Analysis
-
max time kernel
150s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 10:08
Static task
static1
Behavioral task
behavioral1
Sample
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe
Resource
win10v2004-20240508-en
General
-
Target
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe
-
Size
4.1MB
-
MD5
2f07701648e73fca5b935d6a460abcd1
-
SHA1
f8fd6b9e2c693389cd73615dffd961f86d66e6db
-
SHA256
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e
-
SHA512
e055a9560751ca2e1c7c283fc6cf17302ebfa547b94c7ba62a76b8fc1b688c7362d31680f2c254bed3c370f4483340e14f1c851b1f765b5d0a0658a2eaf8ec8b
-
SSDEEP
98304:0M9WoC63Nv9upWzfjPm7fJOO4ZCo8569XPioCQuxIr:PEz6dvWyjPHdCoxxiguxW
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2360-2-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral2/memory/2360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2360-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2360-52-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral2/memory/2360-49-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/2980-119-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/2980-124-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-203-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-213-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-214-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-216-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-218-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-221-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-222-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-224-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-226-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-229-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-230-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/5036-232-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3620 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5036 csrss.exe 2876 injector.exe 4976 windefender.exe 4880 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fb-206.dat upx behavioral2/memory/4976-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4880-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4976-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4880-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4880-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4880-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe File created C:\Windows\rss\csrss.exe 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3340 sc.exe -
pid Process 924 powershell.exe 4208 powershell.exe 1636 powershell.exe 3032 powershell.exe 1652 powershell.exe 3248 powershell.exe 1136 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 3812 schtasks.exe 1840 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.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" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.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" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.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" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.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,-532 = "Sri Lanka Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1636 powershell.exe 1636 powershell.exe 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 3032 powershell.exe 3032 powershell.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 1652 powershell.exe 1652 powershell.exe 3248 powershell.exe 3248 powershell.exe 1136 powershell.exe 1136 powershell.exe 924 powershell.exe 924 powershell.exe 4208 powershell.exe 4208 powershell.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 5036 csrss.exe 5036 csrss.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 5036 csrss.exe 5036 csrss.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 5036 csrss.exe 5036 csrss.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Token: SeImpersonatePrivilege 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeSystemEnvironmentPrivilege 5036 csrss.exe Token: SeSecurityPrivilege 3340 sc.exe Token: SeSecurityPrivilege 3340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1636 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 84 PID 2360 wrote to memory of 1636 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 84 PID 2360 wrote to memory of 1636 2360 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 84 PID 2980 wrote to memory of 3032 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 89 PID 2980 wrote to memory of 3032 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 89 PID 2980 wrote to memory of 3032 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 89 PID 2980 wrote to memory of 1528 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 91 PID 2980 wrote to memory of 1528 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 91 PID 1528 wrote to memory of 3620 1528 cmd.exe 93 PID 1528 wrote to memory of 3620 1528 cmd.exe 93 PID 2980 wrote to memory of 1652 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 94 PID 2980 wrote to memory of 1652 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 94 PID 2980 wrote to memory of 1652 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 94 PID 2980 wrote to memory of 3248 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2980 wrote to memory of 3248 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2980 wrote to memory of 3248 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2980 wrote to memory of 5036 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 98 PID 2980 wrote to memory of 5036 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 98 PID 2980 wrote to memory of 5036 2980 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 98 PID 5036 wrote to memory of 1136 5036 csrss.exe 99 PID 5036 wrote to memory of 1136 5036 csrss.exe 99 PID 5036 wrote to memory of 1136 5036 csrss.exe 99 PID 5036 wrote to memory of 924 5036 csrss.exe 105 PID 5036 wrote to memory of 924 5036 csrss.exe 105 PID 5036 wrote to memory of 924 5036 csrss.exe 105 PID 5036 wrote to memory of 4208 5036 csrss.exe 107 PID 5036 wrote to memory of 4208 5036 csrss.exe 107 PID 5036 wrote to memory of 4208 5036 csrss.exe 107 PID 5036 wrote to memory of 2876 5036 csrss.exe 109 PID 5036 wrote to memory of 2876 5036 csrss.exe 109 PID 4976 wrote to memory of 3036 4976 windefender.exe 115 PID 4976 wrote to memory of 3036 4976 windefender.exe 115 PID 4976 wrote to memory of 3036 4976 windefender.exe 115 PID 3036 wrote to memory of 3340 3036 cmd.exe 116 PID 3036 wrote to memory of 3340 3036 cmd.exe 116 PID 3036 wrote to memory of 3340 3036 cmd.exe 116 -
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\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636
-
-
C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.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:2980 -
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:3032
-
-
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:1528 -
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:3620
-
-
-
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:1652
-
-
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:3248
-
-
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:5036 -
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:1136
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3812
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5012
-
-
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:924
-
-
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:4208
-
-
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:2876
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1840
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4976 -
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:3036 -
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:3340
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4880
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
MD5403485eda767338ca2da36b704ce7afa
SHA159f1c7b07ee6e1819f5edc242339c96108f676b7
SHA256ddcca0c63ee9476b36d94b1fd725f81c7d374aacb551129776f98d422f3b34fa
SHA512677274a563fc2a8fd50dd6c9af0b09f0a50ec3268f5049019b1668bb2186c5aaafc1a48de0c51b2056b496cdbf00d31028190dda3e8afb3a383ec04ee61a8c6a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544924f02674263a276868f45c2b0c2cb
SHA1152f11ff3d002cba43f0f8d850f03aa26b7e852b
SHA256ebafeb4f38fed173ad0e0afb81ec7c6914760414b71478da5eef5f466314fd2a
SHA512b41bfe6fb24cb23ee8e775502165719fe2ce8047ca07e85e3e8d27c2fcec644be3708c2581f48ddcfe2cdff4e3f1f470145dc3b7c3ec359a597baeddcf6774f1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59407c10ae69433a6707fc28f0a1d824f
SHA17ff544f595ca32b4200dc2f0204b8528871e79f6
SHA2562dbdd5673457dfa5620c333f9c08602f85771644394f57060adb1529626825c4
SHA512e7d3e7d74b62818db63f6ebc1634c4eafb5825da84a1cc045f99e14a5b5484b19394a929c52c67b0298005222cba7b7d5ffdc5b6e101d10383156d8b78f4ed45
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e58bb8ac4971cb2608550c30f6d13bb4
SHA183fe425a37c679a4bd62f59b26dbbfdfc95a48ee
SHA2564113da5909814e4a7e62e8647b6fb7d88898db54bc5b75c42854ab196cb9f652
SHA512233b427e785902c3208bfb9c20f2b454824d63c3f5043887ba59ddf326c2c7cc06ddd210a6b66e9e29a27ada04547fa54c3da4072241452b22cce59a559e9b7d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ad5203567012cbb0b9e6bf8bb7e2436
SHA1b1ed0628e1a7a8beedb31ed843354a33a6006f11
SHA2562bfd46cc9d6de60d6d854d79375dcd9a9ee1e3058be1d98b248884ecb6b23ef2
SHA5124a092b4ce4355a95ac8b8471360f293047bae5bc300cdee5462bd1548257f4a945a2c9603382ba65b495ad157e19ecc02d6ab1d740e306ef91c6a0842a67f1ae
-
Filesize
4.1MB
MD52f07701648e73fca5b935d6a460abcd1
SHA1f8fd6b9e2c693389cd73615dffd961f86d66e6db
SHA25674dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e
SHA512e055a9560751ca2e1c7c283fc6cf17302ebfa547b94c7ba62a76b8fc1b688c7362d31680f2c254bed3c370f4483340e14f1c851b1f765b5d0a0658a2eaf8ec8b
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec