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Analysis
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max time kernel
149s -
max time network
150s -
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, 01:31
Static task
static1
Behavioral task
behavioral1
Sample
e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe
Resource
win10v2004-20240508-en
General
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Target
e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe
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Size
4.1MB
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MD5
7292c71affd41e6a61b738a35c671ee7
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SHA1
4d09f11f969849d270a2eaf518da95849f7c0b6a
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SHA256
e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94
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SHA512
b9ae6346ce99132b9cdd50cc418d893ea6f966c5ed82ab5fa02664467d12d87f5831a6f3d932d19864b10c8568eea68bb77890b4b8e86c39da0287c3cf73557b
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SSDEEP
98304:Cf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PFz:xos8riuQnYS21lsngzdH/0gd
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral2/memory/584-116-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2272-122-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-196-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-206-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-209-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-212-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-215-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-218-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-224-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-230-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-236-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1936-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2584 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1936 csrss.exe 2128 injector.exe 3036 windefender.exe 1052 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa05-200.dat upx behavioral2/memory/3036-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe -
Drops file in Windows directory 4 IoCs
description 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 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe File created C:\Windows\rss\csrss.exe e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4792 sc.exe -
pid Process 1732 powershell.exe 1568 powershell.exe 4440 powershell.exe 3568 powershell.exe 764 powershell.exe 4460 powershell.exe 4328 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4120 schtasks.exe 2340 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight 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" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1568 powershell.exe 1568 powershell.exe 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 4440 powershell.exe 4440 powershell.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 3568 powershell.exe 3568 powershell.exe 764 powershell.exe 764 powershell.exe 4460 powershell.exe 4460 powershell.exe 4328 powershell.exe 4328 powershell.exe 1732 powershell.exe 1732 powershell.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 1936 csrss.exe 1936 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 1936 csrss.exe 1936 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 1936 csrss.exe 1936 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Token: SeImpersonatePrivilege 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeSystemEnvironmentPrivilege 1936 csrss.exe Token: SeSecurityPrivilege 4792 sc.exe Token: SeSecurityPrivilege 4792 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 584 wrote to memory of 1568 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 81 PID 584 wrote to memory of 1568 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 81 PID 584 wrote to memory of 1568 584 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 81 PID 2272 wrote to memory of 4440 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 87 PID 2272 wrote to memory of 4440 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 87 PID 2272 wrote to memory of 4440 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 87 PID 2272 wrote to memory of 3860 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 89 PID 2272 wrote to memory of 3860 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 89 PID 3860 wrote to memory of 2584 3860 cmd.exe 91 PID 3860 wrote to memory of 2584 3860 cmd.exe 91 PID 2272 wrote to memory of 3568 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 92 PID 2272 wrote to memory of 3568 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 92 PID 2272 wrote to memory of 3568 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 92 PID 2272 wrote to memory of 764 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 94 PID 2272 wrote to memory of 764 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 94 PID 2272 wrote to memory of 764 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 94 PID 2272 wrote to memory of 1936 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 96 PID 2272 wrote to memory of 1936 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 96 PID 2272 wrote to memory of 1936 2272 e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe 96 PID 1936 wrote to memory of 4460 1936 csrss.exe 97 PID 1936 wrote to memory of 4460 1936 csrss.exe 97 PID 1936 wrote to memory of 4460 1936 csrss.exe 97 PID 1936 wrote to memory of 4328 1936 csrss.exe 103 PID 1936 wrote to memory of 4328 1936 csrss.exe 103 PID 1936 wrote to memory of 4328 1936 csrss.exe 103 PID 1936 wrote to memory of 1732 1936 csrss.exe 105 PID 1936 wrote to memory of 1732 1936 csrss.exe 105 PID 1936 wrote to memory of 1732 1936 csrss.exe 105 PID 1936 wrote to memory of 2128 1936 csrss.exe 107 PID 1936 wrote to memory of 2128 1936 csrss.exe 107 PID 3036 wrote to memory of 3248 3036 windefender.exe 113 PID 3036 wrote to memory of 3248 3036 windefender.exe 113 PID 3036 wrote to memory of 3248 3036 windefender.exe 113 PID 3248 wrote to memory of 4792 3248 cmd.exe 114 PID 3248 wrote to memory of 4792 3248 cmd.exe 114 PID 3248 wrote to memory of 4792 3248 cmd.exe 114 -
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\e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe"C:\Users\Admin\AppData\Local\Temp\e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568
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C:\Users\Admin\AppData\Local\Temp\e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.exe"C:\Users\Admin\AppData\Local\Temp\e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94.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:2272 -
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:4440
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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:3860 -
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:2584
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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:3568
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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:764
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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:1936 -
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:4460
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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:4120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3312
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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:4328
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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:1732
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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:2128
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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:2340
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3036 -
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:3248 -
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:4792
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1052
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b2969e7044a32422df88b0c6e7ceaae8
SHA195ea2e310cb88e6bf9100680b464b79067b2e572
SHA2561f3aa0c71a623e8a02f0e99c4be6f4ce407c3a046bfffcd5f7ae075f68e793aa
SHA512c55a3104b3bae87d39f1c138b70a20cfe9320830775844e84f98df08fee9b55fa0ad6daa3105ed49917641d12c4a7e25fb8b9d20aa7c5b8b093850353a482308
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b22d954f0033f851a61635a27588df9
SHA10220cac41ba54519b5b7c5149def0d6d3397127c
SHA256ac657ef1caa4ee934a6d0f6fea583c5a61e16f2a156cfad2c617bec608ff5dd3
SHA51273893f138d9fbe2bb69ba58569d4dfd4368cf188a91c991a81ab27c6666f4a6358caf704bef94bd5f29cf76ca87d116865578c3adffb63d3ae4a3c94856c031d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c06db539aadb90d43ac93b9fbad1b7c
SHA1bd5d5715da7182d2cbdc7ca2975c9e09e354bd58
SHA25686cf2a50122ca9a987087709d2b246c03b9d2c263feca39419baafa9c338539f
SHA512694b236e404d3e7bc901de80c580821294e9cd2885130af6e5c1a5a8ea5821d6ff9f43b3697ce74104b64cbe61fb5c857f536452de2345f558607f09480d0b69
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7ec927c97df84800ac020b96b2799eb
SHA17501c1fef11e5b0ab2d18be0cabc1cb780d3441e
SHA2560ebfb2670b2ff97f0e34492cd6f61091dfacb0d4abde368dc4d2418f57397cb8
SHA512d75a1b3d6796e68139f700710afa5af17d1ca1f258f3d06663afe7afd70d566a207329ec9b1d089d792d53e320ab2af87fbfebc10515c918a10c3f564768a433
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fbf5b358963c0a749bbdc860870dc6e0
SHA1487469ecf60ae8a7c7c37b5a985a0081d8bfbee9
SHA256b8c4c97512477e996fbcea413fa001251d5572407e0f657d782f90939e3a5e21
SHA512360b26ccf4a2afba7ac7ec90dbfe47f305d52e0af31476a0dc7a65e230ba5f3dfe9db954fabcdfe7faa190caef6bdf78f6e5cef677fb379be3175ff35f181d1d
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Filesize
4.1MB
MD57292c71affd41e6a61b738a35c671ee7
SHA14d09f11f969849d270a2eaf518da95849f7c0b6a
SHA256e4e11b3cbac45900c7df8dea5f8fe2ba7ff59f0b308e0b510e9a9db3dc57ba94
SHA512b9ae6346ce99132b9cdd50cc418d893ea6f966c5ed82ab5fa02664467d12d87f5831a6f3d932d19864b10c8568eea68bb77890b4b8e86c39da0287c3cf73557b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec