Analysis
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max time kernel
149s -
max time network
146s -
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 08:58
Static task
static1
Behavioral task
behavioral1
Sample
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe
Resource
win10v2004-20240426-en
General
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Target
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe
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Size
4.1MB
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MD5
881f0e1b55a24e9862e8be400b59f45f
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SHA1
1d51b95c585db438f094fe1e850969d9dfb1ed29
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SHA256
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016
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SHA512
79157352c7993ea45a67399c5a6559d6ebd5f1503f22f91f7e67d91e275931d33d4a60b0d25b28e53c09c3b1bd08d1c2e7c9b8ef9465a8bb62068278c8dbcaca
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1a:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Na
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4552-2-0x00000000043B0000-0x0000000004C9B000-memory.dmp family_glupteba behavioral1/memory/4552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4552-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4552-57-0x00000000043B0000-0x0000000004C9B000-memory.dmp family_glupteba behavioral1/memory/4552-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4136-135-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-218-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3772-252-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2836 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3772 csrss.exe 2740 injector.exe 4792 windefender.exe 3100 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023438-221.dat upx behavioral1/memory/4792-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3100-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3100-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3100-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3100-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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\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 File created 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 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.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 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe File created C:\Windows\rss\csrss.exe 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3872 sc.exe -
pid Process 2076 powershell.exe 4484 powershell.exe 720 powershell.exe 3644 powershell.exe 1888 powershell.exe 3388 powershell.exe 2340 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1588 4552 WerFault.exe 84 2652 4136 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2764 schtasks.exe 1488 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight 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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3644 powershell.exe 3644 powershell.exe 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 1888 powershell.exe 1888 powershell.exe 1888 powershell.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3388 powershell.exe 3388 powershell.exe 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 2076 powershell.exe 2076 powershell.exe 2076 powershell.exe 4484 powershell.exe 4484 powershell.exe 4484 powershell.exe 720 powershell.exe 720 powershell.exe 720 powershell.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 3772 csrss.exe 3772 csrss.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 3772 csrss.exe 3772 csrss.exe 2740 injector.exe 2740 injector.exe 3772 csrss.exe 3772 csrss.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Token: SeImpersonatePrivilege 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 3388 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeSystemEnvironmentPrivilege 3772 csrss.exe Token: SeSecurityPrivilege 3872 sc.exe Token: SeSecurityPrivilege 3872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4552 wrote to memory of 3644 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 86 PID 4552 wrote to memory of 3644 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 86 PID 4552 wrote to memory of 3644 4552 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 86 PID 4136 wrote to memory of 1888 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 100 PID 4136 wrote to memory of 1888 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 100 PID 4136 wrote to memory of 1888 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 100 PID 4136 wrote to memory of 3736 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 105 PID 4136 wrote to memory of 3736 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 105 PID 3736 wrote to memory of 2836 3736 cmd.exe 107 PID 3736 wrote to memory of 2836 3736 cmd.exe 107 PID 4136 wrote to memory of 3388 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 108 PID 4136 wrote to memory of 3388 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 108 PID 4136 wrote to memory of 3388 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 108 PID 4136 wrote to memory of 2340 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 112 PID 4136 wrote to memory of 2340 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 112 PID 4136 wrote to memory of 2340 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 112 PID 4136 wrote to memory of 3772 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 114 PID 4136 wrote to memory of 3772 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 114 PID 4136 wrote to memory of 3772 4136 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 114 PID 3772 wrote to memory of 2076 3772 csrss.exe 117 PID 3772 wrote to memory of 2076 3772 csrss.exe 117 PID 3772 wrote to memory of 2076 3772 csrss.exe 117 PID 3772 wrote to memory of 4484 3772 csrss.exe 123 PID 3772 wrote to memory of 4484 3772 csrss.exe 123 PID 3772 wrote to memory of 4484 3772 csrss.exe 123 PID 3772 wrote to memory of 720 3772 csrss.exe 125 PID 3772 wrote to memory of 720 3772 csrss.exe 125 PID 3772 wrote to memory of 720 3772 csrss.exe 125 PID 3772 wrote to memory of 2740 3772 csrss.exe 127 PID 3772 wrote to memory of 2740 3772 csrss.exe 127 PID 4792 wrote to memory of 2540 4792 windefender.exe 133 PID 4792 wrote to memory of 2540 4792 windefender.exe 133 PID 4792 wrote to memory of 2540 4792 windefender.exe 133 PID 2540 wrote to memory of 3872 2540 cmd.exe 134 PID 2540 wrote to memory of 3872 2540 cmd.exe 134 PID 2540 wrote to memory of 3872 2540 cmd.exe 134 -
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\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.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:4136 -
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:1888
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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:3736 -
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:2836
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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:3388
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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:2340
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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:3772 -
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:2076
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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:2764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2528
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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:4484
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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:720
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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:2740
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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:1488
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4792 -
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:2540 -
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:3872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 5843⤵
- Program crash
PID:2652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 8962⤵
- Program crash
PID:1588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4552 -ip 45521⤵PID:3976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4136 -ip 41361⤵PID:3484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3100
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53475975fffb5cc0509757706409053eb
SHA1e347b98823989ebe83c7470ff18231c399107804
SHA2566d6340201a3e4409e2e66adddb2637b5f70c7876797bed47445b1427112bbc36
SHA51202e296f39fa22c36b40ac923471ab7b3ebaa6c10946fcd0eece0533de99a655b047c4122b3500171732a78fb495d52c9cbc225e85a9d9b4a4ecab868b37b3ce6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5154687b576970bc4957c00a2772a8822
SHA1161d95b45a370ce48be3920329d78d1bea70507d
SHA25672f8a55fbaa45bca7b194d14316a89f411a4beb0437467b641f076c74313d3a7
SHA5120dca3d0c3dc1798418b2a614c6e56735339ea0d34a8202e8ab3d7155fcebdf49698c196840c201a0de0028270a06deeb8353394cc990f21e3b742e4ed3b9c626
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aeab6be9a6cd61f783b23a14131e9f1
SHA15d318ed016eec63d51891092acfa46fdc2c10f5a
SHA2563a58b58eb1a2c0956dfe1a9cc232fadeb7f8a07e5a6a48386a0ff8f25617e8b3
SHA5126788a6c59de64b93b0b95de84f8580e364e28735cf719b6808e8eacc5b997b84de10d36604369f8effa46d3454e35ac10268edbe14e194521734f2dbca37553c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586a4f453b80fff4fbf861264f859f484
SHA1dd50047a19c91bd8db4199f8e1537875cad15a6f
SHA256fcc6ab51be1413eec2d18efc80c5ac7d65c07fad6f1212665576bcc10a524ed5
SHA51215b159b2fcdc1d6ce6e576d563c959352798b418de84eadab1b500e0321e70f583a06b38da41b3b45feffbd97f5db6c7fbb5ff505b6f4c5ef264ae2150164141
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503ca3910b58a34d060460cce96859121
SHA1cbae48b9febc08ac4c31f4fb6b224ee28e6c1df5
SHA256255fea1ced7b3bf53f208264ba1e7c5170e81351cba5212a3283a7249357a2f0
SHA512039df91bdcfc6ed990c8d4858154658387747a2e87c2290218e6d094248f321456725bf18f3eade69a340c7363ebbfaa4ef68a263020ed2e52a7dcc2de491839
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Filesize
4.1MB
MD5881f0e1b55a24e9862e8be400b59f45f
SHA11d51b95c585db438f094fe1e850969d9dfb1ed29
SHA2562c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016
SHA51279157352c7993ea45a67399c5a6559d6ebd5f1503f22f91f7e67d91e275931d33d4a60b0d25b28e53c09c3b1bd08d1c2e7c9b8ef9465a8bb62068278c8dbcaca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec