Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 17:53
Static task
static1
Behavioral task
behavioral1
Sample
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe
Resource
win10v2004-20240426-en
General
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Target
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe
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Size
4.1MB
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MD5
23ca5e94a0046867908d3d9b7d9defb4
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SHA1
c37b3a24f03c12177f69f8186a8b5f093cedf4c7
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SHA256
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824
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SHA512
24860eed33b9db62d0367db9ca29de810717f37dd308ab6cb8a99b59fc9e35193e7fd6b5ea8d0d959ffcca31bf46b2835a2adeb8a8550dd611288d21cf6db0ec
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SSDEEP
98304:I557or8YMdWV8xcrChUIDCoHczW4WQrxCgsiGsm1N9Zshd41TTimq:I5w86GcrCCoczCJiGXN9ZshdAimq
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2708-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/2708-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4712-57-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/2708-84-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/2708-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4712-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1172 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2352 csrss.exe 1216 injector.exe 4492 windefender.exe 3984 windefender.exe -
resource yara_rule behavioral1/memory/4492-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000023439-224.dat upx behavioral1/memory/4492-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3984-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3984-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3984-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3884 sc.exe -
pid Process 4408 powershell.exe 3108 powershell.exe 2936 powershell.exe 4876 powershell.exe 1128 powershell.exe 2784 powershell.exe 1120 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 1920 schtasks.exe 804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard 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,-1801 = "Line Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight 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" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.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,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-962 = "Paraguay Standard Time" windefender.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,-122 = "SA Pacific Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2784 powershell.exe 2784 powershell.exe 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 1120 powershell.exe 1120 powershell.exe 1120 powershell.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4408 powershell.exe 4408 powershell.exe 4408 powershell.exe 3108 powershell.exe 3108 powershell.exe 3108 powershell.exe 2936 powershell.exe 2936 powershell.exe 2936 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 1128 powershell.exe 1128 powershell.exe 1128 powershell.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 2352 csrss.exe 1216 injector.exe 2352 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 2352 csrss.exe 2352 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 2352 csrss.exe 2352 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Token: SeImpersonatePrivilege 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeSystemEnvironmentPrivilege 2352 csrss.exe Token: SeSecurityPrivilege 3884 sc.exe Token: SeSecurityPrivilege 3884 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2784 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 89 PID 2708 wrote to memory of 2784 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 89 PID 2708 wrote to memory of 2784 2708 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 89 PID 4712 wrote to memory of 1120 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 99 PID 4712 wrote to memory of 1120 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 99 PID 4712 wrote to memory of 1120 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 99 PID 4712 wrote to memory of 4984 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 102 PID 4712 wrote to memory of 4984 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 102 PID 4984 wrote to memory of 1172 4984 cmd.exe 104 PID 4984 wrote to memory of 1172 4984 cmd.exe 104 PID 4712 wrote to memory of 4408 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 107 PID 4712 wrote to memory of 4408 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 107 PID 4712 wrote to memory of 4408 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 107 PID 4712 wrote to memory of 3108 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 109 PID 4712 wrote to memory of 3108 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 109 PID 4712 wrote to memory of 3108 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 109 PID 4712 wrote to memory of 2352 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 111 PID 4712 wrote to memory of 2352 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 111 PID 4712 wrote to memory of 2352 4712 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 111 PID 2352 wrote to memory of 2936 2352 csrss.exe 112 PID 2352 wrote to memory of 2936 2352 csrss.exe 112 PID 2352 wrote to memory of 2936 2352 csrss.exe 112 PID 2352 wrote to memory of 4876 2352 csrss.exe 117 PID 2352 wrote to memory of 4876 2352 csrss.exe 117 PID 2352 wrote to memory of 4876 2352 csrss.exe 117 PID 2352 wrote to memory of 1128 2352 csrss.exe 120 PID 2352 wrote to memory of 1128 2352 csrss.exe 120 PID 2352 wrote to memory of 1128 2352 csrss.exe 120 PID 2352 wrote to memory of 1216 2352 csrss.exe 122 PID 2352 wrote to memory of 1216 2352 csrss.exe 122 PID 4492 wrote to memory of 3396 4492 windefender.exe 128 PID 4492 wrote to memory of 3396 4492 windefender.exe 128 PID 4492 wrote to memory of 3396 4492 windefender.exe 128 PID 3396 wrote to memory of 3884 3396 cmd.exe 129 PID 3396 wrote to memory of 3884 3396 cmd.exe 129 PID 3396 wrote to memory of 3884 3396 cmd.exe 129 -
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\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
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C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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:4712 -
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:1120
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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:4984 -
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
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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:4408
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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:3108
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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:2352 -
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:2936
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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:1920
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4464
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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:4876
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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:1128
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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:1216
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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:804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4492 -
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:3396 -
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:3884
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3984
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e15109af0030a49cdb240cbd2cb16e2b
SHA1526c58d4ebd08d30945d33bc3acd9533cc2b02fe
SHA25611354bab6e36790aa6d819819bfe05782aa7e4f5ef2d3e74e2e006153c3b087a
SHA5122e7278fb5556b9a09b8656ebb1d17439e7aa2cdff8621ecff6c80c073a4bc412fba4ef412a7e5318309a6e2ea006e74f62f5d9b03ea6aac11c8a217ae10856eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca6bd5dcd1e5bd430c7e8c5fad03cd73
SHA1029627723031f21cc16b205e0ccd75a71b6ec01f
SHA25614feff707d68ef9dccf2efc0664f1c40c1339578b6bd0357e9cd2e462cc57776
SHA5129d7c254981a9ab5366d65c51b36176017b56011273f3a83d36005deecfd26e05d21f2a9379e6e9471e49a3b295e98a74eb940a368bfa11c96a568564d9e4989a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5857d40071e70bc56915e71176cec8a41
SHA1cbf1bdf9215d0f40516ff334db7afd84f7aafe16
SHA256c23e4023239f1b673ddb530d545dcdf4b81a4c2207bc7f0de70112f7a4232a31
SHA512d743621cc84fa688e1255695f4f054f4e63acc21f0cc14007d5d008bc083cf5903a5cc5c3cbd9d41d96ca331e6eea3c0cf564c1f18deedca66df7987a426732d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531a8dd4993d1b2ca3ef1b7b5912146ce
SHA13f83fa08b1f8abfc2a9b94194f8fc1782e226f81
SHA2563b919ebeadc7835d1f99a2742bdc45cf7e4ef6cc0d13d7c0617ffdb6115dae99
SHA5122292ed6150483b25f6e30450cf185ac5b4882432fd56c613b45a29d2a85fcba72770d5d840e222c24c11ef36c2cf8ac1ad1fce809707297e9e9e781304d2b8c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599d36cb1b28e0c854b628502e8fd76dc
SHA1d5b930f0b4f09f03c8cb6d205c47bd2d504c0b87
SHA256995b512dcdba969205e9edc561010919ba4d0617e7e7f8c193c92b45e906937d
SHA5124f33c02efb45759cd1a958e97cbc2468c08d00b83f9f3866ae3083e0cf5c6d6065b61aa910c71d96bca05f1620fff8636ee8a7107f26fd4d6c4ef80040b3632e
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Filesize
4.1MB
MD523ca5e94a0046867908d3d9b7d9defb4
SHA1c37b3a24f03c12177f69f8186a8b5f093cedf4c7
SHA2562ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824
SHA51224860eed33b9db62d0367db9ca29de810717f37dd308ab6cb8a99b59fc9e35193e7fd6b5ea8d0d959ffcca31bf46b2835a2adeb8a8550dd611288d21cf6db0ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec