Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe
Resource
win10v2004-20240226-en
General
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Target
a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe
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Size
4.1MB
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MD5
b0e6833b5b1a140bd74b8de788f8b631
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SHA1
17d5330eb426fe9fb9bdeccd1d7bd5208acdb773
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SHA256
a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee
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SHA512
4158bd48eca3d4e16896b3f5302321da0ab73db4ad4e23e93c0e0702e61edcc2fa361f68e49b09b32b8820d62024326b8993191908c2c5029b1e4bb07774bdba
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SSDEEP
98304:A2w6smPz2ESXip8Qe6pOnhP/maq5821Ptw/6vAnaohZ6W:b5qE/8QbGhHmhZ6DtZ3
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4472-2-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/4472-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-57-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/1016-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4472-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1016-94-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1016-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1016-141-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1016-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-287-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-291-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-295-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-299-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4480-303-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1184 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4480 csrss.exe 3380 injector.exe 1312 windefender.exe 5004 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023064-262.dat upx behavioral1/files/0x0009000000023064-265.dat upx behavioral1/memory/1312-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.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 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe File created C:\Windows\rss\csrss.exe a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification 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 3652 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 1372 schtasks.exe 1848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4752 powershell.exe 4752 powershell.exe 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1948 powershell.exe 1948 powershell.exe 1948 powershell.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 3916 powershell.exe 3916 powershell.exe 3716 powershell.exe 3716 powershell.exe 1924 powershell.exe 1924 powershell.exe 2552 powershell.exe 2552 powershell.exe 2552 powershell.exe 3648 powershell.exe 3648 powershell.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 4480 csrss.exe 4480 csrss.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 4480 csrss.exe 4480 csrss.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 4480 csrss.exe 4480 csrss.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe 3380 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Token: SeImpersonatePrivilege 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 3716 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 3648 powershell.exe Token: SeSystemEnvironmentPrivilege 4480 csrss.exe Token: SeSecurityPrivilege 3652 sc.exe Token: SeSecurityPrivilege 3652 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4472 wrote to memory of 4752 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 90 PID 4472 wrote to memory of 4752 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 90 PID 4472 wrote to memory of 4752 4472 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 90 PID 1016 wrote to memory of 1948 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 100 PID 1016 wrote to memory of 1948 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 100 PID 1016 wrote to memory of 1948 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 100 PID 1016 wrote to memory of 5116 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 102 PID 1016 wrote to memory of 5116 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 102 PID 5116 wrote to memory of 1184 5116 cmd.exe 104 PID 5116 wrote to memory of 1184 5116 cmd.exe 104 PID 1016 wrote to memory of 3916 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 105 PID 1016 wrote to memory of 3916 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 105 PID 1016 wrote to memory of 3916 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 105 PID 1016 wrote to memory of 3716 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 108 PID 1016 wrote to memory of 3716 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 108 PID 1016 wrote to memory of 3716 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 108 PID 1016 wrote to memory of 4480 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 110 PID 1016 wrote to memory of 4480 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 110 PID 1016 wrote to memory of 4480 1016 a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe 110 PID 4480 wrote to memory of 1924 4480 csrss.exe 111 PID 4480 wrote to memory of 1924 4480 csrss.exe 111 PID 4480 wrote to memory of 1924 4480 csrss.exe 111 PID 4480 wrote to memory of 2552 4480 csrss.exe 118 PID 4480 wrote to memory of 2552 4480 csrss.exe 118 PID 4480 wrote to memory of 2552 4480 csrss.exe 118 PID 4480 wrote to memory of 3648 4480 csrss.exe 120 PID 4480 wrote to memory of 3648 4480 csrss.exe 120 PID 4480 wrote to memory of 3648 4480 csrss.exe 120 PID 4480 wrote to memory of 3380 4480 csrss.exe 122 PID 4480 wrote to memory of 3380 4480 csrss.exe 122 PID 1312 wrote to memory of 2924 1312 windefender.exe 128 PID 1312 wrote to memory of 2924 1312 windefender.exe 128 PID 1312 wrote to memory of 2924 1312 windefender.exe 128 PID 2924 wrote to memory of 3652 2924 cmd.exe 129 PID 2924 wrote to memory of 3652 2924 cmd.exe 129 PID 2924 wrote to memory of 3652 2924 cmd.exe 129 -
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\a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe"C:\Users\Admin\AppData\Local\Temp\a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752
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C:\Users\Admin\AppData\Local\Temp\a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.exe"C:\Users\Admin\AppData\Local\Temp\a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee.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:1016 -
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:1948
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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:5116 -
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:1184
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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:3916
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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:3716
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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:4480 -
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:1924
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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:1372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2256
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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:2552
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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:3648
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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:3380
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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:1848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1312 -
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:2924 -
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:3652
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5004
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e9c017ba024d60214c1f9c383b9a579
SHA1d9641e789fb8831dcffec859952f60aa8a21cd0e
SHA256bdecb35545679dffa823a7bed8bc2b719e5dd38efea26aced4fed72d8ffc2e42
SHA5123e6144b250c16aaa54adea29a183dc5a84b1ef4d0e529c40de41a43a1fc21ae9574485ffc1e1bd6da9178d2651b83af187212f50afdcc2a57f7d8c8b789c2d04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb9b8487b40e7e0d875f0875c654cd1f
SHA1624ffcded5a6c57a34de39d2ce8f462096240964
SHA25663a749cd65c4845d0b337a7440ae721afd6f8f59157830c0b5955a0ac7e6a026
SHA512d25b2af1bb2b9189b877b156bb5220ec1522b0fe56bb9e0dab12c87d6d4aac8ffd90a08dc356731acaed9bc6a5d803e9e12cd0252e313e905e1515e9b723698b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e688428667055873a93863c3d41abe3
SHA14d3f4d62e63b49e63199db76c4c2364a547526c6
SHA2562e73b0361ef8c30cc7f8bcf33f5de07d51052e5b97d414139a6db1d6a3e38c09
SHA5125794459899d854b92a2866536a828e8b9c2079079c311d71bd7fc9921d1a28648eb0382eed48b6a21150cb6e82b76c5eab038b7f67eb5cd725b0755df40e5519
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6df6fbeb1d19fb2e103a66146e65361
SHA12c630b8cf24bcd1534b4539d351c87d2bb37bc89
SHA25648a4db5a6999f8c4a2073ff1ca76128f27fdbd0d647f00eb225507ed7debda28
SHA5129dac9b3c1aecffa035725b584ef653959076b8660d85fd935d7092ae46fea808f43eb474d17a0f4ae300afa2fb853d0027c098df2b3c8f3cd362dca2f9766612
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5584d67393e231b1dbbfcf2695e215c0c
SHA1ec8909151f4ae64e7382ace74385320409639a11
SHA256451441b8ac79faabb42e329bb0c32d581316d887de31a3ddf52fb1ff1795c199
SHA5126cadbce2a07602271c7f76665937f762a4954e2ba5bb19ca3a503a1a78402f94cf1307c5fc9812686a299d33d912ea4eb163b189042bc7a7fdca314461a56a7b
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Filesize
4.1MB
MD5b0e6833b5b1a140bd74b8de788f8b631
SHA117d5330eb426fe9fb9bdeccd1d7bd5208acdb773
SHA256a6d6db330de2463e562342bcc2527e50cc8425adb7bdc1e9a6df70bc17fc0aee
SHA5124158bd48eca3d4e16896b3f5302321da0ab73db4ad4e23e93c0e0702e61edcc2fa361f68e49b09b32b8820d62024326b8993191908c2c5029b1e4bb07774bdba
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Filesize
1.6MB
MD545740106f0ccc760189ba0502f33448c
SHA1a1d40b589d0ef9e049133fd8ef84106a0defe67e
SHA256a552830cbd2766176c2c49a03a8281d1bc5955dd7a9f157716086b360d68774c
SHA512dcd3f4767077bb76201f486915cedf74d4040a53993f78bac063fbd0cb683340966f1bacd11756144f139e046d3132bad7ea49dd58c45a12777cf8a2683de801
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec