Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:44
Static task
static1
Behavioral task
behavioral1
Sample
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe
Resource
win10v2004-20240508-en
General
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Target
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe
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Size
4.1MB
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MD5
9851c30a97bdab7b8d0aec66dada4283
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SHA1
8ff08d3447c5624ad0c0a3886660080cdc61f4c8
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SHA256
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47
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SHA512
5ae380ce55b3e9a8eda45b61127706f6871baf1633346bff7db0b640a0fdf7f2ddb4d558fa63c8688dc518fe563c5f35667ec8fdda94697792183e7676a95f1e
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SSDEEP
98304:XBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbk:Ra1p4P0l8MfVLMTrk
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3824-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/3824-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3824-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3824-57-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/3824-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1400-82-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1400-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-165-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2856-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1720 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2856 csrss.exe 948 injector.exe 4396 windefender.exe 3456 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000022ac4-224.dat upx behavioral1/memory/4396-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3456-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3456-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3456-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe File created C:\Windows\rss\csrss.exe cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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 916 sc.exe -
pid Process 4220 powershell.exe 1808 powershell.exe 1184 powershell.exe 1524 powershell.exe 3104 powershell.exe 2140 powershell.exe 3816 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4304 schtasks.exe 4904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.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\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2140 powershell.exe 2140 powershell.exe 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 3816 powershell.exe 3816 powershell.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 4220 powershell.exe 4220 powershell.exe 1808 powershell.exe 1808 powershell.exe 1184 powershell.exe 1184 powershell.exe 1524 powershell.exe 1524 powershell.exe 3104 powershell.exe 3104 powershell.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 2856 csrss.exe 948 injector.exe 2856 csrss.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 2856 csrss.exe 2856 csrss.exe 948 injector.exe 948 injector.exe 2856 csrss.exe 2856 csrss.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe 948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Token: SeImpersonatePrivilege 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 4220 powershell.exe Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeSystemEnvironmentPrivilege 2856 csrss.exe Token: SeSecurityPrivilege 916 sc.exe Token: SeSecurityPrivilege 916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3824 wrote to memory of 2140 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 95 PID 3824 wrote to memory of 2140 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 95 PID 3824 wrote to memory of 2140 3824 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 95 PID 1400 wrote to memory of 3816 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 100 PID 1400 wrote to memory of 3816 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 100 PID 1400 wrote to memory of 3816 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 100 PID 1400 wrote to memory of 3428 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 103 PID 1400 wrote to memory of 3428 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 103 PID 3428 wrote to memory of 1720 3428 cmd.exe 106 PID 3428 wrote to memory of 1720 3428 cmd.exe 106 PID 1400 wrote to memory of 4220 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 107 PID 1400 wrote to memory of 4220 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 107 PID 1400 wrote to memory of 4220 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 107 PID 1400 wrote to memory of 1808 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 110 PID 1400 wrote to memory of 1808 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 110 PID 1400 wrote to memory of 1808 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 110 PID 1400 wrote to memory of 2856 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 112 PID 1400 wrote to memory of 2856 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 112 PID 1400 wrote to memory of 2856 1400 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 112 PID 2856 wrote to memory of 1184 2856 csrss.exe 113 PID 2856 wrote to memory of 1184 2856 csrss.exe 113 PID 2856 wrote to memory of 1184 2856 csrss.exe 113 PID 2856 wrote to memory of 1524 2856 csrss.exe 119 PID 2856 wrote to memory of 1524 2856 csrss.exe 119 PID 2856 wrote to memory of 1524 2856 csrss.exe 119 PID 2856 wrote to memory of 3104 2856 csrss.exe 121 PID 2856 wrote to memory of 3104 2856 csrss.exe 121 PID 2856 wrote to memory of 3104 2856 csrss.exe 121 PID 2856 wrote to memory of 948 2856 csrss.exe 123 PID 2856 wrote to memory of 948 2856 csrss.exe 123 PID 4396 wrote to memory of 3824 4396 windefender.exe 130 PID 4396 wrote to memory of 3824 4396 windefender.exe 130 PID 4396 wrote to memory of 3824 4396 windefender.exe 130 PID 3824 wrote to memory of 916 3824 cmd.exe 131 PID 3824 wrote to memory of 916 3824 cmd.exe 131 PID 3824 wrote to memory of 916 3824 cmd.exe 131 -
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\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140
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C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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:1400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3816
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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:3428 -
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:1720
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4220
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1808
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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:2856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1184
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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:4904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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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:948
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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:4304
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4396 -
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:3824 -
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:916
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3456
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558f09476202819131ec20233c21ae455
SHA1acdbacf7d806c2b5ce727cb09d84542d6f8af1ec
SHA256d90b408bb98ef11ddf6e352f78c84c71792145b41bdabfb4dc09b07ea552d6f3
SHA5126b5e0175d27c2bd5884fd887d66e85ad88df9a16ca0ed3f026d10b79cb4eb41f5bea333da1da7999884142e7ac8412716975a78dff642e9b84c02e0ce0fa48ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50448c38135b4bd0275ff521711c3b99a
SHA126a05d5fb1558168036b81c6d1f8957c05dca633
SHA256735225a4aa653bb03388239d0ca5ab71c5a9af646c15ac4ac9522a95e8a5f17a
SHA512958dd5164e6b75c339581e7e56b6f5423c5b80b35ede211836d64ea5ff0368f6f431c4c4b67e875e7e6c60da0b8d990f86360a20ad86e9fb9d7079defd5fe117
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df14715d1a687ca4e60d1159ab4e07a1
SHA1bc05214968edc962306714b6ed6da98afb90b093
SHA256b1d75d2fa432147f6810c392a54bac49a4057649df0956279e2951f59ef3c695
SHA512977caeed369bf8428a17df512248d958ac4203d3556d73d6012e19195868f26ab89a5ef92c1b5caa3dc55f360ad53ecf271f7de31527ba5bf361c4b82569bd1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad3597985b02a2b508ab7def0de972df
SHA1fc5c342d3bcb63a72b5e838a0b9fe65994056cb7
SHA256899c16bdbf0f7450f387fddaa819526654b3d4375857fe67fcf89abff32aa614
SHA512210c6042840bfbcbbbe6574b390bf1cef772bb97b65586708f5aa4a3c75600a9bfa68e14f71563cf4516b8b66e31ed26d55752d071222d1b9f795a64b0651a45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51be8305637bc8bdd893a963b66e1f735
SHA19967de22342d1c8a79f7ed852f2f8c2d8b0520b3
SHA256faaaa8caeff168083fd7cbd388e972272c202a519233ff772d13847881cd0ac5
SHA51215f9ccb0631f490c489e2c7e0cca11a1106ab383f93d4a3ee487a641baa7f90ecda85c0e52a7be35b9910615e018432c7eafde58964d7c05bd2ad59c0135bb01
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Filesize
4.1MB
MD59851c30a97bdab7b8d0aec66dada4283
SHA18ff08d3447c5624ad0c0a3886660080cdc61f4c8
SHA256cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47
SHA5125ae380ce55b3e9a8eda45b61127706f6871baf1633346bff7db0b640a0fdf7f2ddb4d558fa63c8688dc518fe563c5f35667ec8fdda94697792183e7676a95f1e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec