Analysis
-
max time kernel
156s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 19:08
Static task
static1
Behavioral task
behavioral1
Sample
e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe
Resource
win10v2004-20240226-en
General
-
Target
e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe
-
Size
4.1MB
-
MD5
e51e4e46823b52a15d36092a247b883d
-
SHA1
65c6d752ff920f6c502f0450a14cb8bebaec6d87
-
SHA256
e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497
-
SHA512
6180f2f12fd1c07b4bbde4a9d4b333512678861963f36b37ad0f272ceb02319ebe9833eef623a633dba35876344101ff8da03643b9aa240a39939f54bbff04cf
-
SSDEEP
98304:Y4jpljXL0mhlLBWmpAPZQz52v/2t7cg620TCsd1:Xfj4m5WmaZQ12vOT6xnj
Malware Config
Signatures
-
Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/1756-2-0x0000000002E90000-0x000000000377B000-memory.dmp family_glupteba behavioral1/memory/1756-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1756-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1756-27-0x0000000002E90000-0x000000000377B000-memory.dmp family_glupteba behavioral1/memory/1756-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1756-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1968-86-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1968-114-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1968-143-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/388-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1172 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 388 csrss.exe 4740 injector.exe 4260 windefender.exe 4000 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000000735-231.dat upx behavioral1/memory/4260-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4000-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4260-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4000-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4000-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe File created C:\Windows\rss\csrss.exe e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.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 4980 sc.exe -
pid Process 4300 powershell.exe 4852 powershell.exe 3292 powershell.exe 3720 powershell.exe 2304 powershell.exe 3768 powershell.exe 3684 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 5032 1756 WerFault.exe 90 4740 1968 WerFault.exe 103 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1136 schtasks.exe 1544 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.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\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 4300 powershell.exe 4300 powershell.exe 4300 powershell.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 4852 powershell.exe 4852 powershell.exe 4852 powershell.exe 3292 powershell.exe 3292 powershell.exe 3292 powershell.exe 3720 powershell.exe 3720 powershell.exe 3720 powershell.exe 2304 powershell.exe 2304 powershell.exe 2304 powershell.exe 3768 powershell.exe 3768 powershell.exe 3768 powershell.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 388 csrss.exe 388 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 388 csrss.exe 388 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 388 csrss.exe 388 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Token: SeImpersonatePrivilege 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeSystemEnvironmentPrivilege 388 csrss.exe Token: SeSecurityPrivilege 4980 sc.exe Token: SeSecurityPrivilege 4980 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1756 wrote to memory of 3684 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 92 PID 1756 wrote to memory of 3684 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 92 PID 1756 wrote to memory of 3684 1756 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 92 PID 1968 wrote to memory of 4300 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 107 PID 1968 wrote to memory of 4300 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 107 PID 1968 wrote to memory of 4300 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 107 PID 1968 wrote to memory of 5104 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 109 PID 1968 wrote to memory of 5104 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 109 PID 5104 wrote to memory of 1172 5104 cmd.exe 111 PID 5104 wrote to memory of 1172 5104 cmd.exe 111 PID 1968 wrote to memory of 4852 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 112 PID 1968 wrote to memory of 4852 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 112 PID 1968 wrote to memory of 4852 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 112 PID 1968 wrote to memory of 3292 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 114 PID 1968 wrote to memory of 3292 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 114 PID 1968 wrote to memory of 3292 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 114 PID 1968 wrote to memory of 388 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 116 PID 1968 wrote to memory of 388 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 116 PID 1968 wrote to memory of 388 1968 e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe 116 PID 388 wrote to memory of 3720 388 csrss.exe 119 PID 388 wrote to memory of 3720 388 csrss.exe 119 PID 388 wrote to memory of 3720 388 csrss.exe 119 PID 388 wrote to memory of 2304 388 csrss.exe 124 PID 388 wrote to memory of 2304 388 csrss.exe 124 PID 388 wrote to memory of 2304 388 csrss.exe 124 PID 388 wrote to memory of 3768 388 csrss.exe 127 PID 388 wrote to memory of 3768 388 csrss.exe 127 PID 388 wrote to memory of 3768 388 csrss.exe 127 PID 388 wrote to memory of 4740 388 csrss.exe 129 PID 388 wrote to memory of 4740 388 csrss.exe 129 PID 4260 wrote to memory of 2664 4260 windefender.exe 135 PID 4260 wrote to memory of 2664 4260 windefender.exe 135 PID 4260 wrote to memory of 2664 4260 windefender.exe 135 PID 2664 wrote to memory of 4980 2664 cmd.exe 136 PID 2664 wrote to memory of 4980 2664 cmd.exe 136 PID 2664 wrote to memory of 4980 2664 cmd.exe 136 -
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\e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe"C:\Users\Admin\AppData\Local\Temp\e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
-
-
C:\Users\Admin\AppData\Local\Temp\e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.exe"C:\Users\Admin\AppData\Local\Temp\e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497.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:1968 -
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:4300
-
-
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:5104 -
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:1172
-
-
-
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:4852
-
-
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:3292
-
-
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:388 -
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:3720
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1136
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:944
-
-
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:2304
-
-
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:3768
-
-
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:4740
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1544
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4260 -
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:2664 -
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:4980
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 8603⤵
- Program crash
PID:4740
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 9002⤵
- Program crash
PID:5032
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3868 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:3068
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1756 -ip 17561⤵PID:440
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1968 -ip 19681⤵PID:1052
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4000
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
MD504933d2bd05387b8f13c4e0cd89a4d57
SHA103c3dc1ed5ecb6fce35ba3cfc7bd7e8824f22e12
SHA256a814d757c76aaf03f6169f91e03411372f0cb74aeb39e193e84ab20198e90915
SHA5122186944b0f61afc9a3a75cca82474ba39bf74cbd008e71be0c841af540e02afe4d9277f9d7e5e5b4b9bd8c4c2684f728f8b101dc7c34f4a5ab230f8e074e3e3e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517a03622ab3615b99f28fe2efa8278af
SHA17a4e0775623bfae958a008222e3578e8a1f4f4a4
SHA256f7c1a80bf0f473ef7dfcb0e5bd06ee59bb1beab496727e01c3825ef7d4db2147
SHA512ac8e01a737ab57f9aa18c4e3e4935e7a478041ca6d49e443eb7a137ec571dc0121b133c7fc9ead6dec0fe15cc65798fd6fc5cfeb2943122d9cddc9919be7375d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564073b4665c63d9af72bf51077dadc6a
SHA12fafccd7a90edccf855bd267087b70fba455f94a
SHA256f0127e99925395ae12887907d1e089614dee6645c95408b8b1d417ea327771b3
SHA512d88764e668d010d9cfc4fc6e3f74b1cb9c4e553e1380b6962bae6a345b3d244f8364ea787696f1989736df845482d2c5f27504ec3836e3d627af3ef3e4af1e4b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4a9a0d1b6d9ece41f16d130991c901b
SHA12f3036c0581f3125dbfa11739d04facb67a419d0
SHA2560db0179dc2c9e3ca2e2725731a587fcaa0876fc8b9d0123ab687d63667a3afa8
SHA5125456db7944fdfa80b17afb9fc5bae8b3d3128e46f1ae607b4ef9e6960fd84a604aa1709c37e74c593366d2c8904ed685cc67e83efff3a6d51393b87927187987
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb59d00ca102fd774cf508945b3b689b
SHA1e37d2aebc0331b8e1b7838f94deecda2d8a0b457
SHA256c5b01cce731db4526d5fc11cc157726144248716bec74ac4c3db6aa0b98adfbf
SHA5123fc54be927859901b048d99b5ffdec1eefd38d33c819cd8300e02d1f42ea761f3c4a16fe9724b3a8d67da53f6636f8e3b87bd7d6f3090b6b7acdad10c29df5f9
-
Filesize
4.1MB
MD5e51e4e46823b52a15d36092a247b883d
SHA165c6d752ff920f6c502f0450a14cb8bebaec6d87
SHA256e67c873839072ba6031d9043479f7ca7d2857da44af8e2f42959efeb777c8497
SHA5126180f2f12fd1c07b4bbde4a9d4b333512678861963f36b37ad0f272ceb02319ebe9833eef623a633dba35876344101ff8da03643b9aa240a39939f54bbff04cf
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec