Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe
Resource
win10v2004-20240426-en
General
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Target
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe
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Size
4.1MB
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MD5
cc5fb9db22123f5ddc5414ba087cfab9
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SHA1
40239c9093950eb0465b479b18bf90bc7d460047
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SHA256
66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4
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SHA512
7a938890c014ae7735cb0b7780fac16af099c9d1d9a0182d9f5ceb6c852c438813c860d4b7f611c62826d36891b3a6f701e51d8a49f48c7604053d245d3caa5b
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SSDEEP
98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2A:7rhn/yCBZkM+pB3dzB
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1376-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/1376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4364-47-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/1376-112-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4364-165-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5028-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4608 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5028 csrss.exe 1580 injector.exe 3664 windefender.exe 2284 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023444-216.dat upx behavioral1/memory/3664-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe File created C:\Windows\rss\csrss.exe 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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 396 sc.exe -
pid Process 3292 powershell.exe 3524 powershell.exe 3324 powershell.exe 3932 powershell.exe 2376 powershell.exe 1552 powershell.exe 3968 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2376 3524 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2760 schtasks.exe 2076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" 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\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3524 powershell.exe 3524 powershell.exe 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 3324 powershell.exe 3324 powershell.exe 3324 powershell.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 3932 powershell.exe 3932 powershell.exe 3932 powershell.exe 2376 powershell.exe 2376 powershell.exe 2376 powershell.exe 1552 powershell.exe 1552 powershell.exe 1552 powershell.exe 3968 powershell.exe 3968 powershell.exe 3968 powershell.exe 3292 powershell.exe 3292 powershell.exe 3292 powershell.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 5028 csrss.exe 5028 csrss.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 5028 csrss.exe 5028 csrss.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 5028 csrss.exe 5028 csrss.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Token: SeImpersonatePrivilege 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 2376 powershell.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeSystemEnvironmentPrivilege 5028 csrss.exe Token: SeSecurityPrivilege 396 sc.exe Token: SeSecurityPrivilege 396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1376 wrote to memory of 3524 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 1376 wrote to memory of 3524 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 1376 wrote to memory of 3524 1376 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 88 PID 4364 wrote to memory of 3324 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 100 PID 4364 wrote to memory of 3324 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 100 PID 4364 wrote to memory of 3324 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 100 PID 4364 wrote to memory of 4128 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 105 PID 4364 wrote to memory of 4128 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 105 PID 4128 wrote to memory of 4608 4128 cmd.exe 107 PID 4128 wrote to memory of 4608 4128 cmd.exe 107 PID 4364 wrote to memory of 3932 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 108 PID 4364 wrote to memory of 3932 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 108 PID 4364 wrote to memory of 3932 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 108 PID 4364 wrote to memory of 2376 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 110 PID 4364 wrote to memory of 2376 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 110 PID 4364 wrote to memory of 2376 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 110 PID 4364 wrote to memory of 5028 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 112 PID 4364 wrote to memory of 5028 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 112 PID 4364 wrote to memory of 5028 4364 66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe 112 PID 5028 wrote to memory of 1552 5028 csrss.exe 113 PID 5028 wrote to memory of 1552 5028 csrss.exe 113 PID 5028 wrote to memory of 1552 5028 csrss.exe 113 PID 5028 wrote to memory of 3968 5028 csrss.exe 119 PID 5028 wrote to memory of 3968 5028 csrss.exe 119 PID 5028 wrote to memory of 3968 5028 csrss.exe 119 PID 5028 wrote to memory of 3292 5028 csrss.exe 121 PID 5028 wrote to memory of 3292 5028 csrss.exe 121 PID 5028 wrote to memory of 3292 5028 csrss.exe 121 PID 5028 wrote to memory of 1580 5028 csrss.exe 123 PID 5028 wrote to memory of 1580 5028 csrss.exe 123 PID 3664 wrote to memory of 2756 3664 windefender.exe 130 PID 3664 wrote to memory of 2756 3664 windefender.exe 130 PID 3664 wrote to memory of 2756 3664 windefender.exe 130 PID 2756 wrote to memory of 396 2756 cmd.exe 131 PID 2756 wrote to memory of 396 2756 cmd.exe 131 PID 2756 wrote to memory of 396 2756 cmd.exe 131 -
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\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3524 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 25403⤵
- Program crash
PID:2376
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C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.exe"C:\Users\Admin\AppData\Local\Temp\66508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4.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:4364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3324
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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:4128 -
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:4608
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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:3932
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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:2376
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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:5028 -
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:1552
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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:2760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1156
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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:3968
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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:3292
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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: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:2076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3664 -
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:2756 -
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:396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3524 -ip 35241⤵PID:3584
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2284
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
MD515d4e6389f26bf6d2fd1d468df4dc7de
SHA1e234ab8f0db440a49799c5b4b6acc3bba2425b8b
SHA256a32ef80c50e69e44d436d9f0151472de987bf4a8b715b5fb4eb0e2e602ed7e3e
SHA51280a84c9c6c466250818a64e822267f0f223fad707a8a2962caf3524272235c9747f7f3ffd4412c0ee7fe8f3dc668ed3d98d5248ff7f054e3c2a4e585951f105b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f24bd6d620946ad4fb95ca8a64a99d0
SHA17f832cb73c90fb525ee9a2999a79eaa77702c97e
SHA256dc282e1eb9ff432f424f8ed1145f23a8d53a45575b9ead5041d36ffc517b3ed7
SHA5128608b0d89d62da369158c17b3f63700c2f8d8a0df96d50aa6c8f1a546169ddea27adedd5460c28fde35440bfba715424a53f78109d9995c0245b8fc28f05bd48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5015b4200233aca6104974952b5181039
SHA16978619c8cca60725e8d3999fca34b1e0ca451ab
SHA2561865f6a4f78b9caa97c3a726322888d2b087f78fa96825a7c69065e3d1a5ad2e
SHA5126ea1fad0c80d2c24d070f65d4c967abce585cd5fc77249df70dcca1f0451e836baf67314857128e25e0663a61fdad413f9f8899cb981d52237adb537221e1267
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bade83bfa47410ba656639c6522a786
SHA1e741fae20ade8c69569a1be86c787cda59dc0a7a
SHA256187aef904431f39f1c46166e76e8c5c7df0fcd9b315de580af2ad1f188322c5a
SHA5122be6fbde4feb2b168f2dd1a01a0d818bd7e2a998a7c0b31b3b297abfa339933c21b9f6b97759d014925017a97c4310cd6d02343f58cb65a65171c86fea90eefd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50edc0b1f74f72332f249f0d91030f9f3
SHA18ae6166ebc6bd864f048a62c005445070f924080
SHA25659421bd78adc77034b28beb5b7e31a8b887922d8dcb44b83e2cfaa9077d58364
SHA512b2e4bbafd22dec401ab7b9404e738a9232d7145cd8927e16496a611d3455ade8fcbb34933dbd6b9787fce949ce68a401e0606f0b449291603bc818d7bd458a56
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Filesize
4.1MB
MD5cc5fb9db22123f5ddc5414ba087cfab9
SHA140239c9093950eb0465b479b18bf90bc7d460047
SHA25666508168803c80751fb77a54bde171c5e387f64949dcc2849dd337c9b8f40eb4
SHA5127a938890c014ae7735cb0b7780fac16af099c9d1d9a0182d9f5ceb6c852c438813c860d4b7f611c62826d36891b3a6f701e51d8a49f48c7604053d245d3caa5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec