Analysis
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max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe
Resource
win10v2004-20240508-en
General
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Target
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe
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Size
4.1MB
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MD5
e4f28548577a2a7df80e75ed8d296a07
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SHA1
e1406d4d895e1ae5aa3fd730c94abec4b3ff892e
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SHA256
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01
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SHA512
aee7e59d41b12fff23e9b9b150943002bfc4c59082e59918a8ea305cd4ac0957c5a1dd358ab21817fcca3e8d19020bdcf31556b1cae6da4ba5ce36f829edac5c
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpp:FwqoWyv4yANjKQa7of
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1836-2-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral2/memory/1836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1836-39-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1836-53-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral2/memory/1836-51-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1836-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4508-75-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4508-127-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-150-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-205-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-212-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-220-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-224-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-227-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-232-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-240-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-244-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3056-248-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3056 csrss.exe 4464 injector.exe 780 windefender.exe 4280 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-209.dat upx behavioral2/memory/780-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4280-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/780-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4280-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4280-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe File created C:\Windows\rss\csrss.exe f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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 948 sc.exe -
pid Process 4664 powershell.exe 2408 powershell.exe 1008 powershell.exe 2328 powershell.exe 1348 powershell.exe 1484 powershell.exe 1900 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 4932 schtasks.exe 3688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-42 = "E. South America 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2328 powershell.exe 2328 powershell.exe 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 1348 powershell.exe 1348 powershell.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 1484 powershell.exe 1484 powershell.exe 1900 powershell.exe 1900 powershell.exe 4664 powershell.exe 4664 powershell.exe 2408 powershell.exe 2408 powershell.exe 1008 powershell.exe 1008 powershell.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 3056 csrss.exe 3056 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 3056 csrss.exe 3056 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 3056 csrss.exe 3056 csrss.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe 4464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2328 powershell.exe Token: SeDebugPrivilege 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Token: SeImpersonatePrivilege 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Token: SeDebugPrivilege 1348 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 1008 powershell.exe Token: SeSystemEnvironmentPrivilege 3056 csrss.exe Token: SeSecurityPrivilege 948 sc.exe Token: SeSecurityPrivilege 948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1836 wrote to memory of 2328 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 78 PID 1836 wrote to memory of 2328 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 78 PID 1836 wrote to memory of 2328 1836 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 78 PID 4508 wrote to memory of 1348 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 83 PID 4508 wrote to memory of 1348 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 83 PID 4508 wrote to memory of 1348 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 83 PID 4508 wrote to memory of 1732 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 85 PID 4508 wrote to memory of 1732 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 85 PID 1732 wrote to memory of 3436 1732 cmd.exe 87 PID 1732 wrote to memory of 3436 1732 cmd.exe 87 PID 4508 wrote to memory of 1484 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 88 PID 4508 wrote to memory of 1484 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 88 PID 4508 wrote to memory of 1484 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 88 PID 4508 wrote to memory of 1900 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 90 PID 4508 wrote to memory of 1900 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 90 PID 4508 wrote to memory of 1900 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 90 PID 4508 wrote to memory of 3056 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 92 PID 4508 wrote to memory of 3056 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 92 PID 4508 wrote to memory of 3056 4508 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 92 PID 3056 wrote to memory of 4664 3056 csrss.exe 93 PID 3056 wrote to memory of 4664 3056 csrss.exe 93 PID 3056 wrote to memory of 4664 3056 csrss.exe 93 PID 3056 wrote to memory of 2408 3056 csrss.exe 99 PID 3056 wrote to memory of 2408 3056 csrss.exe 99 PID 3056 wrote to memory of 2408 3056 csrss.exe 99 PID 3056 wrote to memory of 1008 3056 csrss.exe 101 PID 3056 wrote to memory of 1008 3056 csrss.exe 101 PID 3056 wrote to memory of 1008 3056 csrss.exe 101 PID 3056 wrote to memory of 4464 3056 csrss.exe 103 PID 3056 wrote to memory of 4464 3056 csrss.exe 103 PID 780 wrote to memory of 3796 780 windefender.exe 109 PID 780 wrote to memory of 3796 780 windefender.exe 109 PID 780 wrote to memory of 3796 780 windefender.exe 109 PID 3796 wrote to memory of 948 3796 cmd.exe 110 PID 3796 wrote to memory of 948 3796 cmd.exe 110 PID 3796 wrote to memory of 948 3796 cmd.exe 110 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
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C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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:4508 -
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:1348
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1732 -
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:3436
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
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:4664
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4932
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1008
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:780 -
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:3796 -
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:948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4280
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536d42212151d6c92815aaeb6cf002207
SHA1009f0a69d61850f5731303a9030e0328b8f9c725
SHA2568bfa9ef3cef20bcdd30192692a914e95174bd1a51668ee0e2203d43cfea67abe
SHA512c99fb83e4d3f2ff9c34900b2e2e04225b107f738635a69a8519e64c7620ef1ceed76a2833f704615f2288be056bc661a9c9fd07d7606b4d8f0d519ae08b874cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539e21b35a4d69eb08ca1c1bae53d4552
SHA1302a575edf72c070b1ce1f559ac497bee705f6c8
SHA25649991cd87c0216b880b6e9646b92ad0cd068bff66c4924ed9173a367e99c4643
SHA5120703abc8cb6f73b6ed699078dcfe104e82806c27996c4381ce51bc30b52cfdd2c2a7dee5b96d04ef39d71d9001435058b89af7cf68ee4161b3e55fca1f4dec60
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5d44e186b11a47ddee7f0c67ab09819
SHA1810df7de0595374f07bc191928dad2c43ad232a5
SHA2565c6600007b8464c381ce6eab7abff5554ac7b758dfb7294aad8d40022a46d221
SHA51259a42a5c1a66f6d2c29273a6b919b26836ed5568d0e2702bb3765acf490a03c4e4e80b090a7906094976cffef62cf02aaa9a8226bc7dddb4583d5d84c76c78f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554e973365b80f54cb71992f48925f574
SHA1263a89125cc3f74786f74f1b9d96658cb0340009
SHA2561e4fc1b12f22015f679b3f16d0976977230484b920ddc78b10cf7223ca2e2c34
SHA512ab9ddbd279b496802b95d3c56e2cb68943d0a4c8fedc47b5db957132392f3fe46bf13a4c3be9ce5de186598c506476c677ee536b063d782f5d22bae05bb82a1a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc5602ea19c873e153b1feccc3deeaa2
SHA1ffa6ef9f84f90a9aa4142722652e3b4705aa9fb7
SHA256c20214f8ff49299080b9958191b1f2de60c79ee7c8a02b2ac82b2e71172c5894
SHA51283d6773d66cdd8b62b3720b6a7dd6c1c1a4bac32be080dabdc1c28fb60e3ebf3ea66bcff1063b279917415b1ecd2d82805c8da719869f13c477890fc2b45d59b
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Filesize
4.1MB
MD5e4f28548577a2a7df80e75ed8d296a07
SHA1e1406d4d895e1ae5aa3fd730c94abec4b3ff892e
SHA256f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01
SHA512aee7e59d41b12fff23e9b9b150943002bfc4c59082e59918a8ea305cd4ac0957c5a1dd358ab21817fcca3e8d19020bdcf31556b1cae6da4ba5ce36f829edac5c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec