Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 03:17
Static task
static1
Behavioral task
behavioral1
Sample
af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe
Resource
win7-20230831-en
General
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Target
af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe
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Size
4.2MB
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MD5
729dc58e34fc04e970b588e6e7384fde
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SHA1
e0b345950b6d468d6e6ba8ffdfd3e1307746ecb1
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SHA256
af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7
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SHA512
4c7b87cbfe650ab2ebdf026b5234d97e9a4cbb1eabe08003b07475f62ade8ec85edb10e07db2078b9bc2e5be3ea526c0ad321f68cfdd7e7d0835c0d1e315f0cd
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SSDEEP
98304:Pn2RUGbV0YMa6rUnedaEsoRJGNsdFLjeFbkzIp49x++kVeXcvxZwt:f2a00+6rUnxWHFmkzmux+bTJSt
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/380-2-0x0000000002F70000-0x000000000385B000-memory.dmp family_glupteba behavioral2/memory/380-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/380-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/380-6-0x0000000002F70000-0x000000000385B000-memory.dmp family_glupteba behavioral2/memory/380-7-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/380-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/380-67-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1252-69-0x0000000002B50000-0x0000000002F4B000-memory.dmp family_glupteba behavioral2/memory/1252-70-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1252-104-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1252-105-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1252-163-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-217-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/552-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1572 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 552 csrss.exe 3960 injector.exe 2488 windefender.exe 3408 windefender.exe -
resource yara_rule behavioral2/files/0x0004000000000745-273.dat upx behavioral2/files/0x0004000000000745-274.dat upx behavioral2/files/0x0004000000000745-276.dat upx behavioral2/memory/2488-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3408-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3408-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.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 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe File created C:\Windows\rss\csrss.exe af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 544 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 1864 schtasks.exe 1592 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,-385 = "Namibia Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 560 powershell.exe 560 powershell.exe 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 4680 powershell.exe 4680 powershell.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 1596 powershell.exe 1596 powershell.exe 3136 powershell.exe 3136 powershell.exe 4732 powershell.exe 4732 powershell.exe 4236 powershell.exe 4236 powershell.exe 4556 powershell.exe 4556 powershell.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 552 csrss.exe 552 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 552 csrss.exe 552 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 552 csrss.exe 552 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Token: SeImpersonatePrivilege 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeSystemEnvironmentPrivilege 552 csrss.exe Token: SeSecurityPrivilege 544 sc.exe Token: SeSecurityPrivilege 544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 380 wrote to memory of 560 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 84 PID 380 wrote to memory of 560 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 84 PID 380 wrote to memory of 560 380 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 84 PID 1252 wrote to memory of 4680 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 95 PID 1252 wrote to memory of 4680 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 95 PID 1252 wrote to memory of 4680 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 95 PID 1252 wrote to memory of 4444 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 97 PID 1252 wrote to memory of 4444 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 97 PID 4444 wrote to memory of 1572 4444 cmd.exe 99 PID 4444 wrote to memory of 1572 4444 cmd.exe 99 PID 1252 wrote to memory of 1596 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 100 PID 1252 wrote to memory of 1596 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 100 PID 1252 wrote to memory of 1596 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 100 PID 1252 wrote to memory of 3136 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 102 PID 1252 wrote to memory of 3136 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 102 PID 1252 wrote to memory of 3136 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 102 PID 1252 wrote to memory of 552 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 104 PID 1252 wrote to memory of 552 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 104 PID 1252 wrote to memory of 552 1252 af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe 104 PID 552 wrote to memory of 4732 552 csrss.exe 105 PID 552 wrote to memory of 4732 552 csrss.exe 105 PID 552 wrote to memory of 4732 552 csrss.exe 105 PID 552 wrote to memory of 4236 552 csrss.exe 111 PID 552 wrote to memory of 4236 552 csrss.exe 111 PID 552 wrote to memory of 4236 552 csrss.exe 111 PID 552 wrote to memory of 4556 552 csrss.exe 113 PID 552 wrote to memory of 4556 552 csrss.exe 113 PID 552 wrote to memory of 4556 552 csrss.exe 113 PID 552 wrote to memory of 3960 552 csrss.exe 115 PID 552 wrote to memory of 3960 552 csrss.exe 115 PID 2488 wrote to memory of 2248 2488 windefender.exe 121 PID 2488 wrote to memory of 2248 2488 windefender.exe 121 PID 2488 wrote to memory of 2248 2488 windefender.exe 121 PID 2248 wrote to memory of 544 2248 cmd.exe 122 PID 2248 wrote to memory of 544 2248 cmd.exe 122 PID 2248 wrote to memory of 544 2248 cmd.exe 122 -
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\af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe"C:\Users\Admin\AppData\Local\Temp\af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Users\Admin\AppData\Local\Temp\af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.exe"C:\Users\Admin\AppData\Local\Temp\af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7.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:1252 -
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:4680
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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:4444 -
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:1572
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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:1596
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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:3136
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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:552 -
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:4732
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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:1864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2656
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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:4236
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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:4556
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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:3960
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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:1592
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2488 -
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:2248 -
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:544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3408
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
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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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
MD5406efe6edf674b007707df13e6ecaff5
SHA16cfde7123a23a7e97f8f83d1daac1c154abdfac1
SHA2569d91677a18c8f6b75d1d16249b4801d28f4c6c111d9f5203ca80cdaa88825922
SHA512fb66ac3c8933970d9fd7dad2721483ba9f98e4473b7a2c34c24eb1fd599edcc763dbc73972ff78e01cd653bc2a7f92b690b49db50f0d68e4f2d4cd7a321e9d06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f05419d60a0fff3ad00d384b8dac733
SHA1872d07ab0ee80f5d295916b2f0a07e44a0e91630
SHA25618e33f12191c1d7d730f659fa89cde7e499c59114a51382ca09b5be0fcf36e5f
SHA512bc51cdc67425bc577b2f4f8058625e7d184d04082e4d2789d16f8894ad182b15591f736b31ec07ab709725f308c1ef052685efe23961d98ce58dc36679c861e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576abf931ff3f23831ea40e27e265b3a6
SHA1e83125ada1c7a5be944c0a6502a12b4cef32bd05
SHA25685f863d8880f6ed33fa7fe1b56c0edfa54257fcf978c033c45d03c3023a62172
SHA51228b5d57dd6e9952ff6073dd50d36da204e4a6abf736d73689f3a2ced17688baca6514a49031f4cdc42cbf9499b01fb0e7188d4b0e5135d090385e0745fbb80f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ec7c6564777c07df1e560a410215e7e
SHA1934eb48b292de8597739a333361b3b1f74a3ec67
SHA2564ac133cd2ff9c4488ba3b445c0f3b9183b288ec4c83e7886e2750aa4a5127abd
SHA5124e4bea7a99ea48b760404be7508617dc1b245eeaa9bcadabd7259e881f4d0ff2dd0ba8a56a68458a527349a83756072949f2fc361a38389d4e3bed486d272a2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b3b326dcd3be2072167605b0ec209a6
SHA1b5af4cf8401d159c0496d427b23828ed9a4164f8
SHA256647f641bc24dbb394e939780e66cc0d73133b4908cbf26d91bafaeb6b0e5547c
SHA512aff5bd5e27ef5703f4f8aab85684c70e4dea8c0657b6783eea070b185d8bd081d6da59b74cb02d8b859a8ad1495c483d5d3e2810d5ca36a7d0666f681ab31c89
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Filesize
4.2MB
MD5729dc58e34fc04e970b588e6e7384fde
SHA1e0b345950b6d468d6e6ba8ffdfd3e1307746ecb1
SHA256af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7
SHA5124c7b87cbfe650ab2ebdf026b5234d97e9a4cbb1eabe08003b07475f62ade8ec85edb10e07db2078b9bc2e5be3ea526c0ad321f68cfdd7e7d0835c0d1e315f0cd
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Filesize
4.2MB
MD5729dc58e34fc04e970b588e6e7384fde
SHA1e0b345950b6d468d6e6ba8ffdfd3e1307746ecb1
SHA256af7fc271748370d92786f3f17204ca05846cf62aa29d14d3029f04951fe131b7
SHA5124c7b87cbfe650ab2ebdf026b5234d97e9a4cbb1eabe08003b07475f62ade8ec85edb10e07db2078b9bc2e5be3ea526c0ad321f68cfdd7e7d0835c0d1e315f0cd
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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