Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe
Resource
win10v2004-20240508-en
General
-
Target
c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe
-
Size
4.1MB
-
MD5
aa3f21186c9164e65ba5a0e95532e77d
-
SHA1
c9f2c3b57dbb396ab2567c43c854fd3551104802
-
SHA256
c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8
-
SHA512
54e1996278e8fbc1ae880985c14f3ee2b5df9ab364b4b9dd45ec8bb49aaed9b4caa7884c40f3d70861eceb8550a09a38efaa5b0dd0604b7ede9d7b2ec0a3a9d9
-
SSDEEP
98304:IafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjw:I4KGRhU7CB2KZRm43qRo3hpTjw
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/396-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/396-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/396-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/396-79-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/4160-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4160-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4012-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4012 csrss.exe 4520 injector.exe 988 windefender.exe 4888 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-206.dat upx behavioral2/memory/988-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/988-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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.
-
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 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 -
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 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3744 sc.exe -
pid Process 1200 powershell.exe 3584 powershell.exe 3836 powershell.exe 2412 powershell.exe 680 powershell.exe 3484 powershell.exe 4660 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 2944 schtasks.exe 4872 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,-2432 = "Cuba Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.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,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3836 powershell.exe 3836 powershell.exe 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 2412 powershell.exe 2412 powershell.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 680 powershell.exe 680 powershell.exe 3484 powershell.exe 3484 powershell.exe 4660 powershell.exe 4660 powershell.exe 1200 powershell.exe 1200 powershell.exe 3584 powershell.exe 3584 powershell.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4012 csrss.exe 4012 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4012 csrss.exe 4012 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4012 csrss.exe 4012 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Token: SeImpersonatePrivilege 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeSystemEnvironmentPrivilege 4012 csrss.exe Token: SeSecurityPrivilege 3744 sc.exe Token: SeSecurityPrivilege 3744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 396 wrote to memory of 3836 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 82 PID 396 wrote to memory of 3836 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 82 PID 396 wrote to memory of 3836 396 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 82 PID 4160 wrote to memory of 2412 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 88 PID 4160 wrote to memory of 2412 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 88 PID 4160 wrote to memory of 2412 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 88 PID 4160 wrote to memory of 2320 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 90 PID 4160 wrote to memory of 2320 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 90 PID 2320 wrote to memory of 756 2320 cmd.exe 92 PID 2320 wrote to memory of 756 2320 cmd.exe 92 PID 4160 wrote to memory of 680 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 93 PID 4160 wrote to memory of 680 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 93 PID 4160 wrote to memory of 680 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 93 PID 4160 wrote to memory of 3484 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 95 PID 4160 wrote to memory of 3484 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 95 PID 4160 wrote to memory of 3484 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 95 PID 4160 wrote to memory of 4012 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 97 PID 4160 wrote to memory of 4012 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 97 PID 4160 wrote to memory of 4012 4160 c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe 97 PID 4012 wrote to memory of 4660 4012 csrss.exe 98 PID 4012 wrote to memory of 4660 4012 csrss.exe 98 PID 4012 wrote to memory of 4660 4012 csrss.exe 98 PID 4012 wrote to memory of 1200 4012 csrss.exe 104 PID 4012 wrote to memory of 1200 4012 csrss.exe 104 PID 4012 wrote to memory of 1200 4012 csrss.exe 104 PID 4012 wrote to memory of 3584 4012 csrss.exe 106 PID 4012 wrote to memory of 3584 4012 csrss.exe 106 PID 4012 wrote to memory of 3584 4012 csrss.exe 106 PID 4012 wrote to memory of 4520 4012 csrss.exe 108 PID 4012 wrote to memory of 4520 4012 csrss.exe 108 PID 988 wrote to memory of 3808 988 windefender.exe 114 PID 988 wrote to memory of 3808 988 windefender.exe 114 PID 988 wrote to memory of 3808 988 windefender.exe 114 PID 3808 wrote to memory of 3744 3808 cmd.exe 115 PID 3808 wrote to memory of 3744 3808 cmd.exe 115 PID 3808 wrote to memory of 3744 3808 cmd.exe 115 -
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
-
C:\Users\Admin\AppData\Local\Temp\c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe"C:\Users\Admin\AppData\Local\Temp\c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
-
-
C:\Users\Admin\AppData\Local\Temp\c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.exe"C:\Users\Admin\AppData\Local\Temp\c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8.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:4160 -
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:2412
-
-
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:2320 -
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:756
-
-
-
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:680
-
-
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:3484
-
-
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:4012 -
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:4660
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2944
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4636
-
-
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:1200
-
-
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:3584
-
-
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:4520
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4872
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:988 -
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:3808 -
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:3744
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4888
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d97b4f97254268af5be63c0cbcf397f9
SHA1012bb503dce3c67b607bc987ae7bbb741de11a6c
SHA2562bab71d943b3f37aa6670a8b05ee48d55f44a9e4b863249becd7c3eae9d9ed15
SHA5123c420752b42f52fed1d5bf9a0a00cea336009aa8d578415f3e95a67e4ef7b9b7a4f7b6e6bf8e864ce8f43459bbc633fef0264092afc42cb88f64bc5c7315d87f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f758fca43adf77172b0ee9a92526b1a
SHA1e718c8907921b52e3c01bce2fb15512e7a4363fa
SHA256388f1f00d9754d54ef4b4a6f48acaed8772391fd7869dbec75a23f94da2cf5fd
SHA512fb69925bd2ab2701cbd388ca12a896cd8223be9f1b7e28fd0817cfcfb8734214f926d44623ca164f606e3848b741234f8f132f21b9e30a0925888639c4959a56
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5437ec625c886081f2e39925f75e7947c
SHA1a9ad3b2f560511c7d357145d393ea4515473a207
SHA25667d56454a996375401aa674bdc6a92e794cd65589a3dc6e2c7c8158d39a13fde
SHA512c330b33c381145479c42a7c73bf3b4a56c234f93aade7b75ca5b3f7a4223c300126500ac7acb41b0d2c94f0b5849a52833f210d5511e526e5cce3c627c7a7033
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52618194aacaa860b3903554eecf677ec
SHA1e071726f7321d1345841d3a752d92f901292cd44
SHA2565c1b4b84a3bb0439c83933f47b589f5f618858255283846b6d7e6ccefe7e0f6f
SHA5124dd1aad0779cf72264e720163ec289e2436265c68bdec27a3b3191d545b6ef9a72e9d0c848b6dbea663c86f74f04bf4c263b0274ec872a893853276dea655fc5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eaad9e8e4624f3376a067f5a9f3ca295
SHA11997aa82ec7f59e122f304c98095024a25581f0e
SHA256d0dc5174e04c8fe9fdbf3cf42bd678c287ea6edc30a9eeb8b34fd14d8f91c4ea
SHA512bda330a9abd836d2070d76e8beb628db5dabba53a51094befaf186f396692ceaee41dd98583857b832e7929d535414193d6b113b4c0d8e35509c9de1c5753672
-
Filesize
4.1MB
MD5aa3f21186c9164e65ba5a0e95532e77d
SHA1c9f2c3b57dbb396ab2567c43c854fd3551104802
SHA256c6b8b5ea7679158ee5533b0bc1e0e114c6a30f4f1aae4d53800b56977d4cd8f8
SHA51254e1996278e8fbc1ae880985c14f3ee2b5df9ab364b4b9dd45ec8bb49aaed9b4caa7884c40f3d70861eceb8550a09a38efaa5b0dd0604b7ede9d7b2ec0a3a9d9
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec