Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:29
Static task
static1
Behavioral task
behavioral1
Sample
c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe
Resource
win10v2004-20240508-en
General
-
Target
c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe
-
Size
4.1MB
-
MD5
cf0a4b93973ffe9b6276de5e351f426d
-
SHA1
45d8e2501728dd1a0ce7b3f5dc7520b7eb3db257
-
SHA256
c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e
-
SHA512
7aacb86c41ed6594646b5d946302011f8fa60eaf562d6f776df46051b5368b2eb8589be7cca7a005075cfafa59345a1cb3d2720ec015115d7f515e20a5ba963f
-
SSDEEP
98304:04ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNG:04G/GRAB9MdaGBolx/WzuY
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2772-2-0x0000000004B90000-0x000000000547B000-memory.dmp family_glupteba behavioral1/memory/2772-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2772-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2772-57-0x0000000004B90000-0x000000000547B000-memory.dmp family_glupteba behavioral1/memory/2772-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2772-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2316-59-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2316-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-166-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4364 csrss.exe 2600 injector.exe 2548 windefender.exe 4696 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023433-226.dat upx behavioral1/memory/2548-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2548-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4696-241-0x0000000000400000-0x00000000008DF000-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\"" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.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\"" 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 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 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1560 sc.exe -
pid Process 1772 powershell.exe 4072 powershell.exe 1528 powershell.exe 3736 powershell.exe 3784 powershell.exe 2244 powershell.exe 4820 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 2008 schtasks.exe 3136 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,-262 = "GMT Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3784 powershell.exe 3784 powershell.exe 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2244 powershell.exe 2244 powershell.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 4820 powershell.exe 4820 powershell.exe 1772 powershell.exe 1772 powershell.exe 4072 powershell.exe 4072 powershell.exe 1528 powershell.exe 1528 powershell.exe 3736 powershell.exe 3736 powershell.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 4364 csrss.exe 4364 csrss.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 4364 csrss.exe 4364 csrss.exe 2600 injector.exe 2600 injector.exe 4364 csrss.exe 4364 csrss.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe 2600 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Token: SeImpersonatePrivilege 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 1772 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeSystemEnvironmentPrivilege 4364 csrss.exe Token: SeSecurityPrivilege 1560 sc.exe Token: SeSecurityPrivilege 1560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3784 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 89 PID 2772 wrote to memory of 3784 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 89 PID 2772 wrote to memory of 3784 2772 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 89 PID 2316 wrote to memory of 2244 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 94 PID 2316 wrote to memory of 2244 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 94 PID 2316 wrote to memory of 2244 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 94 PID 2316 wrote to memory of 4120 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 96 PID 2316 wrote to memory of 4120 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 96 PID 4120 wrote to memory of 1096 4120 cmd.exe 98 PID 4120 wrote to memory of 1096 4120 cmd.exe 98 PID 2316 wrote to memory of 4820 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 99 PID 2316 wrote to memory of 4820 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 99 PID 2316 wrote to memory of 4820 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 99 PID 2316 wrote to memory of 1772 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 102 PID 2316 wrote to memory of 1772 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 102 PID 2316 wrote to memory of 1772 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 102 PID 2316 wrote to memory of 4364 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 104 PID 2316 wrote to memory of 4364 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 104 PID 2316 wrote to memory of 4364 2316 c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe 104 PID 4364 wrote to memory of 4072 4364 csrss.exe 106 PID 4364 wrote to memory of 4072 4364 csrss.exe 106 PID 4364 wrote to memory of 4072 4364 csrss.exe 106 PID 4364 wrote to memory of 1528 4364 csrss.exe 112 PID 4364 wrote to memory of 1528 4364 csrss.exe 112 PID 4364 wrote to memory of 1528 4364 csrss.exe 112 PID 4364 wrote to memory of 3736 4364 csrss.exe 114 PID 4364 wrote to memory of 3736 4364 csrss.exe 114 PID 4364 wrote to memory of 3736 4364 csrss.exe 114 PID 4364 wrote to memory of 2600 4364 csrss.exe 116 PID 4364 wrote to memory of 2600 4364 csrss.exe 116 PID 2548 wrote to memory of 2424 2548 windefender.exe 122 PID 2548 wrote to memory of 2424 2548 windefender.exe 122 PID 2548 wrote to memory of 2424 2548 windefender.exe 122 PID 2424 wrote to memory of 1560 2424 cmd.exe 123 PID 2424 wrote to memory of 1560 2424 cmd.exe 123 PID 2424 wrote to memory of 1560 2424 cmd.exe 123 -
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\c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe"C:\Users\Admin\AppData\Local\Temp\c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3784
-
-
C:\Users\Admin\AppData\Local\Temp\c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.exe"C:\Users\Admin\AppData\Local\Temp\c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e.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:2316 -
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:2244
-
-
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:4120 -
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:1096
-
-
-
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:4820
-
-
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:1772
-
-
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:4364 -
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:4072
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2008
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1092
-
-
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:1528
-
-
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:3736
-
-
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:2600
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3136
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2548 -
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:2424 -
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:1560
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4696
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9e33bfb93acc681e9a1bfa1e0d26c6d
SHA1efad643608c65b160ce156e8536f2dfd96dd4b39
SHA256d010cbca44742547400147e48ca34cb94f0d2e66ca040d691f86f78891755678
SHA51270174aec2656b7fe0056209856bf38a499cb60c498abb58ef035fdf0a6a4b99c9e17e3a3c9da065c31c49821e338329ee69d817c6a92cffe0e9f2c78d1cdda4c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5d465cba96750521195bcc9ed59a42f
SHA12865fc7aed589e31d8fc4ba48bb975eff60c4cb0
SHA256008542f6bb09d9c16c204ac1d97be857b1d679486d1bcdd93c5b31c670365b84
SHA5122d30ada0b931efda9b6a70055de0a1958957e7c7b67fd9ba8e2bbefd2e2a548bf047db225940ab47b047a029c083548db02eb758d74e624ff54ecdc8757ef0dc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a4f0b2eb139b567c93f80a4af26cb5e
SHA106ad26d00b39fdb35df28a9c13573ea13e538782
SHA256f969ad8c9c08d5b2d83879e859ef849a63f8db4c46fd0eb03c7b1f509e7513f2
SHA51253d99dc29559b7b7db5c640804daffd6dd66a6ecdbef7904b6dd55debf295a84f1c00b4bd73d1f3f86a7eb134ab1d8c5f0935d6e0d90471b57eb2baf3c8fdebc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541624277dfc858d7e154dbeee78091d6
SHA1603822a841d0d5f33d737654ebaee8522249fe9f
SHA256d59e9ab5488aa1a1a9df76ed957dd1ee9121bf3cec1d322e07cfcc96e525ae86
SHA51290d1fd7a2c8d2ae3690aeabd671916398b734d2b5690c41a799c06a319341bb4ff6b5e1066441c4cb7ea09148d88a55fa0655530ac627826010c394c9092ae71
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d84788fa0377f1131348d4fad8749aa4
SHA186bd8ac43e4839cc874735c11e3fad0248a272ca
SHA2565848c03b34f8803da0931047494ab83c4711898ec2d8e1d73022344c5ddfeb86
SHA5127c11fde35a39ee64a9816c3c7c1927ca8e73a53af0dbc788ee48d8e2a070eb4f69a6cbdb27fd82a6d4fb6d9d9c95d388840792be2f8175edec4bf0541b8eacf4
-
Filesize
4.1MB
MD5cf0a4b93973ffe9b6276de5e351f426d
SHA145d8e2501728dd1a0ce7b3f5dc7520b7eb3db257
SHA256c8bf4eb6de6fe25752c543fbf01b7850798573a531cba7b7c391bebbde41f37e
SHA5127aacb86c41ed6594646b5d946302011f8fa60eaf562d6f776df46051b5368b2eb8589be7cca7a005075cfafa59345a1cb3d2720ec015115d7f515e20a5ba963f
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec