Analysis
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max time kernel
149s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:15
Static task
static1
Behavioral task
behavioral1
Sample
5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe
Resource
win10v2004-20240508-en
General
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Target
5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe
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Size
4.1MB
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MD5
fbd7181a889259e720e2d938b5d4d1ba
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SHA1
c2a4c02abad0ad2814ddbf461d2215335fd2fdfb
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SHA256
5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41
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SHA512
44b9ddec05e219cfb00ef4488eed58260900ddd53b1bf591326130164cc943b56da01282b2499df3f71315e8087650cf666c17e860235f2c400648ccc46da283
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SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJ6:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJ6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4036-2-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/4036-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4036-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4036-57-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/4036-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-108-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-113-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-191-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-198-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-209-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4952-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2904 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4952 csrss.exe 1616 injector.exe 4056 windefender.exe 1912 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023442-201.dat upx behavioral1/memory/4056-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4056-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 6 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 -
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 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe File created C:\Windows\rss\csrss.exe 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.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 4060 sc.exe -
pid Process 1796 powershell.exe 1696 powershell.exe 636 powershell.exe 1832 powershell.exe 4664 powershell.exe 1980 powershell.exe 2892 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 3488 schtasks.exe 1564 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,-542 = "Myanmar Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight 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\@tzres.dll,-572 = "China Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-401 = "Arabic Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2892 powershell.exe 2892 powershell.exe 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 1796 powershell.exe 1796 powershell.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 636 powershell.exe 636 powershell.exe 1832 powershell.exe 1832 powershell.exe 4664 powershell.exe 4664 powershell.exe 1980 powershell.exe 1980 powershell.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4952 csrss.exe 4952 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 4952 csrss.exe 4952 csrss.exe 1616 injector.exe 1616 injector.exe 4952 csrss.exe 4952 csrss.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe 1616 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Token: SeImpersonatePrivilege 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe Token: SeDebugPrivilege 1796 powershell.exe Token: SeDebugPrivilege 636 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 1980 powershell.exe Token: SeSystemEnvironmentPrivilege 4952 csrss.exe Token: SeSecurityPrivilege 4060 sc.exe Token: SeSecurityPrivilege 4060 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4036 wrote to memory of 2892 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 85 PID 4036 wrote to memory of 2892 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 85 PID 4036 wrote to memory of 2892 4036 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 85 PID 2324 wrote to memory of 1796 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 98 PID 2324 wrote to memory of 1796 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 98 PID 2324 wrote to memory of 1796 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 98 PID 2324 wrote to memory of 4452 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 101 PID 2324 wrote to memory of 4452 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 101 PID 4452 wrote to memory of 2904 4452 cmd.exe 103 PID 4452 wrote to memory of 2904 4452 cmd.exe 103 PID 2324 wrote to memory of 1696 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 104 PID 2324 wrote to memory of 1696 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 104 PID 2324 wrote to memory of 1696 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 104 PID 2324 wrote to memory of 636 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 107 PID 2324 wrote to memory of 636 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 107 PID 2324 wrote to memory of 636 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 107 PID 2324 wrote to memory of 4952 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 109 PID 2324 wrote to memory of 4952 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 109 PID 2324 wrote to memory of 4952 2324 5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe 109 PID 4952 wrote to memory of 1832 4952 csrss.exe 110 PID 4952 wrote to memory of 1832 4952 csrss.exe 110 PID 4952 wrote to memory of 1832 4952 csrss.exe 110 PID 4952 wrote to memory of 4664 4952 csrss.exe 116 PID 4952 wrote to memory of 4664 4952 csrss.exe 116 PID 4952 wrote to memory of 4664 4952 csrss.exe 116 PID 4952 wrote to memory of 1980 4952 csrss.exe 118 PID 4952 wrote to memory of 1980 4952 csrss.exe 118 PID 4952 wrote to memory of 1980 4952 csrss.exe 118 PID 4952 wrote to memory of 1616 4952 csrss.exe 121 PID 4952 wrote to memory of 1616 4952 csrss.exe 121 PID 4056 wrote to memory of 960 4056 windefender.exe 128 PID 4056 wrote to memory of 960 4056 windefender.exe 128 PID 4056 wrote to memory of 960 4056 windefender.exe 128 PID 960 wrote to memory of 4060 960 cmd.exe 129 PID 960 wrote to memory of 4060 960 cmd.exe 129 PID 960 wrote to memory of 4060 960 cmd.exe 129 -
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\5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe"C:\Users\Admin\AppData\Local\Temp\5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892
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C:\Users\Admin\AppData\Local\Temp\5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.exe"C:\Users\Admin\AppData\Local\Temp\5dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41.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:2324 -
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:1796
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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:4452 -
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:2904
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:1696
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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:636
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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:4952 -
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:1832
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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:3488
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:228
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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:4664
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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:1980
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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:1616
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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:1564
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4056 -
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:960 -
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:4060
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1912
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
MD529ca14d3fb35414eb32f8d51a80acfeb
SHA11f6f678489ad9272b31491bc0ecf4bd5451ec515
SHA2565f7310685a2c5a1dac3b9cf782f9cb17ad4379675c5c52ebc6aa51d55be2af6f
SHA512ca8d9bd62879f4a7a7897dc0629935c2b8160d949b21e59bb7f5d75f22944ef27659200121feec47c0386fc219ed82fde2ae1d02a63d456ef68e0a62c5b95269
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d10a525f6a50fb24c427cfc1df840161
SHA1b903eff300e591e50f347f65a34571d067cfcf52
SHA25651f1ae57d9eb06972f5840cf48fc26690af4015469af78000b706a1bf2e970cf
SHA512965846579dc4966cf05f1690d7c77b1e7918353b9a6d41d289c6df76fcd3f685e32e7918588f79d7b5e33c05fcaa9a11cc5228f6843d290e9cad2776024a4f3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f3df6be658d799eb94e274503787859
SHA1488952bc84d85aea3247bcd78abf7273513350aa
SHA2568c77599c96395eceefa161cf3efcf7dd2be101ee3c62779e8b735f886ff2173e
SHA512f1767313d3e6666c80f9f887ec5f9e11f697a516df329c478a633c2bbb073f1ac839c703abc30cb46d255af8250aa79b96462770f0acc9cd793d67829dbf07f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583d3421b8899379fb76a7b1aa882785b
SHA1a1d933aef14c992845f87733b7045bf3bc71ead3
SHA2561746ee6cf655640ed029bf783416548f510ffe335ea7ceb4db8f55f78404b9a1
SHA5129ff96742f5a1f6e2b216978efd197a7d8b500ef98612493f3f70d06b812dd435b59a33f79c151241f501a6565bee76ce3d8673847dd260e5606f397fa352bdff
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Filesize
4.1MB
MD5fbd7181a889259e720e2d938b5d4d1ba
SHA1c2a4c02abad0ad2814ddbf461d2215335fd2fdfb
SHA2565dcff5823af6d524f7de7cd6c9cb0444ee3b307beeceeb2086a8d1153de8bc41
SHA51244b9ddec05e219cfb00ef4488eed58260900ddd53b1bf591326130164cc943b56da01282b2499df3f71315e8087650cf666c17e860235f2c400648ccc46da283
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec