Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe
Resource
win10v2004-20240426-en
General
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Target
0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe
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Size
4.1MB
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MD5
32b7cc6390a4b18752d13c728ba87040
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SHA1
45ce9c999a4b62e7d2b9909d3090b0dcdb5a4371
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SHA256
0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa
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SHA512
c3a578c0a5a9624524ae3661e28e26ab983e600e1ff590bc9345770f474e9f1672d7713df17bdd3221250f557b4af2d077bf36d07f29b558072d357241b200c7
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SSDEEP
98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO25:7rhn/yCBZkM+pB3dzU
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/32-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/32-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/32-72-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3332-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/32-132-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/2852-190-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2852-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4440 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2852 csrss.exe 2228 injector.exe 2632 windefender.exe 1432 windefender.exe -
resource yara_rule behavioral2/files/0x001b00000002ab37-199.dat upx behavioral2/memory/2632-200-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1432-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2632-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1432-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1432-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe File created C:\Windows\rss\csrss.exe 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3448 sc.exe -
pid Process 3388 powershell.exe 3936 powershell.exe 4248 powershell.exe 904 powershell.exe 1164 powershell.exe 5112 powershell.exe 1612 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1968 3936 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2972 schtasks.exe 2220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-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,-172 = "Central Standard Time (Mexico)" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.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\trust\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\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight 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\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\trust\CTLs 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\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3936 powershell.exe 3936 powershell.exe 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 4248 powershell.exe 4248 powershell.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 904 powershell.exe 904 powershell.exe 1164 powershell.exe 1164 powershell.exe 5112 powershell.exe 5112 powershell.exe 1612 powershell.exe 1612 powershell.exe 3388 powershell.exe 3388 powershell.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2852 csrss.exe 2852 csrss.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2852 csrss.exe 2852 csrss.exe 2228 injector.exe 2228 injector.exe 2852 csrss.exe 2852 csrss.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Token: SeImpersonatePrivilege 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 3388 powershell.exe Token: SeSystemEnvironmentPrivilege 2852 csrss.exe Token: SeSecurityPrivilege 3448 sc.exe Token: SeSecurityPrivilege 3448 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 32 wrote to memory of 3936 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 83 PID 32 wrote to memory of 3936 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 83 PID 32 wrote to memory of 3936 32 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 83 PID 3332 wrote to memory of 4248 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 91 PID 3332 wrote to memory of 4248 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 91 PID 3332 wrote to memory of 4248 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 91 PID 3332 wrote to memory of 3312 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 93 PID 3332 wrote to memory of 3312 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 93 PID 3312 wrote to memory of 4440 3312 cmd.exe 95 PID 3312 wrote to memory of 4440 3312 cmd.exe 95 PID 3332 wrote to memory of 904 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 96 PID 3332 wrote to memory of 904 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 96 PID 3332 wrote to memory of 904 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 96 PID 3332 wrote to memory of 1164 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 98 PID 3332 wrote to memory of 1164 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 98 PID 3332 wrote to memory of 1164 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 98 PID 3332 wrote to memory of 2852 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 100 PID 3332 wrote to memory of 2852 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 100 PID 3332 wrote to memory of 2852 3332 0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe 100 PID 2852 wrote to memory of 5112 2852 csrss.exe 101 PID 2852 wrote to memory of 5112 2852 csrss.exe 101 PID 2852 wrote to memory of 5112 2852 csrss.exe 101 PID 2852 wrote to memory of 1612 2852 csrss.exe 107 PID 2852 wrote to memory of 1612 2852 csrss.exe 107 PID 2852 wrote to memory of 1612 2852 csrss.exe 107 PID 2852 wrote to memory of 3388 2852 csrss.exe 109 PID 2852 wrote to memory of 3388 2852 csrss.exe 109 PID 2852 wrote to memory of 3388 2852 csrss.exe 109 PID 2852 wrote to memory of 2228 2852 csrss.exe 111 PID 2852 wrote to memory of 2228 2852 csrss.exe 111 PID 2632 wrote to memory of 1384 2632 windefender.exe 117 PID 2632 wrote to memory of 1384 2632 windefender.exe 117 PID 2632 wrote to memory of 1384 2632 windefender.exe 117 PID 1384 wrote to memory of 3448 1384 cmd.exe 118 PID 1384 wrote to memory of 3448 1384 cmd.exe 118 PID 1384 wrote to memory of 3448 1384 cmd.exe 118 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe"C:\Users\Admin\AppData\Local\Temp\0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:32 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3936 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 17323⤵
- Program crash
PID:1968
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C:\Users\Admin\AppData\Local\Temp\0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.exe"C:\Users\Admin\AppData\Local\Temp\0705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa.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:3332 -
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:4248
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
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:4440
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:904
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852 -
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:5112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2972
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3388
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2632 -
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:1384 -
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:3448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3936 -ip 39361⤵PID:3444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1432
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522c9f2dde996d91698f69d91b50f1923
SHA1697124bb1dc7c4872deed0356814347e362a99a7
SHA25619008500cb5d2f47d20818e24ffa2624cc1e9047d9530c5738e7e20a2523e203
SHA512f3778a72a98a3add496e07b0e9b94daddc861647d39311f1ed0220500423ddf88e40871eac5494767fd0ce0813d145fac21f08acfc8b20e670a60deaaef7448f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525c6d9a332137c10e57a06547762d693
SHA17cc415b0a5d340641aa1f1c04d73aad0f2fccd1f
SHA2560c97f3fd0e35a01855ec9726932406b30290f1715e51c0eb41cf6da9490c5eb8
SHA512cf71a7c4d6765fffaa35b3c9e7f31043b5d5c3ac8e57931b5cbb7706d65297dd2f7f5470ffa8a90484a70414ed36684497041cd7478e732b6488a71631354372
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d89def9cfb475627c534241ba29b1de6
SHA172f73072eb59adc44546003d570bfcb417f7dab7
SHA256c2f845d4f2f3633fd2250309bbc5eeaa7a99713951df28afc251180722adc7e7
SHA512983ca560ec4e4b499dfddcfc776ffddefe9b8a71a9361b0cfef3c5386cc6eb408655376f3ac18433d3fa66e75910743ac0b725154c6f7f615da26dbc84fb025b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b33668a06da0ce32c7b7309ecad4029b
SHA1ac55d2f088f8a82fc550a78fb62daa3fa9e9ab3d
SHA256ecc030d82c74ea6f358b8ba9060050a0ca0bc535cc4aee055f5e98cfef72f7f3
SHA5124ac23609d0578e9dd19f898673bf032ba50546300aec372e9f1db41dbc32cc615388c7bc1201165c9e7f01d90df6e1c086f95d14a30be14a80e26a12c59db001
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae8a806a6613baddcc0c976ddb8c7b93
SHA19aca35085dfe88a951893b1f8100bba219403739
SHA2565029515e4b6b8e1406668fe07c1e0484ce6e20e7564974f40e117b9c0d1b5612
SHA512ea445d13d1519ca56b74b4409a700ab59e65728b1418c0a67ec4543a9ae0ef72a880bcf2dc5073911752ad5645346d87c712c8bd50b9189cdbf4eb79eaec7f2c
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Filesize
4.1MB
MD532b7cc6390a4b18752d13c728ba87040
SHA145ce9c999a4b62e7d2b9909d3090b0dcdb5a4371
SHA2560705d52be58784fffd37f4ce85ce318f0a4e2de14e4607548bcc0c76c1b8a9fa
SHA512c3a578c0a5a9624524ae3661e28e26ab983e600e1ff590bc9345770f474e9f1672d7713df17bdd3221250f557b4af2d077bf36d07f29b558072d357241b200c7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec