Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 05:41
Static task
static1
Behavioral task
behavioral1
Sample
746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe
Resource
win10v2004-20240426-en
General
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Target
746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe
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Size
4.1MB
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MD5
e77af6eb05b0d50aa98ec9d9581aec30
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SHA1
362fcf7db11cbc2cccb0346d7362588a54444a46
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SHA256
746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac
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SHA512
330c084867ea38bbb97ee59f98f266e20a794d37f6c5070c33819cd2f96aa3613a99466bc8334fee3ecaed99d08359726883d0db0dc480a5590f2c6c8ca5d52e
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SSDEEP
98304:UWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YM:UW16ulMesXlnBp/sjruCqmtIOvaj
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/480-2-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral2/memory/480-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-54-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral2/memory/480-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3544-125-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-204-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-213-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-215-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-216-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-219-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-221-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-223-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-224-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-227-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-229-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-231-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-233-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4084-235-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3684 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4084 csrss.exe 4624 injector.exe 1916 windefender.exe 564 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa47-207.dat upx behavioral2/memory/1916-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1916-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/564-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/564-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe File created C:\Windows\rss\csrss.exe 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.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 3608 sc.exe -
pid Process 2092 powershell.exe 2192 powershell.exe 1432 powershell.exe 5020 powershell.exe 4620 powershell.exe 4832 powershell.exe 4624 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 4200 schtasks.exe 2864 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.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,-531 = "Sri Lanka Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.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,-1661 = "Bahia Daylight Time" windefender.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\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4624 powershell.exe 4624 powershell.exe 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 2092 powershell.exe 2092 powershell.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 2192 powershell.exe 2192 powershell.exe 1432 powershell.exe 1432 powershell.exe 5020 powershell.exe 5020 powershell.exe 4620 powershell.exe 4620 powershell.exe 4832 powershell.exe 4832 powershell.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4084 csrss.exe 4084 csrss.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4084 csrss.exe 4084 csrss.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4084 csrss.exe 4084 csrss.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe 4624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Token: SeImpersonatePrivilege 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeSystemEnvironmentPrivilege 4084 csrss.exe Token: SeSecurityPrivilege 3608 sc.exe Token: SeSecurityPrivilege 3608 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 480 wrote to memory of 4624 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 79 PID 480 wrote to memory of 4624 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 79 PID 480 wrote to memory of 4624 480 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 79 PID 3544 wrote to memory of 2092 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 84 PID 3544 wrote to memory of 2092 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 84 PID 3544 wrote to memory of 2092 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 84 PID 3544 wrote to memory of 904 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 86 PID 3544 wrote to memory of 904 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 86 PID 904 wrote to memory of 3684 904 cmd.exe 88 PID 904 wrote to memory of 3684 904 cmd.exe 88 PID 3544 wrote to memory of 2192 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 89 PID 3544 wrote to memory of 2192 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 89 PID 3544 wrote to memory of 2192 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 89 PID 3544 wrote to memory of 1432 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 91 PID 3544 wrote to memory of 1432 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 91 PID 3544 wrote to memory of 1432 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 91 PID 3544 wrote to memory of 4084 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 93 PID 3544 wrote to memory of 4084 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 93 PID 3544 wrote to memory of 4084 3544 746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe 93 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 4620 4084 csrss.exe 100 PID 4084 wrote to memory of 4620 4084 csrss.exe 100 PID 4084 wrote to memory of 4620 4084 csrss.exe 100 PID 4084 wrote to memory of 4832 4084 csrss.exe 102 PID 4084 wrote to memory of 4832 4084 csrss.exe 102 PID 4084 wrote to memory of 4832 4084 csrss.exe 102 PID 4084 wrote to memory of 4624 4084 csrss.exe 104 PID 4084 wrote to memory of 4624 4084 csrss.exe 104 PID 1916 wrote to memory of 2644 1916 windefender.exe 110 PID 1916 wrote to memory of 2644 1916 windefender.exe 110 PID 1916 wrote to memory of 2644 1916 windefender.exe 110 PID 2644 wrote to memory of 3608 2644 cmd.exe 111 PID 2644 wrote to memory of 3608 2644 cmd.exe 111 PID 2644 wrote to memory of 3608 2644 cmd.exe 111 -
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\746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe"C:\Users\Admin\AppData\Local\Temp\746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
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C:\Users\Admin\AppData\Local\Temp\746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.exe"C:\Users\Admin\AppData\Local\Temp\746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac.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:3544 -
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:2092
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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:904 -
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:3684
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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:2192
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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:1432
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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:4084 -
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:5020
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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:4200
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:132
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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:4620
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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:4832
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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:4624
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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:2864
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1916 -
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:2644 -
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:3608
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:564
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a844292dd83797b1cd574a1710524273
SHA179f97726d5975c39e44ef590cd53f94d2f38a5b8
SHA2562e006d59cc43b4e280793ea0a063dd264461a1f3d5e95a49c9492bb2d11e8ff9
SHA512f9f8fe0655f907acb07da0a05dfb4a90ef9eac7218c46755b719fbea5081c3f9dcd5e20dfce3c134ea901878ccfdb6508d180812d91f82f3d8ce097b553a4d35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5068182eb6dd98e7a701044eea83a5438
SHA1fe3cf385fb02670481374bbd311da80440691451
SHA256815a796a5c736d152211709c918e63e267a9507b387806f72704285d2183b24a
SHA512a68248a122109c9fac1a92769f7b427a0e1fab04cab123d8693e2033cbdd63aa6360d64f402cf85f38891697bfa513de886f3915bc7ab62dffb120086d9cb62e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1e65db877d8082b4fad56582430effd
SHA15ae7fe7a721dab0ca1d3719221320c404236a87b
SHA25625dffc69e82320603ad6050d780ecbe9e0091dab49f12cb5324bdf2336e4d02b
SHA5128257a9180e99438bce09644e4c136366a79c278b271ea4f79c0069d8c5bf390320fe67383d4ca436d7da58c361349bddb3ed0be9d7c0241a49b7c60272596d94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579781ea80feb61114bd4457d6754d1a2
SHA1fc4ba7fbd0df66e83f52d232c8d77a286808fc46
SHA256ec7e462472387f0d2a020d824ddab79240f88e497cc1e96898a0cbd0f19aca3e
SHA5127cfe8001134c6440150c021182a4086cddedff41b6796796fa66153ef4d706f2293f51a079b67ff618bcf33e1217a094e9f7e54dc73d8d401b76a7479eeeba00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cea74433ba8988a527dc5f800e34b5f1
SHA186b06051a1f5245c186ea7420bdc8e66a0bc5c49
SHA256469c56780e9891607f6c91b46cedde8a67c58db23b8e6d804193555f6b6b3df9
SHA512bdcbfc891f69079e501048f83fcaaf05a02cfbb710825d9258fea8f6e57cc3500b25dfc4c60baea2c7aa359d9a088ec5ed6c447c39496e34f5e0eaa057e559f6
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Filesize
4.1MB
MD5e77af6eb05b0d50aa98ec9d9581aec30
SHA1362fcf7db11cbc2cccb0346d7362588a54444a46
SHA256746d4605876bf2cc5ce581df5f9225bdd6181c5d751ac21dfb4fff71c93507ac
SHA512330c084867ea38bbb97ee59f98f266e20a794d37f6c5070c33819cd2f96aa3613a99466bc8334fee3ecaed99d08359726883d0db0dc480a5590f2c6c8ca5d52e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec