Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 20 IoCs
resource yara_rule behavioral1/memory/3628-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/3628-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3628-53-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3628-54-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2984-57-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2984-144-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2984-153-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-260-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-269-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-271-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-273-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-277-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-279-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-281-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-283-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-285-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-287-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-289-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2052-291-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2052 csrss.exe 3196 injector.exe 3544 windefender.exe 3384 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342a-263.dat upx behavioral1/memory/3544-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3384-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3384-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3384-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 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.
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 436 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 2124 schtasks.exe 3184 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\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard 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\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula 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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4168 powershell.exe 4168 powershell.exe 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 4332 powershell.exe 4332 powershell.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 564 powershell.exe 564 powershell.exe 3544 powershell.exe 3544 powershell.exe 1360 powershell.exe 1360 powershell.exe 4552 powershell.exe 4552 powershell.exe 3272 powershell.exe 3272 powershell.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 2052 csrss.exe 2052 csrss.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 2052 csrss.exe 2052 csrss.exe 3196 injector.exe 3196 injector.exe 2052 csrss.exe 2052 csrss.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Token: SeImpersonatePrivilege 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeSystemEnvironmentPrivilege 2052 csrss.exe Token: SeSecurityPrivilege 436 sc.exe Token: SeSecurityPrivilege 436 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3628 wrote to memory of 4168 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 89 PID 3628 wrote to memory of 4168 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 89 PID 3628 wrote to memory of 4168 3628 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 89 PID 2984 wrote to memory of 4332 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 99 PID 2984 wrote to memory of 4332 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 99 PID 2984 wrote to memory of 4332 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 99 PID 2984 wrote to memory of 4384 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 101 PID 2984 wrote to memory of 4384 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 101 PID 4384 wrote to memory of 4728 4384 cmd.exe 103 PID 4384 wrote to memory of 4728 4384 cmd.exe 103 PID 2984 wrote to memory of 564 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 104 PID 2984 wrote to memory of 564 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 104 PID 2984 wrote to memory of 564 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 104 PID 2984 wrote to memory of 3544 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 106 PID 2984 wrote to memory of 3544 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 106 PID 2984 wrote to memory of 3544 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 106 PID 2984 wrote to memory of 2052 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 108 PID 2984 wrote to memory of 2052 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 108 PID 2984 wrote to memory of 2052 2984 8517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92.exe 108 PID 2052 wrote to memory of 1360 2052 csrss.exe 109 PID 2052 wrote to memory of 1360 2052 csrss.exe 109 PID 2052 wrote to memory of 1360 2052 csrss.exe 109 PID 2052 wrote to memory of 4552 2052 csrss.exe 114 PID 2052 wrote to memory of 4552 2052 csrss.exe 114 PID 2052 wrote to memory of 4552 2052 csrss.exe 114 PID 2052 wrote to memory of 3272 2052 csrss.exe 117 PID 2052 wrote to memory of 3272 2052 csrss.exe 117 PID 2052 wrote to memory of 3272 2052 csrss.exe 117 PID 2052 wrote to memory of 3196 2052 csrss.exe 119 PID 2052 wrote to memory of 3196 2052 csrss.exe 119 PID 3544 wrote to memory of 4448 3544 windefender.exe 125 PID 3544 wrote to memory of 4448 3544 windefender.exe 125 PID 3544 wrote to memory of 4448 3544 windefender.exe 125 PID 4448 wrote to memory of 436 4448 cmd.exe 126 PID 4448 wrote to memory of 436 4448 cmd.exe 126 PID 4448 wrote to memory of 436 4448 cmd.exe 126 -
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:3628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
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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:2984 -
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:4332
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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:4384 -
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:4728
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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:564
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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:3544
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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:2052 -
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:1360
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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:2124
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1368
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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:4552
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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:3272
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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:3196
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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:3184
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3544 -
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:4448 -
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:436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3384
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bc0a203f27f63f4263f966b615e1440
SHA1595166cc3763f0ce3b022a2f9037645f19375ca0
SHA2569f9174a1786554d58876d3cc12166f3d5e0d2ad9e67b9839a31b912c035d28f1
SHA512f4f3ea256194f5a70fddc539acebefeff45ef68f25c05c28b08275dcc280c558071b9bedeb3f95d4d96cd7df732c2d5f3e30ea9682297f327f935a534f822232
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507c303242c312eff6ec45d66270677ab
SHA191281746895df41906ae14f3345ffb35a1b2c82c
SHA256ff58d5405cc0907fd7f511a212216f4b78e640aa37a0a49e58d87f26c813d54a
SHA5129424bd0ce3fcbc5df863638f7f115836bba95589ba7b91b7007a9f825c108a8998aab1954990080c56318e9a735177003eddfa0b6fab72cc003858bbe395a52b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca2e45e8df8dc5ddf3e0d76c5502f615
SHA11d14647f11c4607b053df4fa4b322ded5049d7e4
SHA25607275107a6cd11f517e47a78d2efa23a8b5963c5ee486072f2f7519f367c7b16
SHA5124424fac3f7abc2e328a02518d6bdc40921c942411bd7ed4ec0ad1c13164a62a35a5f6c9cf8e69bcedc1e43a02b8431183665f9dc9bd2f79af8235579698d298f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ddc948ae53fcfc8ef204b88ed9175a8
SHA199d5e32e0c8aff0fa446e5e9c77b35852157fdc7
SHA25636d0a977537a18077ecbd8d3c9f3c9c5787cf59733eee652f7c7daa9925faf95
SHA5120930852c3526a857d1e6dc1f9ca7243b8f37199dcad90ffa7ce73ab8f17819a5c1bfdd18651845299a6350ea93e549437512a42da7f678bc0dd0de10c81eb87c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf52b0746ffce77d16ceb7e31a7e9f16
SHA16a665c2bce76cf3b7e2a9083561d4718b1510f33
SHA2563559c175a0b525e367b4a251b00f184b56b0038d1ffb1a8fe85e5059eb4ab543
SHA512e9d9bd12b8e5b5d8d30ef147a686b1903eeb43dc7ce9357ef872edfe0f3ccb9a8c6d566c7db6c59f89af4907311ae6881afacbc4093acde4e8978360a29dcd88
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Filesize
4.2MB
MD542589d5e6b9884c886dff56d5d0f945d
SHA1d7dfe644963f922b38d9f5cd2f257471d8adb8de
SHA2568517fede09f5d4e3fed10c9f81abcd84c10aa8937d9e5cb303c9812dac78bb92
SHA512bbd89d911d6726f9b11cbe1bbf61762caa0b128dbbe3f867203707fe30cc8e27df5c0b3eefcc8a7b36d1e403c76f5e986cd754319f9225088df481543c8b1807
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec