Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 01:36
Static task
static1
Behavioral task
behavioral1
Sample
26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe
Resource
win10v2004-20240426-en
General
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Target
26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe
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Size
4.1MB
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MD5
da75255c8e2b23bcdbd9267ba95f3ed5
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SHA1
aa130c65f387a48dedfb30eb48d59311dbfe0867
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SHA256
26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f
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SHA512
15beaab4ed1ac27d8278e44b1111d816ba2798ca731d496120727ec1b649f72f96ac548e94e40a205beab774c55d0839ec058b5967a7cc35ca85be8458508c3a
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SSDEEP
98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PFw:Bos8riuQnYS21lsngzdH/0ga
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/220-2-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/220-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1660-129-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/220-142-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/220-182-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/220-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/404-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-223-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-247-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-250-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/404-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2736 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 404 csrss.exe 1596 injector.exe 1300 windefender.exe 2644 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002348c-216.dat upx behavioral1/memory/1300-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1300-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2644-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2644-230-0x0000000000400000-0x00000000008DF000-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\"" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.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 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 File created 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 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe File created C:\Windows\rss\csrss.exe 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.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 4624 sc.exe -
pid Process 3252 powershell.exe 3964 powershell.exe 1380 powershell.exe 1788 powershell.exe 5048 powershell.exe 5056 powershell.exe 1580 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 4684 schtasks.exe 2896 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,-1661 = "Bahia Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard 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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1380 powershell.exe 1380 powershell.exe 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1788 powershell.exe 1788 powershell.exe 1788 powershell.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 5048 powershell.exe 5048 powershell.exe 5048 powershell.exe 5056 powershell.exe 5056 powershell.exe 5056 powershell.exe 1580 powershell.exe 1580 powershell.exe 3252 powershell.exe 3252 powershell.exe 3964 powershell.exe 3964 powershell.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 404 csrss.exe 404 csrss.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 404 csrss.exe 404 csrss.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 404 csrss.exe 404 csrss.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe 1596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Token: SeImpersonatePrivilege 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 404 csrss.exe Token: SeSecurityPrivilege 4624 sc.exe Token: SeSecurityPrivilege 4624 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 220 wrote to memory of 1380 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 87 PID 220 wrote to memory of 1380 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 87 PID 220 wrote to memory of 1380 220 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 87 PID 1660 wrote to memory of 1788 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 95 PID 1660 wrote to memory of 1788 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 95 PID 1660 wrote to memory of 1788 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 95 PID 1660 wrote to memory of 4200 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 99 PID 1660 wrote to memory of 4200 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 99 PID 4200 wrote to memory of 2736 4200 cmd.exe 101 PID 4200 wrote to memory of 2736 4200 cmd.exe 101 PID 1660 wrote to memory of 5048 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 104 PID 1660 wrote to memory of 5048 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 104 PID 1660 wrote to memory of 5048 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 104 PID 1660 wrote to memory of 5056 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 106 PID 1660 wrote to memory of 5056 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 106 PID 1660 wrote to memory of 5056 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 106 PID 1660 wrote to memory of 404 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 108 PID 1660 wrote to memory of 404 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 108 PID 1660 wrote to memory of 404 1660 26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe 108 PID 404 wrote to memory of 1580 404 csrss.exe 109 PID 404 wrote to memory of 1580 404 csrss.exe 109 PID 404 wrote to memory of 1580 404 csrss.exe 109 PID 404 wrote to memory of 3252 404 csrss.exe 115 PID 404 wrote to memory of 3252 404 csrss.exe 115 PID 404 wrote to memory of 3252 404 csrss.exe 115 PID 404 wrote to memory of 3964 404 csrss.exe 117 PID 404 wrote to memory of 3964 404 csrss.exe 117 PID 404 wrote to memory of 3964 404 csrss.exe 117 PID 404 wrote to memory of 1596 404 csrss.exe 119 PID 404 wrote to memory of 1596 404 csrss.exe 119 PID 1300 wrote to memory of 1080 1300 windefender.exe 125 PID 1300 wrote to memory of 1080 1300 windefender.exe 125 PID 1300 wrote to memory of 1080 1300 windefender.exe 125 PID 1080 wrote to memory of 4624 1080 cmd.exe 126 PID 1080 wrote to memory of 4624 1080 cmd.exe 126 PID 1080 wrote to memory of 4624 1080 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\26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe"C:\Users\Admin\AppData\Local\Temp\26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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C:\Users\Admin\AppData\Local\Temp\26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.exe"C:\Users\Admin\AppData\Local\Temp\26e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f.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:1660 -
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:1788
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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:4200 -
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:2736
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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:5048
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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:5056
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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:404 -
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:1580
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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:4684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1844
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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:3252
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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:3964
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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:1596
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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:2896
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1300 -
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:1080 -
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:4624
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2644
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
MD5738e27c36ff1ea17bcb32021c27128f3
SHA10a48744e37f67cd88b191a525e41457a52bfe6e4
SHA256d11995a419715dba726a852c7b00e8295e1dc3231f39a1479aa203613f0453df
SHA5123bc073bb02ca10ba87b4e24c24614486e914bd42a4093001c87b558a3ea242d87431c3ebd5cbdd2d55576ac643c9010573259cbc7f5a72372fc4bd468502f81f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fac761b0ad57675d24b4570929def3f5
SHA1c794f78517138ff1e16b1b4fb6f16db23ac8d0c6
SHA2565df688805ab866e952a838a3ed76ac8968b375e1966eeb53bc9e39e2b6304549
SHA5121cd8ac7dd858ca7cf3d75288944241f5ac4d40f6e6ee363bbf38be509d36bfe5c1dd12fcd8c821c358a00a823ac5107a552aec0b46230b26914be73066b6f330
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59119c2660d068bbeed21da355b32a318
SHA116d768d4b3b8fa895feac6b86cc39381a6cfae59
SHA2565616a03c39d92f80d80b3db93ea18606c1499eb0476607ec16c0917840833f01
SHA512de7fa4f0efe55eb20b2d88ee6bc3a0cba4744b0614d038283e128e4752394eb8fa88afae19d85983cdc132d764c6a79d9adecc3fe8399fc26883a5fdf242c2e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58002b3dba766b7bb30b756f3944674c0
SHA1237f0be16bda8f660572e48c51d4484b66682027
SHA2567335c8a0af27cec4691f33468bb7251e24ee31ae966dd083d1b38c7eb6722bb8
SHA5126eaaeb92fb85291434cf076e35b44e6e2e006b99ab98d5a8007e7ac4ac64a0b160b0b37cc97486365a2daf70de408175e9b5a331fdea723dd332527d348181ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc3b4e940aeea4dde97ccbebdd674efb
SHA1406926c6468cf9f5a5ff7a31d4da9074fa2dff1e
SHA256e4a5abf392f9515a96e2275b4cc1e115631590b91a68157fbaa6a1000df6015d
SHA5121a4d155c073710f05dfe2b8757c7b905de5872e4664efb43f1a0b426923dbda6f998ed331441f08fa5fd40d90f5959e475b8fe54103f61767dbd0836a576d51c
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Filesize
4.1MB
MD5da75255c8e2b23bcdbd9267ba95f3ed5
SHA1aa130c65f387a48dedfb30eb48d59311dbfe0867
SHA25626e488de24513b35ac1a7d5d8602d9ac9ae6e452259a9b7333c6e11069af3b0f
SHA51215beaab4ed1ac27d8278e44b1111d816ba2798ca731d496120727ec1b649f72f96ac548e94e40a205beab774c55d0839ec058b5967a7cc35ca85be8458508c3a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec