Analysis
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max time kernel
150s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 15:18
Static task
static1
Behavioral task
behavioral1
Sample
04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe
Resource
win10v2004-20240508-en
General
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Target
04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe
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Size
4.1MB
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MD5
cf2ec6585341cb5a2c87bd4ed9b2113d
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SHA1
8fec917139f3c5e5812374ba0d132bee3498f3d9
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SHA256
04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe
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SHA512
622101b48ffd67cec7dca38bfebf7f29c7630e9ddd70d2b53526df4826fd119e7e25cdd8efc2aa83d43cf3f5d2d19a4463741771c589f06555761fa53e924dfa
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SSDEEP
98304:r3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTP:r3/aer8lIiPc9ySnggpxAJiIuBVpFiib
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4408-2-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral2/memory/4408-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4408-74-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral2/memory/4408-72-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4408-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3828-124-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-198-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-209-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3440-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2804 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3440 csrss.exe 2028 injector.exe 3204 windefender.exe 2408 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-202.dat upx behavioral2/memory/3204-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2408-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2408-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2408-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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\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 File created 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 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe File created C:\Windows\rss\csrss.exe 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.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 3420 sc.exe -
pid Process 1640 powershell.exe 3596 powershell.exe 2268 powershell.exe 5116 powershell.exe 3884 powershell.exe 5068 powershell.exe 1056 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 1488 schtasks.exe 1716 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\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-511 = "Central Asia 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5068 powershell.exe 5068 powershell.exe 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 1056 powershell.exe 1056 powershell.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 1640 powershell.exe 1640 powershell.exe 3596 powershell.exe 3596 powershell.exe 2268 powershell.exe 2268 powershell.exe 5116 powershell.exe 5116 powershell.exe 3884 powershell.exe 3884 powershell.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 3440 csrss.exe 3440 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 3440 csrss.exe 3440 csrss.exe 2028 injector.exe 2028 injector.exe 3440 csrss.exe 3440 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Token: SeImpersonatePrivilege 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeSystemEnvironmentPrivilege 3440 csrss.exe Token: SeSecurityPrivilege 3420 sc.exe Token: SeSecurityPrivilege 3420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4408 wrote to memory of 5068 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 82 PID 4408 wrote to memory of 5068 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 82 PID 4408 wrote to memory of 5068 4408 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 82 PID 3828 wrote to memory of 1056 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 87 PID 3828 wrote to memory of 1056 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 87 PID 3828 wrote to memory of 1056 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 87 PID 3828 wrote to memory of 3152 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 89 PID 3828 wrote to memory of 3152 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 89 PID 3152 wrote to memory of 2804 3152 cmd.exe 91 PID 3152 wrote to memory of 2804 3152 cmd.exe 91 PID 3828 wrote to memory of 1640 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 92 PID 3828 wrote to memory of 1640 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 92 PID 3828 wrote to memory of 1640 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 92 PID 3828 wrote to memory of 3596 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 94 PID 3828 wrote to memory of 3596 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 94 PID 3828 wrote to memory of 3596 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 94 PID 3828 wrote to memory of 3440 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 96 PID 3828 wrote to memory of 3440 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 96 PID 3828 wrote to memory of 3440 3828 04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe 96 PID 3440 wrote to memory of 2268 3440 csrss.exe 97 PID 3440 wrote to memory of 2268 3440 csrss.exe 97 PID 3440 wrote to memory of 2268 3440 csrss.exe 97 PID 3440 wrote to memory of 5116 3440 csrss.exe 102 PID 3440 wrote to memory of 5116 3440 csrss.exe 102 PID 3440 wrote to memory of 5116 3440 csrss.exe 102 PID 3440 wrote to memory of 3884 3440 csrss.exe 105 PID 3440 wrote to memory of 3884 3440 csrss.exe 105 PID 3440 wrote to memory of 3884 3440 csrss.exe 105 PID 3440 wrote to memory of 2028 3440 csrss.exe 107 PID 3440 wrote to memory of 2028 3440 csrss.exe 107 PID 3204 wrote to memory of 4596 3204 windefender.exe 113 PID 3204 wrote to memory of 4596 3204 windefender.exe 113 PID 3204 wrote to memory of 4596 3204 windefender.exe 113 PID 4596 wrote to memory of 3420 4596 cmd.exe 114 PID 4596 wrote to memory of 3420 4596 cmd.exe 114 PID 4596 wrote to memory of 3420 4596 cmd.exe 114 -
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\04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe"C:\Users\Admin\AppData\Local\Temp\04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
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C:\Users\Admin\AppData\Local\Temp\04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.exe"C:\Users\Admin\AppData\Local\Temp\04fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe.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:3828 -
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:1056
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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:3152 -
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:2804
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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:1640
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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:3596
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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:3440 -
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:2268
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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:1488
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4900
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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:5116
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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:3884
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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:2028
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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:1716
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3204 -
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:4596 -
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:3420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2408
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
MD5b34105f980b83eb5b4dc97c82ce7b60e
SHA131e9c0a32a3ea7833a2977f538c104cfb2482283
SHA256f86bad7cc8acbc191a7889133be8c8616658144e7d0bcd4721c79b0daf3eba25
SHA512273c86afe62c43823493e08828f24a450e4d423542c386644f5a040192da0f12394bbdc81c992bb82ec75c2ed647f97fbee0f789f53e855bcd9969604b715428
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d1914a33688a63bc9c27c46551a9155
SHA15bfacb6a9c39b9b69c73aa28e3e5e6ddb2baaabc
SHA256264d135b97fee80abfd165b185e663e3c8a11896e6761e1a6e7f922fc1bd7ad3
SHA512072190cdefff425d8148cc8b7a68d10fd7dedcffdec256a71a2cb44dce89ec805501e57235700f099fc3151ab4b6386fc1175530468ef4044bd066ae72a3ab31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52195848544272cc4f775d63bb1ab9a38
SHA18433f6d42bb86e99a333bc9fcc8d975e1fa7ff0f
SHA25651a6473069b866b482c824def7f414b93f055c0723806910d1003a35fd746dca
SHA512e6bde734267928e5e2e048ba6886c373f37e9d0aca83e6f815e208724380e3122b658c39fd6ba3f11f774c4a9fa6827ec36a4a064162a63fd541b4982b4edc79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518931ee2d3eddba57efdbd518ba65fec
SHA17b246b0b670e723817e583de28cd7ab429e6081a
SHA2566a392593b93602371a2ba3c632507be215f96dea8bc919a297d15f98bab9a71a
SHA512d02a66829b6f0aa97a7a828be4b7215d94040ea2f2931eac14dd44ef506dd65ac42fa8b51136b36852343f3ff892a61697724369cbc227d0ccbdf99ab097f8e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502e77d16a447171e4b3d460e230a0aee
SHA119c227bced20d38cb322c0ce81bc7447d6844b09
SHA256fd6a93114a8e353bbeefdab17d0865925d3b56f0526e8fc798d4907273a48caf
SHA512fc5610296857893950e5b5956cd9c5b91c2df74bbd7162026885ac88bc7b8d9011723935f2f8e2a7e7d289c5bbfc70bdf032f33927800050bace6e2e2683abbf
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Filesize
4.1MB
MD5cf2ec6585341cb5a2c87bd4ed9b2113d
SHA18fec917139f3c5e5812374ba0d132bee3498f3d9
SHA25604fd3f9c5f3838ce03fe47e3d212e687eb507798341f409a6591adafddc1cabe
SHA512622101b48ffd67cec7dca38bfebf7f29c7630e9ddd70d2b53526df4826fd119e7e25cdd8efc2aa83d43cf3f5d2d19a4463741771c589f06555761fa53e924dfa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec