memory of 1328 3728 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\e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe"C:\Users\Admin\AppData\Local\Temp\e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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C:\Users\Admin\AppData\Local\Temp\e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.exe"C:\Users\Admin\AppData\Local\Temp\e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1.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:3068 -
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:1960
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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:4296 -
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:4908
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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:5048
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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:2560
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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:2244 -
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:1352
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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:2840
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3332
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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:3444
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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:3768
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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:1516
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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:4356
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:380 -
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:3728 -
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:1328
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4260
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5510c9667573a4a4156673b69b2bbd060
SHA171d64f25b399c95af0f85c307bfaf3c9d0a64393
SHA25608e63ab00c05da1f98057769ac6a458d896ac114ea1df022e29babc589b99b16
SHA51240d7e5e8ea78c95338816ba23f619f8d18dcdebacbefc88f22c017dc05bbfc42b39407f41f603bad0585859417835fca859c478e59754b18e391e5e2a365f6a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f5c161b49a3e7db5bfd8ae284d25e06
SHA18c9cb9c33ba7f182e56e90b2fd68951e7ac33255
SHA256cec15a5e43cda3af91c4ac8a8378a4a1b0483dd96aa69dd97481ad6fd0b4c47a
SHA5128eff10a893cd94e6144323b217a2211462a361dad4275b5f8bf3309cab302f07256cc0a6aa98d2384718e6578ebdc47207f8a23b9b90694243127b9498be1f5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c021ed8f0d242843407ac46b903c6387
SHA14a82d51d82bbf5e67a4fd19c06b689f6b4b10711
SHA25627a1be34d2f1be9c6f2b65648b5695d79d15900dcf50c9507b0d79cf50270964
SHA512f0eff4625e083220718a59b4533ce3a22587fed89d7abf29c7e5818f864585dadbf5757a101b31f048e360bc23906cb71a1d3351dc7603569ffca33063f8068b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f52cc2a68ebf7cfe3f7a5c1d4856aac3
SHA1474b248203ae4a0e62041f1634805da53a171906
SHA2560ae6b03212a100a9c2a2c4452e98fcb1d1a5dcd9ad39debcb4194613fac4c599
SHA512e54867ad79e9cda17e1ead7f76ba271491f13f2a482a84ee21d522354bbec30f7f58d1767a72002f1b3abf86790cc9b835ade8a2a9395d01a5ccf27336eea4de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b81f272e1dde0354a3f53f852a761c7
SHA168acf4e672c3fe0c92a0be59113a0c471cdeaccb
SHA256b86ca321d42774726c5ec9774e3ee7ed61369bc18215e81f44e6e090a43c70cf
SHA512af5393a2bb05b3280158be467e9afaa3177fd64e895c214f242b835404b8be099e3f0ce62713941f78c0ff712299606e52d71303b28d3065981057d261b40141
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Filesize
4.2MB
MD54109730986692b2b95241858cdbd65e2
SHA17c9c016bcbaeaf6202791f081c8eb7f04d2c1ffb
SHA256e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1
SHA5128f3f6f3b57169dd0ddd3190057db04935e8a7ca7442ae225f2c2563b61a4a321f7d8a4096da112226c8f8e1246a74aa40cfb73a775eeaef7c7af0a49462f63fa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec