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Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10/05/2024, 07:43
Static task
static1
Behavioral task
behavioral1
Sample
7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe
Resource
win10v2004-20240426-en
General
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Target
7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe
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Size
4.1MB
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MD5
156132cd949387701189365e61fa73f5
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SHA1
295d3067ca170c65d4a4f0bbf40a5f88348c6405
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SHA256
7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd
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SHA512
e185203dc5e3a836fc24b4a5aca0be68918f3a21a17518127f8efcb2b56bccf76d791f92ef95a31e493045c9477979aa5f00b8ee701945eb52b70c91ddf99e2c
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SSDEEP
98304:rjqsTQGviKGkHGOhwTJlFImQGeNAyZoVRvN3H4:isQBKGdTXvQGeEVR1H4
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2396-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/2396-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2396-28-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2396-55-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/2396-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2396-54-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3284-85-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3284-136-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-138-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-220-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-230-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-232-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-234-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-236-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-238-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-240-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-242-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-244-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/3584-246-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5004 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3584 csrss.exe 4136 injector.exe 220 windefender.exe 1596 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002343b-223.dat upx behavioral1/memory/220-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/220-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe File created C:\Windows\rss\csrss.exe 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.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 2396 sc.exe -
pid Process 4044 powershell.exe 4656 powershell.exe 772 powershell.exe 464 powershell.exe 1540 powershell.exe 1252 powershell.exe 652 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1900 2396 WerFault.exe 82 2820 3284 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4416 schtasks.exe 924 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,-2841 = "Saratov Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight 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" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@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,-511 = "Central Asia Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.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" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight 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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.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,-502 = "Nepal Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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,-352 = "FLE Standard Time" 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1540 powershell.exe 1540 powershell.exe 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 1252 powershell.exe 1252 powershell.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 652 powershell.exe 652 powershell.exe 4044 powershell.exe 4044 powershell.exe 4656 powershell.exe 4656 powershell.exe 772 powershell.exe 772 powershell.exe 464 powershell.exe 464 powershell.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 3584 csrss.exe 3584 csrss.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 3584 csrss.exe 3584 csrss.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 3584 csrss.exe 3584 csrss.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1540 powershell.exe Token: SeDebugPrivilege 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Token: SeImpersonatePrivilege 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe Token: SeDebugPrivilege 1252 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeSystemEnvironmentPrivilege 3584 csrss.exe Token: SeSecurityPrivilege 2396 sc.exe Token: SeSecurityPrivilege 2396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2396 wrote to memory of 1540 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 93 PID 2396 wrote to memory of 1540 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 93 PID 2396 wrote to memory of 1540 2396 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 93 PID 3284 wrote to memory of 1252 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 102 PID 3284 wrote to memory of 1252 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 102 PID 3284 wrote to memory of 1252 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 102 PID 3284 wrote to memory of 4052 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 104 PID 3284 wrote to memory of 4052 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 104 PID 4052 wrote to memory of 5004 4052 cmd.exe 106 PID 4052 wrote to memory of 5004 4052 cmd.exe 106 PID 3284 wrote to memory of 652 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 107 PID 3284 wrote to memory of 652 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 107 PID 3284 wrote to memory of 652 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 107 PID 3284 wrote to memory of 4044 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 109 PID 3284 wrote to memory of 4044 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 109 PID 3284 wrote to memory of 4044 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 109 PID 3284 wrote to memory of 3584 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 111 PID 3284 wrote to memory of 3584 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 111 PID 3284 wrote to memory of 3584 3284 7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe 111 PID 3584 wrote to memory of 4656 3584 csrss.exe 116 PID 3584 wrote to memory of 4656 3584 csrss.exe 116 PID 3584 wrote to memory of 4656 3584 csrss.exe 116 PID 3584 wrote to memory of 772 3584 csrss.exe 122 PID 3584 wrote to memory of 772 3584 csrss.exe 122 PID 3584 wrote to memory of 772 3584 csrss.exe 122 PID 3584 wrote to memory of 464 3584 csrss.exe 124 PID 3584 wrote to memory of 464 3584 csrss.exe 124 PID 3584 wrote to memory of 464 3584 csrss.exe 124 PID 3584 wrote to memory of 4136 3584 csrss.exe 126 PID 3584 wrote to memory of 4136 3584 csrss.exe 126 PID 220 wrote to memory of 4188 220 windefender.exe 132 PID 220 wrote to memory of 4188 220 windefender.exe 132 PID 220 wrote to memory of 4188 220 windefender.exe 132 PID 4188 wrote to memory of 2396 4188 cmd.exe 133 PID 4188 wrote to memory of 2396 4188 cmd.exe 133 PID 4188 wrote to memory of 2396 4188 cmd.exe 133 -
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\7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe"C:\Users\Admin\AppData\Local\Temp\7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
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C:\Users\Admin\AppData\Local\Temp\7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.exe"C:\Users\Admin\AppData\Local\Temp\7a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd.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:3284 -
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:1252
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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:4052 -
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:5004
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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:652
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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:4044
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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:3584 -
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:4656
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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:4416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4920
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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:772
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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:464
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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:4136
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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:924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:220 -
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:4188 -
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:2396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 8603⤵
- Program crash
PID:2820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 8882⤵
- Program crash
PID:1900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2396 -ip 23961⤵PID:1692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3284 -ip 32841⤵PID:1128
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1596
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
MD503471b139276b9c2d4f3ecf10dcd5d39
SHA167ab48131c909e1a4b7768ade5314a299510ca42
SHA256222d93101b19750b3a11858d04c1a51909634e85e18c09dbd983fc56eac0d46f
SHA5121533348dc4ad8529ed8c68aa8c88326dbedcd91b41c5fcdbd286e26095e63fde99d7a4098719e34add05dd7a1acbf1268d76a15e980065eca2b5c8092640e276
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acd461c58c69893b5ae654847d1fc986
SHA195c1026c5d1ab42685ea293c93dcc07fe2a6be10
SHA256452f3253205b4437366d2e0a1efcafd17bc719fcbc9aa1c6d2efb6d25230ed2d
SHA512b4a28f43dbf0a5912ad0cba5d72a7b8c3ae16bb68355e0e95203cc5cbfb4ae98682d3ec81ee3eb03d351f932564344ef2517f3a37933c4d591a5324dfc3820b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ea28c451da90fe9471dcbe5832f2128
SHA17e7ae9ea0df7b903d92e88e38763e6eecd984514
SHA256d35b1e38ba487db0c3efe2abebe8eafb48a233246966c7e72c45978a5405d078
SHA51230aa0743f9b0affa2e9efc6d3f86081de4918a030276359efdba45405ebe413a6eaab2a181b6fcf313c6ef99cbbf5f5b3c87f7d26cc50576752298e768a6212f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f8acf6f1b36f04a181b71fa10cd5cff
SHA1ae52eec1cebf8d1e679737e6f158ba990b0259a8
SHA256631fee4bd565c30461a50889bfacda992a832c97fb5708297a5200f3efc4b3f6
SHA5125c3eb8c0fa5254bab302481e2800accba57402b1f8b76d2cbea11bb20a445b07618eda93431e5ab63f6e2f45adee587fd14b18f357f7cb41f636d2ea2cb78215
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cec140405e8d0a7c5b298e611d03ba16
SHA13d8f0ec933b29b939461a35d921b4d86348a7691
SHA2569c0b79cc4e65c105b5a71847e93263780ada434350ac20c6f480e64e487ba97d
SHA512bbd72a335fbc19d05fefb56f9b87df6e7b064b97094ae3cfb1f3bad904dabf16aa1b0453f6fdd985217b2f29c48ec5f70e1de88bfabb7122b1bf3c4496c0f8cc
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Filesize
4.1MB
MD5156132cd949387701189365e61fa73f5
SHA1295d3067ca170c65d4a4f0bbf40a5f88348c6405
SHA2567a0075c8be4a36071ddf24b8c1abb9f8e49e3d6c39f858b952c74845901a1bbd
SHA512e185203dc5e3a836fc24b4a5aca0be68918f3a21a17518127f8efcb2b56bccf76d791f92ef95a31e493045c9477979aa5f00b8ee701945eb52b70c91ddf99e2c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec