Analysis
-
max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
Resource
win10v2004-20240426-en
General
-
Target
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe
-
Size
4.1MB
-
MD5
a3f749fce2a2b6ef0a2767ffeb8f0b69
-
SHA1
79c912e540b5c9f9a74207d1f13fff40ddca5f73
-
SHA256
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
-
SHA512
2324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
-
SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2q:1H+PiSfw6Rz4ejOEAZ44S5J5ww2q
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2900-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral2/memory/2900-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2900-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2900-54-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral2/memory/2900-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3024-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-204-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4188-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4940 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4188 csrss.exe 4972 injector.exe 4088 windefender.exe 244 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa6c-207.dat upx behavioral2/memory/4088-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4088-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe File created C:\Windows\rss\csrss.exe d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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.
Processes:
sc.exepid Process 4840 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1712 powershell.exe 4548 powershell.exe 4788 powershell.exe 804 powershell.exe 3500 powershell.exe 3996 powershell.exe 3048 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3752 schtasks.exe 4064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\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,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight 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,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-252 = "Dateline Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4788 powershell.exe 4788 powershell.exe 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 804 powershell.exe 804 powershell.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 3500 powershell.exe 3500 powershell.exe 3996 powershell.exe 3996 powershell.exe 3048 powershell.exe 3048 powershell.exe 1712 powershell.exe 1712 powershell.exe 4548 powershell.exe 4548 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4188 csrss.exe 4188 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4188 csrss.exe 4188 csrss.exe 4972 injector.exe 4972 injector.exe 4188 csrss.exe 4188 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeImpersonatePrivilege 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 1712 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeSystemEnvironmentPrivilege 4188 csrss.exe Token: SeSecurityPrivilege 4840 sc.exe Token: SeSecurityPrivilege 4840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exed7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2900 wrote to memory of 4788 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 80 PID 2900 wrote to memory of 4788 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 80 PID 2900 wrote to memory of 4788 2900 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 80 PID 3024 wrote to memory of 804 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 86 PID 3024 wrote to memory of 804 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 86 PID 3024 wrote to memory of 804 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 86 PID 3024 wrote to memory of 3920 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 88 PID 3024 wrote to memory of 3920 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 88 PID 3920 wrote to memory of 4940 3920 cmd.exe 90 PID 3920 wrote to memory of 4940 3920 cmd.exe 90 PID 3024 wrote to memory of 3500 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 91 PID 3024 wrote to memory of 3500 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 91 PID 3024 wrote to memory of 3500 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 91 PID 3024 wrote to memory of 3996 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 93 PID 3024 wrote to memory of 3996 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 93 PID 3024 wrote to memory of 3996 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 93 PID 3024 wrote to memory of 4188 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 95 PID 3024 wrote to memory of 4188 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 95 PID 3024 wrote to memory of 4188 3024 d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe 95 PID 4188 wrote to memory of 3048 4188 csrss.exe 96 PID 4188 wrote to memory of 3048 4188 csrss.exe 96 PID 4188 wrote to memory of 3048 4188 csrss.exe 96 PID 4188 wrote to memory of 1712 4188 csrss.exe 102 PID 4188 wrote to memory of 1712 4188 csrss.exe 102 PID 4188 wrote to memory of 1712 4188 csrss.exe 102 PID 4188 wrote to memory of 4548 4188 csrss.exe 104 PID 4188 wrote to memory of 4548 4188 csrss.exe 104 PID 4188 wrote to memory of 4548 4188 csrss.exe 104 PID 4188 wrote to memory of 4972 4188 csrss.exe 106 PID 4188 wrote to memory of 4972 4188 csrss.exe 106 PID 4088 wrote to memory of 2216 4088 windefender.exe 112 PID 4088 wrote to memory of 2216 4088 windefender.exe 112 PID 4088 wrote to memory of 2216 4088 windefender.exe 112 PID 2216 wrote to memory of 4840 2216 cmd.exe 113 PID 2216 wrote to memory of 4840 2216 cmd.exe 113 PID 2216 wrote to memory of 4840 2216 cmd.exe 113 -
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\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4788
-
-
C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.exe"C:\Users\Admin\AppData\Local\Temp\d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e.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:3024 -
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:804
-
-
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:3920 -
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:4940
-
-
-
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:3500
-
-
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:3996
-
-
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:4188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3752
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4336
-
-
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:1712
-
-
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:4548
-
-
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:4972
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4064
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4088 -
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:2216 -
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:4840
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:244
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fab1703c5a69768771be2e9d8bdff65
SHA199fca1f6462cfcf02244be4714183464f8f7d5d7
SHA256afc940b10c4e129b9cf921ae0f03c7dc53ca7d5f9cd7fb524edd715af8138423
SHA512f7baf800a3117db7b945125704e9edecb7374ca49ec2a5b1bf3ba907fc71e49b56cf61061d5b61ce47660725ca0b2d23191296208d6160f292104cb9a868a1cf
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bfa5405732583d22ef625772d052275d
SHA16279905bdb5ad77bf0ac54e66afec38f3c22f15c
SHA256db9fdc50702e61cbbb7c7f42d1a16fb132322804bbdcb7ac08ce6af0bf0de73e
SHA5120874339f8e462e3ffcd06672d010ff3a430279d34e4ce2e6bb01e941c6c7e59c7d68c7b419fd4e7dd01626a3c6e5dca5df05d5d4eef8f7aaaf48b7596a7bc17b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c0d47b827755c79e860de1ccf3b36fb
SHA17ed398da9f2a56ccc01c6c7b2af899b4ec1de62d
SHA256ba6a831148af43a6a1d5dc05fc0eba3a6537a422bccf139e596dfce83c9d756e
SHA5126289345b740dfbdaea8d84e1ea834532df642811829d5c427c728f002f20ffa80845cdab8a384cdd9ffb91f31e655a90cedc09c6e30aeafa614bb3c9b43f4c36
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d3dbd53ba870e68fa8e48213400c65f
SHA1b39a7464a15962c84d623aecfaef8cf037b6540f
SHA256a991f77f510ab046edc3556e4222e806dc70c442925bf5f1f687b3fad13050d5
SHA5127bf03fda21cc791d90a14e9c1406dfc52c0afd45f70c4ac9579ea5b5cea40a7f429501bc4be06a3aa8dec61df79c33b0a5031d462e551cc86eff35c170de0bc3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53dbf1be5e655c1aff82b4298f230fa06
SHA19a6ede580db2acc099e3a5d53279bd67ca83e5a8
SHA25607ef93bf2a501df33b54ee79f08522fb965f18272917d6549e9737f6da86a7e3
SHA51231d575ad4f8069c19db771043290694eab05ad3518a17b59cc575dc2c243e0dab414b4132b503e2b1b38ce5d6490be14c6e88668dc3c1ac12d3c400bbffb6509
-
Filesize
4.1MB
MD5a3f749fce2a2b6ef0a2767ffeb8f0b69
SHA179c912e540b5c9f9a74207d1f13fff40ddca5f73
SHA256d7ebf04231b14f7ea4edbab44d6096ececa27bd4d6b2fc80da68b656b0c4cf9e
SHA5122324c5bea22a06cb4dd4dfc9a716f463578d5b7e8787ccad254f51f7d63cea48ef7ea900cf8f1ac5fecd9bee5b7e57468b9354f7b5d2a2aec5aa8f26f5600723
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec