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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe
Resource
win10v2004-20240508-en
General
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Target
6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe
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Size
4.1MB
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MD5
12fef3038882935472aa531f86e94ab2
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SHA1
35dd8be70fa3bee38cd47257627a7865706ad1f8
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SHA256
6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9
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SHA512
c4922ac46400f386f0da6e1837694d441b6d5e0465b21908714a83ac1f581dbe4f27ddf5dfbb57a5bab7de8d69ad3008beb351df43d00284e9fc4e46822833c1
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SSDEEP
98304:HBdNwdIX1m95GdEY+SdNeV8DIvNeESR+qiVH7IIm3:HeIFcGdrdiVeIFy4rVH0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/896-2-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral2/memory/896-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/896-43-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/896-54-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral2/memory/2180-74-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/896-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2180-123-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-156-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-199-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1096-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5092 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1096 csrss.exe 4780 injector.exe 728 windefender.exe 1876 windefender.exe -
resource yara_rule behavioral2/memory/728-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1c-205.dat upx behavioral2/memory/728-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1876-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe File created C:\Windows\rss\csrss.exe 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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 2192 sc.exe -
pid Process 4280 powershell.exe 4440 powershell.exe 3960 powershell.exe 2512 powershell.exe 3500 powershell.exe 1248 powershell.exe 1844 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4236 2512 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4848 schtasks.exe 4340 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,-71 = "Newfoundland Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian 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,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-1022 = "Bangladesh 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,-2042 = "Eastern Standard Time (Mexico)" 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2512 powershell.exe 2512 powershell.exe 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 3500 powershell.exe 3500 powershell.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 1248 powershell.exe 1248 powershell.exe 1844 powershell.exe 1844 powershell.exe 4280 powershell.exe 4280 powershell.exe 4440 powershell.exe 4440 powershell.exe 3960 powershell.exe 3960 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1096 csrss.exe 1096 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1096 csrss.exe 1096 csrss.exe 4780 injector.exe 4780 injector.exe 1096 csrss.exe 1096 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Token: SeImpersonatePrivilege 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeSystemEnvironmentPrivilege 1096 csrss.exe Token: SeSecurityPrivilege 2192 sc.exe Token: SeSecurityPrivilege 2192 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 896 wrote to memory of 2512 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 83 PID 896 wrote to memory of 2512 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 83 PID 896 wrote to memory of 2512 896 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 83 PID 2180 wrote to memory of 3500 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 91 PID 2180 wrote to memory of 3500 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 91 PID 2180 wrote to memory of 3500 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 91 PID 2180 wrote to memory of 5040 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 93 PID 2180 wrote to memory of 5040 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 93 PID 5040 wrote to memory of 5092 5040 cmd.exe 95 PID 5040 wrote to memory of 5092 5040 cmd.exe 95 PID 2180 wrote to memory of 1248 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 96 PID 2180 wrote to memory of 1248 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 96 PID 2180 wrote to memory of 1248 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 96 PID 2180 wrote to memory of 1844 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 98 PID 2180 wrote to memory of 1844 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 98 PID 2180 wrote to memory of 1844 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 98 PID 2180 wrote to memory of 1096 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 100 PID 2180 wrote to memory of 1096 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 100 PID 2180 wrote to memory of 1096 2180 6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe 100 PID 1096 wrote to memory of 4280 1096 csrss.exe 101 PID 1096 wrote to memory of 4280 1096 csrss.exe 101 PID 1096 wrote to memory of 4280 1096 csrss.exe 101 PID 1096 wrote to memory of 4440 1096 csrss.exe 105 PID 1096 wrote to memory of 4440 1096 csrss.exe 105 PID 1096 wrote to memory of 4440 1096 csrss.exe 105 PID 1096 wrote to memory of 3960 1096 csrss.exe 109 PID 1096 wrote to memory of 3960 1096 csrss.exe 109 PID 1096 wrote to memory of 3960 1096 csrss.exe 109 PID 1096 wrote to memory of 4780 1096 csrss.exe 111 PID 1096 wrote to memory of 4780 1096 csrss.exe 111 PID 728 wrote to memory of 3416 728 windefender.exe 117 PID 728 wrote to memory of 3416 728 windefender.exe 117 PID 728 wrote to memory of 3416 728 windefender.exe 117 PID 3416 wrote to memory of 2192 3416 cmd.exe 118 PID 3416 wrote to memory of 2192 3416 cmd.exe 118 PID 3416 wrote to memory of 2192 3416 cmd.exe 118 -
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\6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe"C:\Users\Admin\AppData\Local\Temp\6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 24763⤵
- Program crash
PID:4236
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C:\Users\Admin\AppData\Local\Temp\6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.exe"C:\Users\Admin\AppData\Local\Temp\6fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9.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:2180 -
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:3500
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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:5040 -
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:5092
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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:1248
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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:1844
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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:1096 -
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:4280
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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:4848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4812
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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:4440
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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:3960
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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:4780
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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:4340
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:728 -
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:3416 -
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:2192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 25121⤵PID:2216
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1876
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a46df8393f611bcfd1092688e6d8bacd
SHA118037a530f268a3d4fa0d3c988d7b40fb03f90f2
SHA2560f27b5625abac564666458426ba376e85ea59ca65be0e8c1d62c0d52ea9a70dd
SHA5129d55365d4324287b324d337c548f33d21c5ccdb3a79ccdf4524960bf55a64e21a6e83850ac20a487d0bf7773ec62a01869fca6ee53f47eba2aae7d4065df4074
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4fda5ea4c8686f5796d35b50061380a
SHA1035d62bf77b140b65f98588df1f7d16ba421da4d
SHA2569157d70530333860220e4db19a8daa9dbcdeb4946bee371b2de9a8b4337dc306
SHA512f7dfed30f2265cb9aa122f6b491706c2b054545d81c3679948e20fa729d1444fe343e3f6a5441751713e05a9e111f004eefda3f48b365431b73fab59753672be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f599e368d5d036ba8ce119425f4d4b06
SHA15ccd48ce732d052a766de27819b4c3670743e772
SHA25624a82597106a01faac70a60cb92cd4d7e999f65ea119e57252ca90ac08ee9482
SHA5125c61bcc246b6d8baf8c565ab2df242151ab9c72c66a696286022c47ad97949c180ea5bcc390a01c9f74753fafeb4b0da1f0a766b7ea940f97759509d8a5d3a46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e18672569d37d81cca6128c23916e5f
SHA183d0119abb31ec4c8cd769cba1f31f57f939777b
SHA256b72eabb19f69162f7d12c83186dbfcd89c01cb5ced3b944d15f4b97ea97ee4f5
SHA51269a604a5bd71f49e0ff6265d9ab8556af58def48dfffb99990834441b7dd78b6c243bdaf0d5a6cc4494ca229c3342f339e0402f17c4016027bf8c49dcb7f2648
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b244c6690168f9c90c210e6bc0a3e5db
SHA19a3543225f7ae017c7b09069ea9ea2bd8861fe22
SHA25634058bca82d10cc5ca4fc5e2006517e21aeae98d19c5b9dc24f68707a3d2ab94
SHA5129952c2c8b922857e2f211cb0467db4b999f63b97bf216efdc26e249e696d1902c49f54f438097f15b7db957bb80ae5fb162486f1ab6fe2cc38c71bd8e436e5c7
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Filesize
4.1MB
MD512fef3038882935472aa531f86e94ab2
SHA135dd8be70fa3bee38cd47257627a7865706ad1f8
SHA2566fbe231039a864174e870791a5ce0bd0d195410c22965574e804f03f3a7d1bb9
SHA512c4922ac46400f386f0da6e1837694d441b6d5e0465b21908714a83ac1f581dbe4f27ddf5dfbb57a5bab7de8d69ad3008beb351df43d00284e9fc4e46822833c1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec