Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:55
Static task
static1
Behavioral task
behavioral1
Sample
1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe
Resource
win10v2004-20240426-en
General
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Target
1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe
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Size
4.1MB
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MD5
38ad1ea39e758f21882a06f0d320cf8b
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SHA1
f765ede7bba373919ab17140c2a884ddff71d03d
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SHA256
1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06
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SHA512
72d74e88d1a677111d235fb5d7f3a0f19dfe06e2bee4887f054ec72b34a37e7f7071ab15d9c541ff2e87b24b0b57260dd27131b7cd1152a04273187afb4e74ec
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPj:gX++d2b0aMbplZO0sFfSj
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1704-2-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/1704-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1704-144-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral1/memory/1704-143-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1704-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/672-213-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-259-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-263-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-267-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/472-271-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 472 csrss.exe 1900 injector.exe 2316 windefender.exe 4932 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000234a6-219.dat upx behavioral1/memory/2316-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4932-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2316-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4932-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4932-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3948 sc.exe -
pid Process 4804 powershell.exe 4024 powershell.exe 768 powershell.exe 3488 powershell.exe 5096 powershell.exe 4728 powershell.exe 1920 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3136 schtasks.exe 1016 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 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" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4024 powershell.exe 4024 powershell.exe 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 768 powershell.exe 768 powershell.exe 768 powershell.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 3488 powershell.exe 3488 powershell.exe 5096 powershell.exe 5096 powershell.exe 5096 powershell.exe 4728 powershell.exe 4728 powershell.exe 4728 powershell.exe 1920 powershell.exe 1920 powershell.exe 1920 powershell.exe 4804 powershell.exe 4804 powershell.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 472 csrss.exe 472 csrss.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 472 csrss.exe 472 csrss.exe 1900 injector.exe 1900 injector.exe 472 csrss.exe 472 csrss.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Token: SeImpersonatePrivilege 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 3488 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 1920 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeSystemEnvironmentPrivilege 472 csrss.exe Token: SeSecurityPrivilege 3948 sc.exe Token: SeSecurityPrivilege 3948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1704 wrote to memory of 4024 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 84 PID 1704 wrote to memory of 4024 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 84 PID 1704 wrote to memory of 4024 1704 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 84 PID 672 wrote to memory of 768 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 96 PID 672 wrote to memory of 768 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 96 PID 672 wrote to memory of 768 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 96 PID 672 wrote to memory of 3212 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 100 PID 672 wrote to memory of 3212 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 100 PID 3212 wrote to memory of 2380 3212 cmd.exe 102 PID 3212 wrote to memory of 2380 3212 cmd.exe 102 PID 672 wrote to memory of 3488 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 103 PID 672 wrote to memory of 3488 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 103 PID 672 wrote to memory of 3488 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 103 PID 672 wrote to memory of 5096 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 107 PID 672 wrote to memory of 5096 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 107 PID 672 wrote to memory of 5096 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 107 PID 672 wrote to memory of 472 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 109 PID 672 wrote to memory of 472 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 109 PID 672 wrote to memory of 472 672 1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe 109 PID 472 wrote to memory of 4728 472 csrss.exe 110 PID 472 wrote to memory of 4728 472 csrss.exe 110 PID 472 wrote to memory of 4728 472 csrss.exe 110 PID 472 wrote to memory of 1920 472 csrss.exe 116 PID 472 wrote to memory of 1920 472 csrss.exe 116 PID 472 wrote to memory of 1920 472 csrss.exe 116 PID 472 wrote to memory of 4804 472 csrss.exe 118 PID 472 wrote to memory of 4804 472 csrss.exe 118 PID 472 wrote to memory of 4804 472 csrss.exe 118 PID 472 wrote to memory of 1900 472 csrss.exe 120 PID 472 wrote to memory of 1900 472 csrss.exe 120 PID 2316 wrote to memory of 452 2316 windefender.exe 126 PID 2316 wrote to memory of 452 2316 windefender.exe 126 PID 2316 wrote to memory of 452 2316 windefender.exe 126 PID 452 wrote to memory of 3948 452 cmd.exe 127 PID 452 wrote to memory of 3948 452 cmd.exe 127 PID 452 wrote to memory of 3948 452 cmd.exe 127 -
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\1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe"C:\Users\Admin\AppData\Local\Temp\1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4024
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C:\Users\Admin\AppData\Local\Temp\1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.exe"C:\Users\Admin\AppData\Local\Temp\1f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06.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:672 -
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:768
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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:3212 -
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:2380
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096
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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:472 -
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:4728
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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:3136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4540
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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:1920
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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:4804
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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:1900
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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:1016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2316 -
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:452 -
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:3948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4932
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5805954577c21563e6c9b90a01a7e5367
SHA1ad58001aa37fe5128e6b850925a24118c27a4a1d
SHA256ab9b81809660e4416efaaee15503c0c43ab9552c1d1bec0359e1bf1904dc34f1
SHA51233fb9517e322e9dad73696406a16e12912397392e63dbfb66d5f7083efd71e9b25a9b7836a16d0534566ca7e6e7a4ae852b877498314d97d97180666e8f12ba1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582f00fbc6263f66538834760a8380560
SHA175d40b4dd05a27b26ff9bb2e83d6b54b65cc016c
SHA256c79995a4f20abd7934640fd21bd9b080166a3d935c3c72f370fb4c8af5b55fac
SHA5120e5ce1eb7827356461db3fd6960cb1a3e3231fde61bfb0bf8079e3992c92105e409bd82c8261259e7fcc97b41745365b1b2bd330af2329c7dc48c645da60b5a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545634ab065b013b153b27e8f88fa4b49
SHA1d9047062123f5fbfdc33eff93107fedc4c65fd19
SHA2567f797bafb63d30b1bb1eb68edd54300545fd8cc318ce034886ccd15c02b4caa6
SHA51203c72a1784c586e7d9e8d796f3188f3fe7e830bd4f0a448efe37cc939456ffdaf628847183b1b317fa600d5dd384076d5f3a00d6618c8b06098388297d06bc6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5501a95342bd401fdb051161c806c189b
SHA101e9b876be4e797f2a04d8f01f748606ca9cbaa1
SHA256c70370b9fa17c757d5e9fdc1c9558899d45346265748b58ac5719896eeae9dcd
SHA512f3d253ea32c4cb6f73da541838155123c3f00f8679a67837dc4c0d9ff4aa73fb5ebfc97aaeffae03943ff04c9f09a71989722dec789cb097076f97809b5d1635
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a59c6074fccf68aa4c4c5076b87c8e17
SHA1f42cdcf32ce9e901ba2bf3e7aae11a0855f4cb91
SHA256fe4e60e63874928ebb2f8d2a427046e92d9b6468417525e66403c9f5ad2b1bb6
SHA5122ac602cfef625f476ba3e2b7643cb2bb0837d103db094f4823c198dac919e714f916ae2619ea0f1b6ea6b0f7c6e05a7a0cb8378bb43a5c85c9b016641a895017
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Filesize
4.1MB
MD538ad1ea39e758f21882a06f0d320cf8b
SHA1f765ede7bba373919ab17140c2a884ddff71d03d
SHA2561f71ff4066a67fe15e3fb38dd55407ca0dbcf1b56e82b2fe4b876fcc82573a06
SHA51272d74e88d1a677111d235fb5d7f3a0f19dfe06e2bee4887f054ec72b34a37e7f7071ab15d9c541ff2e87b24b0b57260dd27131b7cd1152a04273187afb4e74ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec