Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:42
Static task
static1
Behavioral task
behavioral1
Sample
8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe
Resource
win10v2004-20240412-en
General
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Target
8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe
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Size
4.2MB
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MD5
42589d5e6b9884c886dff56d5d0f945d
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SHA1
d7dfe644963f922b38d9f5cd2f257471d8adb8de
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SHA256
8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92
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SHA512
bbd89d911d6726f9b11cbe1bbf61762caa0b128dbbe3f867203707fe30cc8e27df5c0b3eefcc8a7b36d1e403c76f5e986cd754319f9225088df481543c8b1807
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SSDEEP
98304:ez7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7+:U7NcfZtQ9LJEd3aOYT++
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2368-2-0x0000000005390000-0x0000000005C7B000-memory.dmp family_glupteba behavioral2/memory/2368-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1128-53-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2368-77-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1128-126-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1128-189-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-239-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-250-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-254-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-258-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-262-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-266-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-274-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-282-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-286-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-290-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-294-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2952 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4776 csrss.exe 2980 injector.exe 2944 windefender.exe 2524 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a974-243.dat upx behavioral2/memory/2944-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2524-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2524-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe File created C:\Windows\rss\csrss.exe 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1856 sc.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 4516 schtasks.exe 3016 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.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\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1780 powershell.exe 1780 powershell.exe 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 4972 powershell.exe 4972 powershell.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 3204 powershell.exe 3204 powershell.exe 1264 powershell.exe 1264 powershell.exe 4392 powershell.exe 4392 powershell.exe 4944 powershell.exe 4944 powershell.exe 1924 powershell.exe 1924 powershell.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 4776 csrss.exe 4776 csrss.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 4776 csrss.exe 4776 csrss.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 4776 csrss.exe 4776 csrss.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe 2980 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Token: SeImpersonatePrivilege 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeSystemEnvironmentPrivilege 4776 csrss.exe Token: SeSecurityPrivilege 1856 sc.exe Token: SeSecurityPrivilege 1856 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1780 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 82 PID 2368 wrote to memory of 1780 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 82 PID 2368 wrote to memory of 1780 2368 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 82 PID 1128 wrote to memory of 4972 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 87 PID 1128 wrote to memory of 4972 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 87 PID 1128 wrote to memory of 4972 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 87 PID 1128 wrote to memory of 3192 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 89 PID 1128 wrote to memory of 3192 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 89 PID 3192 wrote to memory of 2952 3192 cmd.exe 91 PID 3192 wrote to memory of 2952 3192 cmd.exe 91 PID 1128 wrote to memory of 3204 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 92 PID 1128 wrote to memory of 3204 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 92 PID 1128 wrote to memory of 3204 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 92 PID 1128 wrote to memory of 1264 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 94 PID 1128 wrote to memory of 1264 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 94 PID 1128 wrote to memory of 1264 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 94 PID 1128 wrote to memory of 4776 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 96 PID 1128 wrote to memory of 4776 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 96 PID 1128 wrote to memory of 4776 1128 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 96 PID 4776 wrote to memory of 4392 4776 csrss.exe 97 PID 4776 wrote to memory of 4392 4776 csrss.exe 97 PID 4776 wrote to memory of 4392 4776 csrss.exe 97 PID 4776 wrote to memory of 4944 4776 csrss.exe 103 PID 4776 wrote to memory of 4944 4776 csrss.exe 103 PID 4776 wrote to memory of 4944 4776 csrss.exe 103 PID 4776 wrote to memory of 1924 4776 csrss.exe 105 PID 4776 wrote to memory of 1924 4776 csrss.exe 105 PID 4776 wrote to memory of 1924 4776 csrss.exe 105 PID 4776 wrote to memory of 2980 4776 csrss.exe 107 PID 4776 wrote to memory of 2980 4776 csrss.exe 107 PID 2944 wrote to memory of 2620 2944 windefender.exe 113 PID 2944 wrote to memory of 2620 2944 windefender.exe 113 PID 2944 wrote to memory of 2620 2944 windefender.exe 113 PID 2620 wrote to memory of 1856 2620 cmd.exe 114 PID 2620 wrote to memory of 1856 2620 cmd.exe 114 PID 2620 wrote to memory of 1856 2620 cmd.exe 114 -
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\8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe"C:\Users\Admin\AppData\Local\Temp\8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1780
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C:\Users\Admin\AppData\Local\Temp\8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe"C:\Users\Admin\AppData\Local\Temp\8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.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:1128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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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:3192 -
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:2952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3204
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1264
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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:4776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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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:4516
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4100
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924
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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:2980
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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:3016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2944 -
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:2620 -
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:1856
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2524
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
MD5db64a3bcc84fb46e20dd35726bed3e48
SHA1905badcf504591f0a9ce9d2160b4e434eb30ee1d
SHA25639d3f578230c6d9c0b2701212c6eb4ae9863b7750c5d756bec8ab466f970c2a7
SHA5121702d7a1419f96bef27290306115eda198445fcafa58ba942e0550ac96fa824f4d4a0536c94d201918ca7c4efb78adc8d845923d700c3e242deedc4769a3160e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e10b5cfefb4e0a20785c8c20f44fa1ef
SHA1da6d7e0bf765edf5b2548ceca5ad8dc82785ee5a
SHA256440a247ffc181c9fac2ff4a89229798f21c5aed424a7bc713c5c94cd86f0b6d2
SHA5128f258d28a1d451c70bfb8e8d9d4e886bfc9ac9f415c1e0be027256596a24d14fe100e6d871e9c20b4f8793e0cd5bd50586f3cfab5c82d5e97827fcc6d9d35f84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57599fe4c7d52a2d0d17def4eff9bc6ee
SHA1f041bbe49f76650925e53130bff8eada90496737
SHA2561cb60f2fc8b9351014b976f94ad471cb9c9f053aa86db36157618f3edfed7012
SHA512af06f36cb54796b272f75038ea024e20692fe3ee8e6f5510aed49373f28f0850afaeb4ed9c8081fc608dc88877813f6b94c5d471e79e1f108f4d3f99a0990eef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523f672485a27dd208d888198b1b7d19f
SHA14239be386c837532cadc755c655984d29eaf9882
SHA25644668f68465d77e75a82ea08536e9580963d21197d81b6b571eda38c81a8d2c9
SHA512df589e735c70d370b07cf65db44530e78b14bc72aa08597caea0bc12703b550664ab91f491127d80cda33dc9bcdf068d068ebc0066801e54c48cec672a4f8aa7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5301ad34f12a7a776abdb9f0909f25460
SHA14a3ea58235c59c0aabaaac49db462c35918e6f0a
SHA2562293160d1a359f7b533528362dba46a98ac7f5bbad00539b46a50339549e6148
SHA512993ba2391efb136f8e12326717182bde6a858eaaaf29cdee63c428da19b3c3f6515b513e9e8c26523c8748a3e599d41e93879e629f18cc03dc7031fb721c2a91
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Filesize
4.2MB
MD542589d5e6b9884c886dff56d5d0f945d
SHA1d7dfe644963f922b38d9f5cd2f257471d8adb8de
SHA2568517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92
SHA512bbd89d911d6726f9b11cbe1bbf61762caa0b128dbbe3f867203707fe30cc8e27df5c0b3eefcc8a7b36d1e403c76f5e986cd754319f9225088df481543c8b1807
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec