Analysis
-
max time kernel
149s -
max time network
151s -
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 16:48
Static task
static1
Behavioral task
behavioral1
Sample
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe
Resource
win10v2004-20240508-en
General
-
Target
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe
-
Size
4.1MB
-
MD5
ae80ef5f4a461ac52887230717e428dd
-
SHA1
55f13d6df0930874e20cf6971f3fcb0c93e1bf89
-
SHA256
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6
-
SHA512
91da3f934b41c7f72caff29cb3c1c495f3b81477b17931bfb425bfc41e292fb85142a84b6333f7b0821fea7b73a3c5748c0248871f32ade88ddba84c63f9a60c
-
SSDEEP
98304:Yc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPw:IX++d2b0aMbplZO0sFfSw
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1360-2-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral2/memory/1360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-54-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral2/memory/1360-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-51-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3412-152-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-206-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-222-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2120-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2120 csrss.exe 5048 injector.exe 112 windefender.exe 984 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa28-209.dat upx behavioral2/memory/112-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/984-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/112-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/984-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/984-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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.
-
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 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 -
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 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe File created C:\Windows\rss\csrss.exe 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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 2484 sc.exe -
pid Process 4928 powershell.exe 2396 powershell.exe 2276 powershell.exe 1948 powershell.exe 3568 powershell.exe 2332 powershell.exe 1260 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 1824 schtasks.exe 2320 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,-2872 = "Magallanes Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-652 = "AUS Central Standard Time" windefender.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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard 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,-384 = "Namibia Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.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,-364 = "Middle East 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,-2162 = "Altai Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2276 powershell.exe 2276 powershell.exe 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 1948 powershell.exe 1948 powershell.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3568 powershell.exe 3568 powershell.exe 2332 powershell.exe 2332 powershell.exe 1260 powershell.exe 1260 powershell.exe 4928 powershell.exe 4928 powershell.exe 2396 powershell.exe 2396 powershell.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 2120 csrss.exe 2120 csrss.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 2120 csrss.exe 2120 csrss.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 2120 csrss.exe 2120 csrss.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe 5048 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Token: SeImpersonatePrivilege 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeDebugPrivilege 2332 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeSystemEnvironmentPrivilege 2120 csrss.exe Token: SeSecurityPrivilege 2484 sc.exe Token: SeSecurityPrivilege 2484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1360 wrote to memory of 2276 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 82 PID 1360 wrote to memory of 2276 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 82 PID 1360 wrote to memory of 2276 1360 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 82 PID 3412 wrote to memory of 1948 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 87 PID 3412 wrote to memory of 1948 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 87 PID 3412 wrote to memory of 1948 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 87 PID 3412 wrote to memory of 2928 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 89 PID 3412 wrote to memory of 2928 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 89 PID 2928 wrote to memory of 2000 2928 cmd.exe 91 PID 2928 wrote to memory of 2000 2928 cmd.exe 91 PID 3412 wrote to memory of 3568 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 92 PID 3412 wrote to memory of 3568 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 92 PID 3412 wrote to memory of 3568 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 92 PID 3412 wrote to memory of 2332 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 3412 wrote to memory of 2332 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 3412 wrote to memory of 2332 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 3412 wrote to memory of 2120 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 96 PID 3412 wrote to memory of 2120 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 96 PID 3412 wrote to memory of 2120 3412 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 96 PID 2120 wrote to memory of 1260 2120 csrss.exe 97 PID 2120 wrote to memory of 1260 2120 csrss.exe 97 PID 2120 wrote to memory of 1260 2120 csrss.exe 97 PID 2120 wrote to memory of 4928 2120 csrss.exe 102 PID 2120 wrote to memory of 4928 2120 csrss.exe 102 PID 2120 wrote to memory of 4928 2120 csrss.exe 102 PID 2120 wrote to memory of 2396 2120 csrss.exe 105 PID 2120 wrote to memory of 2396 2120 csrss.exe 105 PID 2120 wrote to memory of 2396 2120 csrss.exe 105 PID 2120 wrote to memory of 5048 2120 csrss.exe 107 PID 2120 wrote to memory of 5048 2120 csrss.exe 107 PID 112 wrote to memory of 2088 112 windefender.exe 113 PID 112 wrote to memory of 2088 112 windefender.exe 113 PID 112 wrote to memory of 2088 112 windefender.exe 113 PID 2088 wrote to memory of 2484 2088 cmd.exe 114 PID 2088 wrote to memory of 2484 2088 cmd.exe 114 PID 2088 wrote to memory of 2484 2088 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
-
C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276
-
-
C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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:3412 -
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:1948
-
-
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:2928 -
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:2000
-
-
-
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:3568
-
-
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:2332
-
-
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:2120 -
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:1260
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1824
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:828
-
-
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:4928
-
-
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:2396
-
-
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:5048
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2320
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:112 -
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:2088 -
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:2484
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:984
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f55cf63f70b88455f9cbd46ee4dc5f2
SHA1c9db9a9add33f111772bf40d0819a0b53a7105f8
SHA256cc1c15af13d7a746eeda3c7e4a4477cdaef2db6609572f4381a136bf970fca17
SHA5128b4008e6f506503c7f750df3e710360145fe427d1bfd80478b47ee2a2c860d6b5b9af191c0f0cb93a936017f98a4670e6e827ca992710f1d86779680dce06a2e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5023f13c7240b02df076ff2f4d690038b
SHA17332ac82f5934b946929388e68ecdb428f6e4eec
SHA256ac0f4691aa76e86f53e31049dd2de243c8d6ad7c09730bd7492e54bb06384165
SHA51291c7705cbbe1673ab895d1a03b3438712b85fafd0395d8dcf65a225614f0c02f4236c3106db1c2c66cdc3b6c40aa6c6cacc378c2727b288ec6095313ea0c375c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57aa98ca8f6b466d89cb64966be604512
SHA1d27c2ebfb8b4fa48df685167db5fdda07f8333aa
SHA2569e9cea4cf8331adaf10df2701e259fe4e7682e7b1e9da40b60d34033ef0da01a
SHA512c82ceee5d28a4950d124c22bd37b1b244822bf348e87b488e832d067225ae60af54dc63a33a5c6a9047baf280eacb9cfe9bccde0bb571927b8220a1bbbf7f2df
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5085d7c828ff68df2b92e0d55461d6c52
SHA195f1c4c431a6ef2351b5e8bce16502637a6e8f19
SHA2563c6ee6cb3230083fa9d87a2bbc50d8d6a3d26243b3095ec60d8e76e699fc7849
SHA512c086704e8dd907e126adac468563f4e5be308e1a3030139d15a5fc1cdaffbdd0bc298c4582630b1563a07dff8292bc6b9dad9a40e69c66150eee1e6b0c688066
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a46622b4e93b310f4118b384fa4bb5d9
SHA13aab8ff1d600ab08471c830639458c6d3ab7483d
SHA256264ee2a6adb2e0976f31cc61132a03838201a9dee64f212871ff2c196ae66b7d
SHA512c36d34a6c09092fc10b67a76bd5ff5d79c47ad63fb9cc3bc65c42714f507839072ff2e2dca7a373633ce1094313f1d0861b149145ab0c2cb82086a6e30215772
-
Filesize
4.1MB
MD5ae80ef5f4a461ac52887230717e428dd
SHA155f13d6df0930874e20cf6971f3fcb0c93e1bf89
SHA256796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6
SHA51291da3f934b41c7f72caff29cb3c1c495f3b81477b17931bfb425bfc41e292fb85142a84b6333f7b0821fea7b73a3c5748c0248871f32ade88ddba84c63f9a60c
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec