Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2023, 13:25
Static task
static1
General
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Target
643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe
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Size
4.1MB
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MD5
21b0056f9ee2f5836be4f1391c25ca59
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SHA1
82bfb3f68c517002549caf39f6a663b15b6b4dd4
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SHA256
643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c
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SHA512
c0788027ecb8f67fc48374e65c463d70f94a65ff2d740c851795a66be388031f8b5a9d831c7a248204885c1d277abb63e880c07bc108df3f3ddee63f6d7d916b
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SSDEEP
98304:Ev48/IyQ47dhKZs0C37AXa02Lr09ZZ5PNDO:EL3Q8dhKZc7Aj2Lg73Fi
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4448-2-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/4448-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4448-24-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4448-26-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/4448-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1536-62-0x0000000002A30000-0x0000000002E2C000-memory.dmp family_glupteba behavioral1/memory/1536-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1536-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1536-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-224-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-297-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-301-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1824-311-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3788 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1824 csrss.exe 4428 injector.exe 1964 windefender.exe 4672 windefender.exe 4176 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022ea9-267.dat upx behavioral1/files/0x0007000000022ea9-269.dat upx behavioral1/files/0x0007000000022ea9-270.dat upx behavioral1/memory/1964-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4672-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4672-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000d000000022d79-306.dat upx behavioral1/files/0x000d000000022d79-308.dat upx behavioral1/memory/4672-309-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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 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 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 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe File created C:\Windows\rss\csrss.exe 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3488 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 3024 schtasks.exe 1196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 228 powershell.exe 228 powershell.exe 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 2072 powershell.exe 2072 powershell.exe 2072 powershell.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 4960 powershell.exe 4960 powershell.exe 4928 powershell.exe 4928 powershell.exe 4928 powershell.exe 1664 powershell.exe 1664 powershell.exe 1664 powershell.exe 3120 powershell.exe 3120 powershell.exe 3120 powershell.exe 4960 powershell.exe 4960 powershell.exe 4960 powershell.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 1824 csrss.exe 1824 csrss.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 1824 csrss.exe 1824 csrss.exe 4428 injector.exe 4428 injector.exe 1824 csrss.exe 1824 csrss.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Token: SeImpersonatePrivilege 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeSystemEnvironmentPrivilege 1824 csrss.exe Token: SeSecurityPrivilege 3488 sc.exe Token: SeSecurityPrivilege 3488 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4448 wrote to memory of 228 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 95 PID 4448 wrote to memory of 228 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 95 PID 4448 wrote to memory of 228 4448 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 95 PID 1536 wrote to memory of 2072 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 102 PID 1536 wrote to memory of 2072 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 102 PID 1536 wrote to memory of 2072 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 102 PID 1536 wrote to memory of 5084 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 105 PID 1536 wrote to memory of 5084 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 105 PID 5084 wrote to memory of 3788 5084 cmd.exe 107 PID 5084 wrote to memory of 3788 5084 cmd.exe 107 PID 1536 wrote to memory of 4960 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 108 PID 1536 wrote to memory of 4960 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 108 PID 1536 wrote to memory of 4960 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 108 PID 1536 wrote to memory of 4928 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 111 PID 1536 wrote to memory of 4928 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 111 PID 1536 wrote to memory of 4928 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 111 PID 1536 wrote to memory of 1824 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 113 PID 1536 wrote to memory of 1824 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 113 PID 1536 wrote to memory of 1824 1536 643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe 113 PID 1824 wrote to memory of 1664 1824 csrss.exe 114 PID 1824 wrote to memory of 1664 1824 csrss.exe 114 PID 1824 wrote to memory of 1664 1824 csrss.exe 114 PID 1824 wrote to memory of 3120 1824 csrss.exe 120 PID 1824 wrote to memory of 3120 1824 csrss.exe 120 PID 1824 wrote to memory of 3120 1824 csrss.exe 120 PID 1824 wrote to memory of 4960 1824 csrss.exe 122 PID 1824 wrote to memory of 4960 1824 csrss.exe 122 PID 1824 wrote to memory of 4960 1824 csrss.exe 122 PID 1824 wrote to memory of 4428 1824 csrss.exe 124 PID 1824 wrote to memory of 4428 1824 csrss.exe 124 PID 1964 wrote to memory of 1704 1964 windefender.exe 130 PID 1964 wrote to memory of 1704 1964 windefender.exe 130 PID 1964 wrote to memory of 1704 1964 windefender.exe 130 PID 1704 wrote to memory of 3488 1704 cmd.exe 131 PID 1704 wrote to memory of 3488 1704 cmd.exe 131 PID 1704 wrote to memory of 3488 1704 cmd.exe 131 PID 1824 wrote to memory of 4176 1824 csrss.exe 144 PID 1824 wrote to memory of 4176 1824 csrss.exe 144 PID 1824 wrote to memory of 4176 1824 csrss.exe 144 -
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\643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe"C:\Users\Admin\AppData\Local\Temp\643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:228
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C:\Users\Admin\AppData\Local\Temp\643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.exe"C:\Users\Admin\AppData\Local\Temp\643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c.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:1536 -
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:2072
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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:5084 -
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:3788
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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:4960
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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:4928
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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:1824 -
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:1664
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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:3024
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3572
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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:3120
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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:4960
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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:4428
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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:1196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1964 -
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:1704 -
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:3488
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4176 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4672
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5187df468bed421ee4885ea26746483bc
SHA1dfec1d83e96056e43042c0dbceb53009e0dc213f
SHA256b242f60b26fc594e6abd6d20816d05d36c05184765ee4f4e0e2286fcfefedca6
SHA512b6da8078c07ba8a6659e04c34a137cd4e6103326d82081a8f621a029334ed7e1f8427eeae9420b58974d1c451421301e23657e7930768036fb46f5b3bf8111ef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50aebd0d87b9851a744f4df0d76b9fd79
SHA1ecd74984841f9a0c078391f9c525de89e85059c0
SHA256728d291dbfdf2b36e9648321d8a4f07dd795446a2c46cd94c734587dbf9c8b6a
SHA512cdbbf134cfe4010c3e544c3bd28b3ae9540fded579eb93f9b30b2d76dd9d7f172e6cac5d14ddd13bdaf8da91cb4c612a0cc64d02bc5d0fdcc60ac9e0600ac6f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5597a46c0e814ae6b8a1097347d7046e0
SHA1a0de71739b5775f2ddf1c7e7f219777e602cb058
SHA256b5e80c9169a911c56a0a11ccf3ce75cee15ba3307606914f5a7fc03aedec851d
SHA51240375fe85ccdfd9703eb1b13d495503febb3dcdb474a2c5442728b435ae14dfce147f5e595449fd202950cdbb7c1edc8c3a10a0830a533123d08b473348299a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58aa21317deb9755c5d496ca99b44f66c
SHA1e42772aed01d98274cf025848cd398ffb48f391c
SHA2567ff79d49420b47605cb6c2b677d1d4b07a929aa66804b037fe5ba8f55c004f41
SHA512707f11c8c4ca030952114397c21338ba377cf7742b835fcdf7e598ee0f1c4deb56261492bf8343bc296fd79ab1af5d9aeacfcdedfea17cad609ed7143b16c84b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e8732bd07b0a3a2383d60adf0ef0877
SHA128c7e327a75503ee5917e32c7d7805c2b17854eb
SHA25620a45ba0fa68a899260b04c829e4e70ad0cd5c58426aa75250478465b2a2cdb4
SHA51290d919c9dd517f16fa04f38acc5c7958646d4737d67aeabe46ca96b8a20e341d2c93487d49d93d64629d793e0610da88f900085ddd8e985b303186d25e882738
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Filesize
4.1MB
MD521b0056f9ee2f5836be4f1391c25ca59
SHA182bfb3f68c517002549caf39f6a663b15b6b4dd4
SHA256643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c
SHA512c0788027ecb8f67fc48374e65c463d70f94a65ff2d740c851795a66be388031f8b5a9d831c7a248204885c1d277abb63e880c07bc108df3f3ddee63f6d7d916b
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Filesize
4.1MB
MD521b0056f9ee2f5836be4f1391c25ca59
SHA182bfb3f68c517002549caf39f6a663b15b6b4dd4
SHA256643bf3984beda43dbc0a0a01853d71aeec769ee116c65ab18396e4d5f83ea74c
SHA512c0788027ecb8f67fc48374e65c463d70f94a65ff2d740c851795a66be388031f8b5a9d831c7a248204885c1d277abb63e880c07bc108df3f3ddee63f6d7d916b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec