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Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 13:46
Static task
static1
General
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Target
8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe
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Size
4.1MB
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MD5
e03b3bdb16bbbf9554932a713cb0ae5e
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SHA1
98f67921f9b9d0f7f033d56ce845bd6620a6d1dc
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SHA256
8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a
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SHA512
8d0340f1d31b2cb16813cba438383e04b0f5681bfb4eac7e45bc846074b33ebb1b42bff52a52e447ff1db9490eb6325c25de8838d7696081cec3deea9a632bb6
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SSDEEP
98304:eEmLLSQW+QOYjLgSJ7qflKjVQn/yrGN30UJmgpG:v5XAS00q/yrG5XfM
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/868-2-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/868-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/868-25-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/868-28-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/868-29-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4680-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/868-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4680-92-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4680-157-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-252-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-290-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 856 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4784 csrss.exe 2692 injector.exe 5004 windefender.exe 3112 windefender.exe 4252 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e86-262.dat upx behavioral1/files/0x0007000000022e86-264.dat upx behavioral1/files/0x0007000000022e86-265.dat upx behavioral1/memory/5004-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022e88-282.dat upx behavioral1/files/0x0007000000022e88-286.dat upx behavioral1/memory/3112-287-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4252-291-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4252-293-0x0000000000400000-0x0000000000C25000-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\"" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.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 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 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 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe File created C:\Windows\rss\csrss.exe 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe File created 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 4212 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 4904 schtasks.exe 3936 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,-435 = "Georgian Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2828 powershell.exe 2828 powershell.exe 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 3380 powershell.exe 3380 powershell.exe 3380 powershell.exe 1616 powershell.exe 1616 powershell.exe 1616 powershell.exe 900 powershell.exe 900 powershell.exe 900 powershell.exe 4480 powershell.exe 4480 powershell.exe 4480 powershell.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 4784 csrss.exe 4784 csrss.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 4784 csrss.exe 4784 csrss.exe 2692 injector.exe 2692 injector.exe 4784 csrss.exe 4784 csrss.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Token: SeImpersonatePrivilege 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 900 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeSystemEnvironmentPrivilege 4784 csrss.exe Token: SeSecurityPrivilege 4212 sc.exe Token: SeSecurityPrivilege 4212 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 868 wrote to memory of 2828 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 92 PID 868 wrote to memory of 2828 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 92 PID 868 wrote to memory of 2828 868 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 92 PID 4680 wrote to memory of 3764 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 102 PID 4680 wrote to memory of 3764 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 102 PID 4680 wrote to memory of 3764 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 102 PID 4680 wrote to memory of 4528 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 105 PID 4680 wrote to memory of 4528 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 105 PID 4528 wrote to memory of 856 4528 cmd.exe 107 PID 4528 wrote to memory of 856 4528 cmd.exe 107 PID 4680 wrote to memory of 1204 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 108 PID 4680 wrote to memory of 1204 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 108 PID 4680 wrote to memory of 1204 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 108 PID 4680 wrote to memory of 3380 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 110 PID 4680 wrote to memory of 3380 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 110 PID 4680 wrote to memory of 3380 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 110 PID 4680 wrote to memory of 4784 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 113 PID 4680 wrote to memory of 4784 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 113 PID 4680 wrote to memory of 4784 4680 8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe 113 PID 4784 wrote to memory of 1616 4784 csrss.exe 114 PID 4784 wrote to memory of 1616 4784 csrss.exe 114 PID 4784 wrote to memory of 1616 4784 csrss.exe 114 PID 4784 wrote to memory of 900 4784 csrss.exe 119 PID 4784 wrote to memory of 900 4784 csrss.exe 119 PID 4784 wrote to memory of 900 4784 csrss.exe 119 PID 4784 wrote to memory of 4480 4784 csrss.exe 122 PID 4784 wrote to memory of 4480 4784 csrss.exe 122 PID 4784 wrote to memory of 4480 4784 csrss.exe 122 PID 4784 wrote to memory of 2692 4784 csrss.exe 124 PID 4784 wrote to memory of 2692 4784 csrss.exe 124 PID 5004 wrote to memory of 3996 5004 windefender.exe 130 PID 5004 wrote to memory of 3996 5004 windefender.exe 130 PID 5004 wrote to memory of 3996 5004 windefender.exe 130 PID 3996 wrote to memory of 4212 3996 cmd.exe 131 PID 3996 wrote to memory of 4212 3996 cmd.exe 131 PID 3996 wrote to memory of 4212 3996 cmd.exe 131 PID 4784 wrote to memory of 4252 4784 csrss.exe 136 PID 4784 wrote to memory of 4252 4784 csrss.exe 136 PID 4784 wrote to memory of 4252 4784 csrss.exe 136 -
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\8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe"C:\Users\Admin\AppData\Local\Temp\8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828
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C:\Users\Admin\AppData\Local\Temp\8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.exe"C:\Users\Admin\AppData\Local\Temp\8c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a.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:4680 -
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:3764
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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:4528 -
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:856
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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:1204
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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:3380
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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:4784 -
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:1616
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3396
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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:900
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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:4480
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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:2692
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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:3936
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5004 -
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:3996 -
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:4212
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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:4252 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:3436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2828
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3112
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c34911abe1735f75397942a1c9aa3a83
SHA1223d15dc356216afb35fd4da58b72ea355185155
SHA256ea97b7d2b886825b4fc3d2a82f5a784f1db53f861f12963608dd7bca6d0ed219
SHA5129533482d6213737de2c6321a5126a2b4ed151b8b09f4021ebc59c3e0d7748d84dcbaf12701575e825e9e82cb3f89d2f7e5ba49eb561cff61272721e5e6126caf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f55479d94cbf1e66b6dd8afb626776cf
SHA19bd24d443f16ad84e1665efb3c76bfe7d7a7d51b
SHA2560550bd2075e96f38325d9f0ab2500838ebf84a45f15f83c0d25d6096bce42191
SHA5126d2cc1a942087bf98d531437798b2b9d68babaab66f5eb4b3b7dbe660e8aa4e02283bd39cb1c5bbeecda92ef7b8e02cfb0553c2d7b99255b5d88d1517fb8ea4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547d70ef1777f7607ddfc6d922d149d41
SHA1632bd7304384cf4e83c8a6dc8cdb6c12972d4024
SHA2568d408ab3532ac3fd1f417c202df30a6e492f089d021a5aee6750b5fe77314394
SHA5129d37a155cb6838314dc33e9a9f9738d1eddf24efddceefc117ca837e79c06ca17f78ab89e8762403dbc9299679297a273ead07b80979392c23eef9ae45e3e7cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5257aaae6e56064347794aac7566ce335
SHA1715473b6f96eeb33affbcf3f2ae327af1483ae52
SHA2568de9877c6e07155e361db9638a930f788a7fcc24ec47cd219c6271d27b6cf167
SHA5128f4439b3367c30597a77af88b85d9f425e125d3b9324cea37624380636ee2234cfc055ae0c1cc0947bb1b6bf894719621c0579307355ddb50bf87fbac1a41207
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1da092269361ee10591daf2de98ded0
SHA1df64f62928a2f4ca904a9f35ffb18319f24eddc3
SHA256ebec0240def5d28997be88240a932f121716f4739c30cb1f11796325c211561a
SHA512d0dfd83768414cfdf4b1c59aec6ed96275516bc5afd47dca79d6b353bd3e197855cbe2b7e3313115040df752319f44fbb0cf1882eb6f312f13e63e4d6524978b
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Filesize
4.1MB
MD5e03b3bdb16bbbf9554932a713cb0ae5e
SHA198f67921f9b9d0f7f033d56ce845bd6620a6d1dc
SHA2568c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a
SHA5128d0340f1d31b2cb16813cba438383e04b0f5681bfb4eac7e45bc846074b33ebb1b42bff52a52e447ff1db9490eb6325c25de8838d7696081cec3deea9a632bb6
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Filesize
4.1MB
MD5e03b3bdb16bbbf9554932a713cb0ae5e
SHA198f67921f9b9d0f7f033d56ce845bd6620a6d1dc
SHA2568c3fbe271a9bfe129dcc1801ab6e201168b16fa1cd99c3507f560d442baf4c4a
SHA5128d0340f1d31b2cb16813cba438383e04b0f5681bfb4eac7e45bc846074b33ebb1b42bff52a52e447ff1db9490eb6325c25de8838d7696081cec3deea9a632bb6
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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