Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2023, 09:48
Static task
static1
General
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Target
1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe
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Size
4.1MB
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MD5
8ae63d8f9667c404268fa0fa03bd3272
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SHA1
e6e806f880a5f1654289e52d8b9e0e59ade87042
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SHA256
1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8
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SHA512
53954f25ce1f9550d3dbd615a72c2bca1d63a56adaf10fb7e2ba55e63e6b6c874aaf496936d59961621afb32bad53506bda6d381033c21e417379a59151de833
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SSDEEP
98304:I8Ho6aNj9/Vi1Np5yIfJ+ZqGB/z5XfJaZBlhdCjwx:DHo6a7V6+IfJ+ZqGtz9fJIJdCjI
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1556-2-0x0000000002FD0000-0x00000000038BB000-memory.dmp family_glupteba behavioral1/memory/1556-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1556-8-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1556-25-0x0000000002FD0000-0x00000000038BB000-memory.dmp family_glupteba behavioral1/memory/1556-53-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3232-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1556-77-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3232-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3232-140-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3232-158-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-206-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-257-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-284-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4756-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3904 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4756 csrss.exe 4592 injector.exe 1792 windefender.exe 1212 windefender.exe 4768 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022d13-261.dat upx behavioral1/files/0x0007000000022d13-263.dat upx behavioral1/files/0x0007000000022d13-264.dat upx behavioral1/memory/1792-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1212-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1212-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1212-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000022cf9-288.dat upx behavioral1/files/0x0008000000022cf9-290.dat upx behavioral1/memory/1212-292-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe File created C:\Windows\rss\csrss.exe 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3924 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 2988 schtasks.exe 3416 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight 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\1a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3536 powershell.exe 3536 powershell.exe 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 4024 powershell.exe 4024 powershell.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 2936 powershell.exe 2936 powershell.exe 2016 powershell.exe 2016 powershell.exe 440 powershell.exe 440 powershell.exe 4076 powershell.exe 4076 powershell.exe 4808 powershell.exe 4808 powershell.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4756 csrss.exe 4756 csrss.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4756 csrss.exe 4756 csrss.exe 4592 injector.exe 4592 injector.exe 4756 csrss.exe 4756 csrss.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Token: SeImpersonatePrivilege 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 2016 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 4808 powershell.exe Token: SeSystemEnvironmentPrivilege 4756 csrss.exe Token: SeSecurityPrivilege 3924 sc.exe Token: SeSecurityPrivilege 3924 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1556 wrote to memory of 3536 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 93 PID 1556 wrote to memory of 3536 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 93 PID 1556 wrote to memory of 3536 1556 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 93 PID 3232 wrote to memory of 4024 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 98 PID 3232 wrote to memory of 4024 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 98 PID 3232 wrote to memory of 4024 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 98 PID 3232 wrote to memory of 2596 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 101 PID 3232 wrote to memory of 2596 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 101 PID 2596 wrote to memory of 3904 2596 cmd.exe 103 PID 2596 wrote to memory of 3904 2596 cmd.exe 103 PID 3232 wrote to memory of 2936 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 104 PID 3232 wrote to memory of 2936 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 104 PID 3232 wrote to memory of 2936 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 104 PID 3232 wrote to memory of 2016 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 106 PID 3232 wrote to memory of 2016 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 106 PID 3232 wrote to memory of 2016 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 106 PID 3232 wrote to memory of 4756 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 109 PID 3232 wrote to memory of 4756 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 109 PID 3232 wrote to memory of 4756 3232 1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe 109 PID 4756 wrote to memory of 440 4756 csrss.exe 110 PID 4756 wrote to memory of 440 4756 csrss.exe 110 PID 4756 wrote to memory of 440 4756 csrss.exe 110 PID 4756 wrote to memory of 4076 4756 csrss.exe 115 PID 4756 wrote to memory of 4076 4756 csrss.exe 115 PID 4756 wrote to memory of 4076 4756 csrss.exe 115 PID 4756 wrote to memory of 4808 4756 csrss.exe 118 PID 4756 wrote to memory of 4808 4756 csrss.exe 118 PID 4756 wrote to memory of 4808 4756 csrss.exe 118 PID 4756 wrote to memory of 4592 4756 csrss.exe 120 PID 4756 wrote to memory of 4592 4756 csrss.exe 120 PID 1792 wrote to memory of 4632 1792 windefender.exe 126 PID 1792 wrote to memory of 4632 1792 windefender.exe 126 PID 1792 wrote to memory of 4632 1792 windefender.exe 126 PID 4632 wrote to memory of 3924 4632 cmd.exe 127 PID 4632 wrote to memory of 3924 4632 cmd.exe 127 PID 4632 wrote to memory of 3924 4632 cmd.exe 127 PID 4756 wrote to memory of 4768 4756 csrss.exe 130 PID 4756 wrote to memory of 4768 4756 csrss.exe 130 PID 4756 wrote to memory of 4768 4756 csrss.exe 130 -
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\1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe"C:\Users\Admin\AppData\Local\Temp\1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3536
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C:\Users\Admin\AppData\Local\Temp\1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.exe"C:\Users\Admin\AppData\Local\Temp\1878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8.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:3232 -
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:4024
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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:2596 -
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:3904
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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:2936
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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:2016
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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:4756 -
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:440
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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:2988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3564
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4076
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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:4808
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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:4592
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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:3416
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1792 -
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:4632 -
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:3924
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4768 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4812
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1212
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
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f279b02c08aefb1a935344a1ecb324fe
SHA1226dc2f0d4f0a16f29d317e2724b50285410ce49
SHA25690ffb10dad0c024cf149b8ac28b06c3d2f1580e162f8e23f69e8d9e6e340b643
SHA5127d8b326060ae1bc7f0eb6ecbce2c1c8e9a1accc6414fed2a9e44aa232610fea74aa70760f650dadb2b59abec1187ac75ca30d103e8b36cd72469d7252dfd2b2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572e8ccc0ebff8da57bdcab7364ec7811
SHA1fcae9c262c3e7dc9f37e9ee3ebe96918575b3fd3
SHA2561774612417d400e92b7d63b7d6afe592e3f6ca0ec4f9ee4ed158f3d1083b4033
SHA5127994bbab770121866c02c9f5cb3ebda4312af5b59f124cc40e6998013376e5d491e636f1553a7b85107eb700db6fbbb13d0d85403acfbb8efd9bd6cba1d2144a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD501db58a98caebd5536f93c59481aebf6
SHA1016db55b01c4abe08404069faa7a5985ae03381c
SHA256504752a6032fd38739fc99c6878e942e743be057b78299ae4124b6ee72486111
SHA5120b6555d0296c855b70222badb9c93e709e0c2cf20b78e5e1b8ab997543aaa5dad04c6de68b23d441ed5c43112af936acbfa61f5ebca934d07178184d91c99ccd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ecfe62b9646c29b950e6a7249a823c1
SHA1b71afd734c28f4ccd837e7c347e2b27a7af7ab57
SHA2561e9afe83effaa4a3548e1587c6600385d3d761c9f5446ab6765fdc2914696f4c
SHA51234c8e00258a64c6dd7bbf0807c55a2fc2218a90263e071b72db295d29df0453c8f2cca4d45cad50f35890dd184e3debbb936938ff654f8ae6a25e06d2f0de4dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b4e63998c81883913bde61326a099d3
SHA129a2fa130232425392046355655d07dbc3e9eef2
SHA2560946967e88408633954616bb1cd579fe912c39611fd9c220f0e958ea6d66c88e
SHA5122d778e2b8d251793a5e77866efaf115b2d892c6ab2521c927e0f0e86b49d07ad0fa49272c1b5bf17cbba8ffc6d194f9055404c2e45ddc68b5fe3f21bb867e67c
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Filesize
4.1MB
MD58ae63d8f9667c404268fa0fa03bd3272
SHA1e6e806f880a5f1654289e52d8b9e0e59ade87042
SHA2561878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8
SHA51253954f25ce1f9550d3dbd615a72c2bca1d63a56adaf10fb7e2ba55e63e6b6c874aaf496936d59961621afb32bad53506bda6d381033c21e417379a59151de833
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Filesize
4.1MB
MD58ae63d8f9667c404268fa0fa03bd3272
SHA1e6e806f880a5f1654289e52d8b9e0e59ade87042
SHA2561878c75055a6fb74476eb184699113295c611b7398fd1e4671697f98f4499ab8
SHA51253954f25ce1f9550d3dbd615a72c2bca1d63a56adaf10fb7e2ba55e63e6b6c874aaf496936d59961621afb32bad53506bda6d381033c21e417379a59151de833
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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