Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31/05/2023, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
08788999.exe
Resource
win7-20230220-en
General
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Target
08788999.exe
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Size
4.1MB
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MD5
dc3e1878f958f7c5920d9b73a37e8def
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SHA1
88652443bf26c454e10e40997def2def5ea0463a
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SHA256
e3eb98571cb1e2ffaa5d2ab25abf1542f366a99f16bfed9cb964d9e5e60c6be2
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SHA512
534fdea23511df9c9bd7128eb8d56bf77339ca12876e2c76823fcd435b398ebb89580f8bdd0d197e7c800ffe77737ef2975bf27fa71ebdf9d167ef347992c51c
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SSDEEP
98304:Tt+9h72hnvrzke7ZGsuZrTAjiC3UU79HYawrtKfV7y8ue/g:gW8enu2jHH+8t7vo
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral2/memory/4564-134-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral2/memory/4564-169-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4564-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1948-232-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1948-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-318-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-353-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-364-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-366-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-369-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-372-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-376-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-378-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-381-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-384-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3924-393-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4168 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3924 csrss.exe 4456 injector.exe 1220 windefender.exe 4596 windefender.exe 4000 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral2/files/0x000700000002314f-357.dat upx behavioral2/files/0x000700000002314f-358.dat upx behavioral2/memory/1220-359-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000700000002314f-360.dat upx behavioral2/memory/1220-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-371-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-383-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x0007000000023150-389.dat upx behavioral2/files/0x0007000000023150-390.dat upx behavioral2/memory/4000-391-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral2/memory/4596-392-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4000-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral2/memory/4000-397-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 08788999.exe Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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 08788999.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 08788999.exe File created C:\Windows\rss\csrss.exe 08788999.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4440 sc.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 1908 schtasks.exe 3704 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 08788999.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\1e\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 08788999.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 08788999.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 08788999.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2364 powershell.exe 2364 powershell.exe 4564 08788999.exe 4564 08788999.exe 396 powershell.exe 396 powershell.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 1948 08788999.exe 2032 powershell.exe 2032 powershell.exe 1564 powershell.exe 1564 powershell.exe 3384 powershell.exe 3384 powershell.exe 1764 powershell.exe 1764 powershell.exe 4812 powershell.exe 4812 powershell.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 3924 csrss.exe 3924 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 3924 csrss.exe 3924 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 3924 csrss.exe 3924 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 4564 08788999.exe Token: SeImpersonatePrivilege 4564 08788999.exe Token: SeDebugPrivilege 396 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 1564 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeSystemEnvironmentPrivilege 3924 csrss.exe Token: SeSecurityPrivilege 4440 sc.exe Token: SeSecurityPrivilege 4440 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4564 wrote to memory of 2364 4564 08788999.exe 83 PID 4564 wrote to memory of 2364 4564 08788999.exe 83 PID 4564 wrote to memory of 2364 4564 08788999.exe 83 PID 1948 wrote to memory of 396 1948 08788999.exe 88 PID 1948 wrote to memory of 396 1948 08788999.exe 88 PID 1948 wrote to memory of 396 1948 08788999.exe 88 PID 1948 wrote to memory of 2960 1948 08788999.exe 90 PID 1948 wrote to memory of 2960 1948 08788999.exe 90 PID 2960 wrote to memory of 4168 2960 cmd.exe 92 PID 2960 wrote to memory of 4168 2960 cmd.exe 92 PID 1948 wrote to memory of 2032 1948 08788999.exe 93 PID 1948 wrote to memory of 2032 1948 08788999.exe 93 PID 1948 wrote to memory of 2032 1948 08788999.exe 93 PID 1948 wrote to memory of 1564 1948 08788999.exe 97 PID 1948 wrote to memory of 1564 1948 08788999.exe 97 PID 1948 wrote to memory of 1564 1948 08788999.exe 97 PID 1948 wrote to memory of 3924 1948 08788999.exe 101 PID 1948 wrote to memory of 3924 1948 08788999.exe 101 PID 1948 wrote to memory of 3924 1948 08788999.exe 101 PID 3924 wrote to memory of 3384 3924 csrss.exe 104 PID 3924 wrote to memory of 3384 3924 csrss.exe 104 PID 3924 wrote to memory of 3384 3924 csrss.exe 104 PID 3924 wrote to memory of 1764 3924 csrss.exe 110 PID 3924 wrote to memory of 1764 3924 csrss.exe 110 PID 3924 wrote to memory of 1764 3924 csrss.exe 110 PID 3924 wrote to memory of 4812 3924 csrss.exe 112 PID 3924 wrote to memory of 4812 3924 csrss.exe 112 PID 3924 wrote to memory of 4812 3924 csrss.exe 112 PID 3924 wrote to memory of 4456 3924 csrss.exe 114 PID 3924 wrote to memory of 4456 3924 csrss.exe 114 PID 1220 wrote to memory of 4152 1220 windefender.exe 120 PID 1220 wrote to memory of 4152 1220 windefender.exe 120 PID 1220 wrote to memory of 4152 1220 windefender.exe 120 PID 4152 wrote to memory of 4440 4152 cmd.exe 121 PID 4152 wrote to memory of 4440 4152 cmd.exe 121 PID 4152 wrote to memory of 4440 4152 cmd.exe 121 PID 3924 wrote to memory of 4000 3924 csrss.exe 124 PID 3924 wrote to memory of 4000 3924 csrss.exe 124 PID 3924 wrote to memory of 4000 3924 csrss.exe 124 -
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\08788999.exe"C:\Users\Admin\AppData\Local\Temp\08788999.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
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C:\Users\Admin\AppData\Local\Temp\08788999.exe"C:\Users\Admin\AppData\Local\Temp\08788999.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:1948 -
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:396
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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:2960 -
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:4168
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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:2032
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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:1564
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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:3924 -
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:3384
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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:1908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2364
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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:1764
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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:4812
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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:4456
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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:3704
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1220 -
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:4152 -
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:4440
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4000 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2208
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4836
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4596
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5550e9eccc4342377be3b83bb93986549
SHA18c2a67870814f5535247600b455c3f5f8455bd6a
SHA256aacba8d26a21f4559d3ae649130a5ca074cae015b911274f8670130eb2a7d37f
SHA512239c4ec0ae4fabff8bc4ed7ca0e4c0506395accb57076a73d55221073c42a4aa47242a7b4cfe4fcb8973cfa33578a01ffd884bf9b9b84dcfc7c9d7251c8a0ca6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5090e244a67bf0e182aa9f1e789062430
SHA12c0478cc5b79e9ed50590b3b495a239719437645
SHA2566eccb33fb2639306313ea061546d9b1218ab22902673105f73311e27943febad
SHA51270a9810e0032d28c8923234fdc40ca918ff890fc30e684ccca9f5c273b4b7746cc56fa886fae2453609b3683b68a21cea32163e4e5015ddb3ace94be365b746a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5661ad6a0b49f9a156aaa237cd7eae922
SHA173b197eddd426c45679d978216ccea46a18cd6f3
SHA25675a73b9167491031df88b52e5982337564050e4a65689f4406bb02b0ae00744b
SHA512840d18e74fc79ef871544d78fef56fc3f99f256c629025e3b7833aca5b8c89e5c43a9806d7cb341613dedb97b91eab4ed978b2adef62949caec67fb0324f7c88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5147c23d63eb831430389e0a155eccabf
SHA1d1d29d84e49522b119e376568cbc2d787fe56012
SHA25652ffc7311909d9db2833c43048c9a320763dd736628d4939fde498b2bb969988
SHA51269de33665a9e2d493c1d8099b17dc0544b5322c36887c3d74ec9d5b6c31f54965ea55e71c7e041c5d43c9c7fd4cb64d05625f16bebca0f953bc67da1027e45d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c47a5fd87cb8c8601be40bf8bca244d3
SHA103db6d53acd80753acef706b0f4194af3cdaea93
SHA256674cd0ba84c4066ad05ee83ce6c4f65e201930374d4219d1791833f4d867508b
SHA512dafcaa52cb5009d65acaba82604a6a3ef8b639c2c83310e635552234ce6738ecdb0f107121bf659a93fd828effaeebf0b70d6a891f14e6ce71cf8a1c8b5bf4c0
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Filesize
4.1MB
MD5dc3e1878f958f7c5920d9b73a37e8def
SHA188652443bf26c454e10e40997def2def5ea0463a
SHA256e3eb98571cb1e2ffaa5d2ab25abf1542f366a99f16bfed9cb964d9e5e60c6be2
SHA512534fdea23511df9c9bd7128eb8d56bf77339ca12876e2c76823fcd435b398ebb89580f8bdd0d197e7c800ffe77737ef2975bf27fa71ebdf9d167ef347992c51c
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Filesize
4.1MB
MD5dc3e1878f958f7c5920d9b73a37e8def
SHA188652443bf26c454e10e40997def2def5ea0463a
SHA256e3eb98571cb1e2ffaa5d2ab25abf1542f366a99f16bfed9cb964d9e5e60c6be2
SHA512534fdea23511df9c9bd7128eb8d56bf77339ca12876e2c76823fcd435b398ebb89580f8bdd0d197e7c800ffe77737ef2975bf27fa71ebdf9d167ef347992c51c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec