Analysis
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max time kernel
145s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
05/11/2023, 00:01
Static task
static1
General
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Target
26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe
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Size
4.1MB
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MD5
3f6b1f65d79110c8964358ce382b4322
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SHA1
3f159acfcc7cce96e54ef4d2083123bbb3cf3f3b
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SHA256
26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73
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SHA512
f8aa883bf3ebae420622cd27e28cf158b6507bf3c49b21e12742896d1c18a6576e7a91e313281ab885dcdc84dcc42bf4ebd2953b916752a41cd0183c2e6eb932
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SSDEEP
98304:k1K6efzuS4SpoLQ1lHrxNkhC14vXby5SC3zR3LxW+R3:mNefzZ4IoLQ1lHrxWMACR733
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/5056-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/5056-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5056-26-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/5056-49-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1880-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5056-92-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1880-108-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1880-110-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1880-172-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-205-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-258-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-268-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-284-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2392-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4556 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2392 csrss.exe 1864 injector.exe 3856 windefender.exe 388 windefender.exe 2744 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0006000000022fed-262.dat upx behavioral1/files/0x0006000000022fed-264.dat upx behavioral1/files/0x0006000000022fed-266.dat upx behavioral1/memory/3856-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000022fe3-288.dat upx behavioral1/files/0x0008000000022fe3-290.dat upx behavioral1/memory/388-292-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2744-296-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2744-298-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 sc.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 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe File created C:\Windows\rss\csrss.exe 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.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 2648 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2292 schtasks.exe 4924 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5008 powershell.exe 5008 powershell.exe 5008 powershell.exe 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 4052 powershell.exe 4052 powershell.exe 4052 powershell.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 4808 powershell.exe 4808 powershell.exe 4808 powershell.exe 972 powershell.exe 972 powershell.exe 972 powershell.exe 4204 powershell.exe 4204 powershell.exe 4204 powershell.exe 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 2648 sc.exe 2648 sc.exe 2648 sc.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 2392 csrss.exe 2392 csrss.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 2392 csrss.exe 2392 csrss.exe 1864 injector.exe 1864 injector.exe 2392 csrss.exe 2392 csrss.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe 1864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Token: SeImpersonatePrivilege 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 4808 powershell.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 2648 sc.exe Token: SeSystemEnvironmentPrivilege 2392 csrss.exe Token: SeSecurityPrivilege 2648 sc.exe Token: SeSecurityPrivilege 2648 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 5056 wrote to memory of 5008 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 95 PID 5056 wrote to memory of 5008 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 95 PID 5056 wrote to memory of 5008 5056 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 95 PID 1880 wrote to memory of 4052 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 104 PID 1880 wrote to memory of 4052 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 104 PID 1880 wrote to memory of 4052 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 104 PID 1880 wrote to memory of 2276 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 106 PID 1880 wrote to memory of 2276 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 106 PID 2276 wrote to memory of 4556 2276 cmd.exe 108 PID 2276 wrote to memory of 4556 2276 cmd.exe 108 PID 1880 wrote to memory of 4808 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 109 PID 1880 wrote to memory of 4808 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 109 PID 1880 wrote to memory of 4808 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 109 PID 1880 wrote to memory of 972 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 111 PID 1880 wrote to memory of 972 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 111 PID 1880 wrote to memory of 972 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 111 PID 1880 wrote to memory of 2392 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 113 PID 1880 wrote to memory of 2392 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 113 PID 1880 wrote to memory of 2392 1880 26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe 113 PID 2392 wrote to memory of 4204 2392 csrss.exe 115 PID 2392 wrote to memory of 4204 2392 csrss.exe 115 PID 2392 wrote to memory of 4204 2392 csrss.exe 115 PID 2392 wrote to memory of 4660 2392 csrss.exe 121 PID 2392 wrote to memory of 4660 2392 csrss.exe 121 PID 2392 wrote to memory of 4660 2392 csrss.exe 121 PID 2392 wrote to memory of 2648 2392 csrss.exe 133 PID 2392 wrote to memory of 2648 2392 csrss.exe 133 PID 2392 wrote to memory of 2648 2392 csrss.exe 133 PID 2392 wrote to memory of 1864 2392 csrss.exe 126 PID 2392 wrote to memory of 1864 2392 csrss.exe 126 PID 3856 wrote to memory of 4768 3856 windefender.exe 132 PID 3856 wrote to memory of 4768 3856 windefender.exe 132 PID 3856 wrote to memory of 4768 3856 windefender.exe 132 PID 4768 wrote to memory of 2648 4768 cmd.exe 133 PID 4768 wrote to memory of 2648 4768 cmd.exe 133 PID 4768 wrote to memory of 2648 4768 cmd.exe 133 PID 2392 wrote to memory of 2744 2392 csrss.exe 139 PID 2392 wrote to memory of 2744 2392 csrss.exe 139 PID 2392 wrote to memory of 2744 2392 csrss.exe 139 -
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\26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe"C:\Users\Admin\AppData\Local\Temp\26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Users\Admin\AppData\Local\Temp\26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.exe"C:\Users\Admin\AppData\Local\Temp\26a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73.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:1880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4052
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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:2276 -
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:4556
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4808
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972
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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:2392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4204
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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:2292
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:2648
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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:1864
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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:4924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3856 -
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:4768 -
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⤵
- Drops file in System32 directory
- Launches sc.exe
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2744 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2348
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:220
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:388
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528356a5707793712ce513f715b5d6342
SHA1b5ce48efd7f4c9dde46e5c77ca4559efe786b846
SHA2569fbac90ea93870f396d3e6c42b3e6c5981be3f355aeb45938422bcc583a865e0
SHA51219c1782560738327f5ec6f58ec03a18fd7ba43b5fe6329dc8e9426c9c09b1ef51e230be190ec62550661e8a40dbc7205651edb7977a1775926d1cff4639b846f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5488ed62718d7ac57c8ff0919f20aa466
SHA1619464c21cad9065cc790b6f5d06770a2222c64e
SHA25625ec782622fb27f5e3b8cc15e6b2cb89b35297c7bf19a6a8de3ed440446907ed
SHA5124c5fb61ef1b8ea0a53ceee64cc34dc276e5d772f4ff63a4dfaa28ac7aa8b73d73a7ecc8008615edbf27cf08770804b6e494ca51ff00aa8b132687c8106261534
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d4ccf353c1619f68697369a2d24419b
SHA1d2af79f90f1e475f8b571efeeb8b54243ebd495f
SHA256d76bdcb2874927097b416cf7d3b3b7925d145ef87d8af236735664214ef2f635
SHA512cb5ff78743584bb9dc1e8ad20707a67e10aafee9cf6ae78a2ed3c9fb7eeb2b14a06635220fd8f8bca34ec96b054a39599da28b8df1fed6fc8109f1c48f232843
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c632b82a035da500df0063d242fdf6d0
SHA106019c34747a00dc9cc8d2a174989a162d8e413f
SHA256f1eb56456036930960c222b4942de9889304c96cd78f31ebdc54f269bcfeb9e9
SHA512c1dae350c25fa595d69ddd4233712bb39df7232cf0b2ea142fc34e69dcff7c26d982ae46d4a8e4487099856da8efd6b259a331a1858191ac53d92ecda04d5dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccbc25787c1b7bcd5ece842ead2e0449
SHA134002993ab233af3600f237e03e6a25dec308911
SHA2564062196c7f85680845de454373086720308cc179c5a04c21dd4bbf5693c10740
SHA5126799cad367f113a4fb735e84b1576547fa0579b035d8ab67f418a3ec51f439046e386f83f02a00de8637e28154c7b0a3eae7e6fd23e942bb5646b31a935edb0e
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Filesize
4.1MB
MD53f6b1f65d79110c8964358ce382b4322
SHA13f159acfcc7cce96e54ef4d2083123bbb3cf3f3b
SHA25626a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73
SHA512f8aa883bf3ebae420622cd27e28cf158b6507bf3c49b21e12742896d1c18a6576e7a91e313281ab885dcdc84dcc42bf4ebd2953b916752a41cd0183c2e6eb932
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Filesize
4.1MB
MD53f6b1f65d79110c8964358ce382b4322
SHA13f159acfcc7cce96e54ef4d2083123bbb3cf3f3b
SHA25626a8d9ed877fff59e300cb203d737dbcd31987e4d7ac48d8c7c9d26c25b19f73
SHA512f8aa883bf3ebae420622cd27e28cf158b6507bf3c49b21e12742896d1c18a6576e7a91e313281ab885dcdc84dcc42bf4ebd2953b916752a41cd0183c2e6eb932
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec