Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:49
Static task
static1
Behavioral task
behavioral1
Sample
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe
Resource
win10v2004-20240508-en
General
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Target
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe
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Size
4.1MB
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MD5
1fdb8877b4818d917050a8e8722f0294
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SHA1
a425e13ed6cdce132d449eb5ec07a1703dacb5c7
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SHA256
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f
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SHA512
a5f28bf8ba9eb3b95da727288f90237149da8caf826dd3e69761cfe3eca674e7d053e666ecc72849e13663687dfd0556f030e14a9bef6d7c6c89ec4007d45ec9
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0D:ALmIkbquibpii2yAk4+2fEKmbg
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral2/memory/788-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/788-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/788-100-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/3960-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1256-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 348 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1256 csrss.exe 1452 injector.exe 4408 windefender.exe 2968 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4408-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2968-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4408-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2968-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2968-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe -
Drops file in Windows directory 4 IoCs
Processes:
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe File created C:\Windows\rss\csrss.exe 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.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.
Processes:
sc.exepid process 2324 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3712 powershell.exe 1160 powershell.exe 4760 powershell.exe 4960 powershell.exe 3324 powershell.exe 2872 powershell.exe 4768 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1064 schtasks.exe 476 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.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,-351 = "FLE 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\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-384 = "Namibia Daylight Time" windefender.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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exepowershell.exe7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3712 powershell.exe 3712 powershell.exe 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 1160 powershell.exe 1160 powershell.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe 4760 powershell.exe 4760 powershell.exe 4960 powershell.exe 4960 powershell.exe 3324 powershell.exe 3324 powershell.exe 2872 powershell.exe 2872 powershell.exe 4768 powershell.exe 4768 powershell.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1256 csrss.exe 1256 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1256 csrss.exe 1256 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1256 csrss.exe 1256 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Token: SeImpersonatePrivilege 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe Token: SeDebugPrivilege 1160 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeSystemEnvironmentPrivilege 1256 csrss.exe Token: SeSecurityPrivilege 2324 sc.exe Token: SeSecurityPrivilege 2324 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 788 wrote to memory of 3712 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 788 wrote to memory of 3712 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 788 wrote to memory of 3712 788 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 1160 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 1160 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 1160 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 2188 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe cmd.exe PID 3960 wrote to memory of 2188 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe cmd.exe PID 2188 wrote to memory of 348 2188 cmd.exe netsh.exe PID 2188 wrote to memory of 348 2188 cmd.exe netsh.exe PID 3960 wrote to memory of 4760 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 4760 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 4760 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 4960 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 4960 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 4960 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe powershell.exe PID 3960 wrote to memory of 1256 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe csrss.exe PID 3960 wrote to memory of 1256 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe csrss.exe PID 3960 wrote to memory of 1256 3960 7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe csrss.exe PID 1256 wrote to memory of 3324 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 3324 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 3324 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 2872 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 2872 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 2872 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 4768 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 4768 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 4768 1256 csrss.exe powershell.exe PID 1256 wrote to memory of 1452 1256 csrss.exe injector.exe PID 1256 wrote to memory of 1452 1256 csrss.exe injector.exe PID 4408 wrote to memory of 1772 4408 windefender.exe cmd.exe PID 4408 wrote to memory of 1772 4408 windefender.exe cmd.exe PID 4408 wrote to memory of 1772 4408 windefender.exe cmd.exe PID 1772 wrote to memory of 2324 1772 cmd.exe sc.exe PID 1772 wrote to memory of 2324 1772 cmd.exe sc.exe PID 1772 wrote to memory of 2324 1772 cmd.exe sc.exe -
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\7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe"C:\Users\Admin\AppData\Local\Temp\7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3712 -
C:\Users\Admin\AppData\Local\Temp\7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.exe"C:\Users\Admin\AppData\Local\Temp\7fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f.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:3960 -
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:1160 -
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:2188 -
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:348 -
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:4760 -
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:4960 -
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:1256 -
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:3324 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1064 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:848
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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:2872 -
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:4768 -
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:1452 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:476 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4408 -
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:1772 -
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:2324
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2968
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c10d50938086e8c7e29b6ee935fdddc
SHA16817e7337bc2fcf10edcd28318181e45ad2d48a3
SHA2563caa2845e46109694205f648924f39a0e6344227899a5086ddff9c2f401dacba
SHA512b315a7e9c2e493706875d492e17ef541f81007c9906cb26642d8981fe810816f8052a8ea0be22e4386c82cad37bfc4ec8ba02976503a1dee4629c9a09bf14a00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5278d6cdaab540c641a05fd827836a53f
SHA1609cd772c671a168cc68c36bb35455a9a61cfab7
SHA2562d2526a9d38b1a597ed094138ae69dad7fd0272fca1408f81f3897742dc7d066
SHA512620a73dcfbf819e7c75e3afe7756222757797f9cc78bcd4b060c1b56f0b81cc9b343e465c906751eb37d6ade9ad4e88f42bfcf61b6885773f84ce58369fae7ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518b5f234668f71606bfde6bc513cc69a
SHA1a03e42c3083dad60506c3eab9e67a6f3a4a16202
SHA2563a3418a3473e82f5134153460ea06170d88d33ae273b8f986cb5a4abfc207f61
SHA512cd25d382083199f66ca9b26f8f59d18a9ddb836a14e9dce956aa051f50b93c7d3c9f84e8e23c39d92ecdc99bb93990cd7f24db1872ef9d05b9366e51f1376bee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b5aa8b81d54a4e64e49fb3261638e20
SHA1a414304389413a41f3566f92d57ede016cce3651
SHA256e826681e5c24d400c36c241856ea576a43c6b26d990b8e1ed2b61e9fdb41a4b0
SHA512d641845be6ce4ead61b78b4bd78902d25127ac307a233c597fd2d6f125468b48ad7b9b8ac0948aae015880b5c57f72b43db1b6ea64f5dc725d9d81fec13a4e5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7c8842a3f56e9d25ae4ebf6cbef3f40
SHA109d2281cdc5ad0dc23dfabf2cda6d53e7b76f42a
SHA256db8dc980e11fad51b9efb0f1068d53836098fa0aec8d4e1e4d8496c6eb8674f7
SHA5128afb8b89c7c6340a851e8671333cc345f55e97ee08626b0043cade905c038816fdb39d964494a3dda5dd06e55f2e8384bae870fe6f7fa2be61a51f2a4936248d
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Filesize
4.1MB
MD51fdb8877b4818d917050a8e8722f0294
SHA1a425e13ed6cdce132d449eb5ec07a1703dacb5c7
SHA2567fe1c70a65b522557db0a312b50343946aae3375a8fbc1c51faca2b013d3dc8f
SHA512a5f28bf8ba9eb3b95da727288f90237149da8caf826dd3e69761cfe3eca674e7d053e666ecc72849e13663687dfd0556f030e14a9bef6d7c6c89ec4007d45ec9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec