Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe
Resource
win10v2004-20240508-en
General
-
Target
63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe
-
Size
4.1MB
-
MD5
6dbb990ca269475bf07203047beb9ee4
-
SHA1
79e6540fed974eb27c8c7127442ddfb6df70b7a5
-
SHA256
63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b
-
SHA512
9fcc063bc70dfddbcd27be2911e38212e05d73a6e3181729e11b2946469963fddf6bd3507e3270da22f9930e35c8e65e06e86fb634841f0c2de01a049cff4032
-
SSDEEP
98304:M3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59XZ:MdQIuMQA9oQJ/gXDG
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1900-2-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/1900-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1900-55-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/1900-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4920-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4920-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2592-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3324 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2592 csrss.exe 2948 injector.exe 2408 windefender.exe 3688 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023432-224.dat upx behavioral1/memory/2408-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3688-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3688-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe File created C:\Windows\rss\csrss.exe 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.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 408 sc.exe -
pid Process 1268 powershell.exe 3968 powershell.exe 4940 powershell.exe 2316 powershell.exe 3908 powershell.exe 3696 powershell.exe 4448 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 3140 schtasks.exe 4980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian 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\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.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,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4448 powershell.exe 4448 powershell.exe 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 1268 powershell.exe 1268 powershell.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 3968 powershell.exe 3968 powershell.exe 4940 powershell.exe 4940 powershell.exe 2316 powershell.exe 2316 powershell.exe 3908 powershell.exe 3908 powershell.exe 3696 powershell.exe 3696 powershell.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2592 csrss.exe 2592 csrss.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2592 csrss.exe 2592 csrss.exe 2948 injector.exe 2948 injector.exe 2592 csrss.exe 2592 csrss.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Token: SeImpersonatePrivilege 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeSystemEnvironmentPrivilege 2592 csrss.exe Token: SeSecurityPrivilege 408 sc.exe Token: SeSecurityPrivilege 408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1900 wrote to memory of 4448 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 86 PID 1900 wrote to memory of 4448 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 86 PID 1900 wrote to memory of 4448 1900 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 86 PID 4920 wrote to memory of 1268 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 94 PID 4920 wrote to memory of 1268 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 94 PID 4920 wrote to memory of 1268 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 94 PID 4920 wrote to memory of 2304 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 98 PID 4920 wrote to memory of 2304 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 98 PID 2304 wrote to memory of 3324 2304 cmd.exe 100 PID 2304 wrote to memory of 3324 2304 cmd.exe 100 PID 4920 wrote to memory of 3968 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 101 PID 4920 wrote to memory of 3968 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 101 PID 4920 wrote to memory of 3968 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 101 PID 4920 wrote to memory of 4940 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 103 PID 4920 wrote to memory of 4940 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 103 PID 4920 wrote to memory of 4940 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 103 PID 4920 wrote to memory of 2592 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 105 PID 4920 wrote to memory of 2592 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 105 PID 4920 wrote to memory of 2592 4920 63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe 105 PID 2592 wrote to memory of 2316 2592 csrss.exe 106 PID 2592 wrote to memory of 2316 2592 csrss.exe 106 PID 2592 wrote to memory of 2316 2592 csrss.exe 106 PID 2592 wrote to memory of 3908 2592 csrss.exe 111 PID 2592 wrote to memory of 3908 2592 csrss.exe 111 PID 2592 wrote to memory of 3908 2592 csrss.exe 111 PID 2592 wrote to memory of 3696 2592 csrss.exe 114 PID 2592 wrote to memory of 3696 2592 csrss.exe 114 PID 2592 wrote to memory of 3696 2592 csrss.exe 114 PID 2592 wrote to memory of 2948 2592 csrss.exe 117 PID 2592 wrote to memory of 2948 2592 csrss.exe 117 PID 2408 wrote to memory of 2104 2408 windefender.exe 124 PID 2408 wrote to memory of 2104 2408 windefender.exe 124 PID 2408 wrote to memory of 2104 2408 windefender.exe 124 PID 2104 wrote to memory of 408 2104 cmd.exe 125 PID 2104 wrote to memory of 408 2104 cmd.exe 125 PID 2104 wrote to memory of 408 2104 cmd.exe 125 -
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\63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe"C:\Users\Admin\AppData\Local\Temp\63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
-
-
C:\Users\Admin\AppData\Local\Temp\63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.exe"C:\Users\Admin\AppData\Local\Temp\63e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b.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:4920 -
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:1268
-
-
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:2304 -
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:3324
-
-
-
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:3968
-
-
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:4940
-
-
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:2592 -
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:2316
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3140
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2312
-
-
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:3908
-
-
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:3696
-
-
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:2948
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4980
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2408 -
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:2104 -
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:408
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3688
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dc552f5f7e94c5cc373bfc35ec507ad
SHA1510c47eb3869f104e2c12af42c8242383b52a286
SHA256e9ac26c6465086deb2f94cf12c41847f5d09e55452df77337d0ac539610a40f3
SHA5122cfecc8915c060c9dd48683665a118cce7d730c0d1ff6891d10f35c20333dcae52e155007af230c2f77be0f8392dd91e799dfb7157c573571b6df0e9dd156a21
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e1bda3456618e4d9164ac24c3a2887b
SHA1d5c88e2029b8c0f951c7ce1c52f6231b98d32842
SHA25637232be55054d8ce7043385165e8b4e6a9e286c1beff74f777870e8fe1b0b057
SHA5120deb263bb81859056caa86a2bdc5e479527b6ec5893aad8f1184ba6238aa0c306ad92496579cceeb1cfc32f6ecea1fdb737c65f5bab6845e5bce35932bb46aa9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a413bad4a523c75f4d6c40104feb1b3
SHA17218c2fefb81f881e409a31fe7df45d1c11bbc34
SHA256c0471a4af758590cacb49975274afeddf1a86e6f5aa5228dfc9d5226cbf8c7a8
SHA512bcf5f4fea76a51a01c8f65258f17309d5d83ed58761a0b45214f860a67e9777dd30827b796a7cf7c684f683b45d220a97e395ee242458c8f248f6c7d7fcd9980
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568ceb89da7e4443817867f5a31bb445e
SHA1fcb85afde3ad2b3b15413f3e92b9450d1a766276
SHA256715d5c3e4804077365c096d80d58f85e57386242024becdc31f49fb183593a3d
SHA512fdb6a560c588a39c4b221f10c14bbbc06059e8de221ef1ab8f3de9c5744a234fde17a36070f9498c6b93f6a090353c117ccf6482227fbcc2b33840d3c98b5ff1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f8741d3f0b81bf55a37131ecc0bac7f
SHA1b65fb9825c90a55301415a0b4b9a1f68d5a2df6f
SHA256aed82cb50129c5fe9862d510439c0318a4b7db9e5d1cf3aa71110132389a3ae1
SHA512b37455bd6e62070d7efab222dfe5f17fdf12b44fd5cf9a5cb963088dcd810efec55066353cb761f80148275beb599eedd47d96ea1135ba4101b669b4572d4f10
-
Filesize
4.1MB
MD56dbb990ca269475bf07203047beb9ee4
SHA179e6540fed974eb27c8c7127442ddfb6df70b7a5
SHA25663e581028daa1d13b8dd365c7864c84b655f9f886713a3f7772901d70583f64b
SHA5129fcc063bc70dfddbcd27be2911e38212e05d73a6e3181729e11b2946469963fddf6bd3507e3270da22f9930e35c8e65e06e86fb634841f0c2de01a049cff4032
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec