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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe
Resource
win10v2004-20231215-en
General
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Target
046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe
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Size
4.2MB
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MD5
77a31150a6ccc1ed7e58453a12e0de4d
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SHA1
e8607a714ba825bacc331d0929b7bb31149be2e2
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SHA256
046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59
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SHA512
86e96f6492f0b90468b3fee338295a51e384928479c3ffb55dc807658ea421b1284736c3aeb894f3045a794f2c54149f0f2480182b09ccfc77e5d7061dc5b1f3
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SSDEEP
98304:aq77jqY634qYqqku+lyD9j83bmq6chkYsndCeM49l0PC8vwYt3LS/HhJ:ag7jqGqHumyZj83bqlTnjD0P2G3Iv
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1696-2-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/1696-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1696-54-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3264-55-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral1/memory/1696-58-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/3264-59-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3264-155-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-260-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-269-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-270-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-273-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-275-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-277-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-279-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-280-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-283-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-285-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-287-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-289-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/3948-290-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5104 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3948 csrss.exe 4040 injector.exe 1096 windefender.exe 1108 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023240-263.dat upx behavioral1/memory/1096-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1108-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1108-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe File created C:\Windows\rss\csrss.exe 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.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 3328 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3744 1696 WerFault.exe 84 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3568 schtasks.exe 1764 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\22\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.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\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1568 powershell.exe 1568 powershell.exe 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 456 powershell.exe 456 powershell.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 3796 powershell.exe 3796 powershell.exe 3012 powershell.exe 3012 powershell.exe 3364 powershell.exe 3364 powershell.exe 2584 powershell.exe 2584 powershell.exe 2672 powershell.exe 2672 powershell.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 3948 csrss.exe 3948 csrss.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 3948 csrss.exe 3948 csrss.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 3948 csrss.exe 3948 csrss.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Token: SeImpersonatePrivilege 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 3364 powershell.exe Token: SeDebugPrivilege 2584 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeSystemEnvironmentPrivilege 3948 csrss.exe Token: SeSecurityPrivilege 3328 sc.exe Token: SeSecurityPrivilege 3328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1696 wrote to memory of 1568 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 86 PID 1696 wrote to memory of 1568 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 86 PID 1696 wrote to memory of 1568 1696 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 86 PID 3264 wrote to memory of 456 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 94 PID 3264 wrote to memory of 456 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 94 PID 3264 wrote to memory of 456 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 94 PID 3264 wrote to memory of 4776 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 98 PID 3264 wrote to memory of 4776 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 98 PID 4776 wrote to memory of 5104 4776 cmd.exe 101 PID 4776 wrote to memory of 5104 4776 cmd.exe 101 PID 3264 wrote to memory of 3796 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 102 PID 3264 wrote to memory of 3796 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 102 PID 3264 wrote to memory of 3796 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 102 PID 3264 wrote to memory of 3012 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 105 PID 3264 wrote to memory of 3012 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 105 PID 3264 wrote to memory of 3012 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 105 PID 3264 wrote to memory of 3948 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 108 PID 3264 wrote to memory of 3948 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 108 PID 3264 wrote to memory of 3948 3264 046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe 108 PID 3948 wrote to memory of 3364 3948 csrss.exe 109 PID 3948 wrote to memory of 3364 3948 csrss.exe 109 PID 3948 wrote to memory of 3364 3948 csrss.exe 109 PID 3948 wrote to memory of 2584 3948 csrss.exe 115 PID 3948 wrote to memory of 2584 3948 csrss.exe 115 PID 3948 wrote to memory of 2584 3948 csrss.exe 115 PID 3948 wrote to memory of 2672 3948 csrss.exe 117 PID 3948 wrote to memory of 2672 3948 csrss.exe 117 PID 3948 wrote to memory of 2672 3948 csrss.exe 117 PID 3948 wrote to memory of 4040 3948 csrss.exe 119 PID 3948 wrote to memory of 4040 3948 csrss.exe 119 PID 1096 wrote to memory of 1868 1096 windefender.exe 126 PID 1096 wrote to memory of 1868 1096 windefender.exe 126 PID 1096 wrote to memory of 1868 1096 windefender.exe 126 PID 1868 wrote to memory of 3328 1868 cmd.exe 127 PID 1868 wrote to memory of 3328 1868 cmd.exe 127 PID 1868 wrote to memory of 3328 1868 cmd.exe 127 -
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\046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe"C:\Users\Admin\AppData\Local\Temp\046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568
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C:\Users\Admin\AppData\Local\Temp\046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.exe"C:\Users\Admin\AppData\Local\Temp\046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59.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:3264 -
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:456
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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:4776 -
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:5104
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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:3796
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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:3012
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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:3948 -
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:3364
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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:3568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1724
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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:2584
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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:2672
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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:4040
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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:1764
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1096 -
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:1868 -
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:3328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 9082⤵
- Program crash
PID:3744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1696 -ip 16961⤵PID:3376
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1108
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb598dde9e9d8a32f3e68e3ca8887e96
SHA1c288e960f2a53100aaf1af162f6d77daa6bd47f3
SHA2566d83d6855ade0b052b95583efa6335b14edb2d771ba2e59bb371bb89da3b7d91
SHA512600acfcc527c8e8c251bfce1e3c9503ace97ee2f47f5f3646c6f7750f80853ce44e8ed9d4447ed7d5d768b3240cb91caae7e0f532fe8efc9abe06529e40bf557
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e91617f0bb37d2211f89addc0f97008d
SHA1603f4a2d989136e06a7c4b04867ce0a07dfe5a0b
SHA2560ff4546a97c3b58d1c745222b6689f8d2165104693328b2e4ea824fbec112756
SHA512f97526b67c12bb654ca05d9499831fdae22cd0f55df1110816b09dc0c21a8d5c3b89dcec1c9572feab9a595b58a08bd75983fb62e0c6ef3a08fb6fc18adf4ccc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dae9ee121069f3aa1b786409626c6a4e
SHA11172ca47251c473a6a46e1f2ce757bc6d4022b4c
SHA25627e76c5cea3567babcd845803a0cec03435c8c9777ea9ebecb81d0dde6651b74
SHA512b17b00d7603576ecde175a70392b32d970e17774fccadd5e6e7bbca2cdf9c55a7c4f0873a6c317ea6c18efb841919b78e62e85f344e89cac9abb7ae1cb47a4e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b81918380d5a972c0f293a77c3b7684b
SHA1430196a58fc8ee8f9e3d9b923eb4ffd2db9f2fec
SHA25621e4faea445d979a462488804eded617ee7cefe089c9633f68dfd9f716ef80cb
SHA512ef4d9830f2b15221e216989a7bfbe67123f05e21b43628f5cd2473b21e37fca6afc0dcaba475fa93a8824901e5bfe7c49c22123078e4e93ae09948eed2a2f8dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587c78f3ac3143ca7a1131d44c0fc3876
SHA16bfc92c29d523d395fd0741df0d7bea86ff41281
SHA256b701c84ee0255fdc477244af0ba89cb0a5958079087e07f46519b45ff457f816
SHA512e55344e73f00b7bb19be4e7a80d248dc1549e768593f88d2b4f64baf00de06ad573919f83734ddb63e2fde1fce9a3060cecd65953802d373ba0fe494f8f67cdd
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Filesize
4.2MB
MD577a31150a6ccc1ed7e58453a12e0de4d
SHA1e8607a714ba825bacc331d0929b7bb31149be2e2
SHA256046c045dedd8b19fcd73a195279ee98323111868424d06f026a94c54f1d09c59
SHA51286e96f6492f0b90468b3fee338295a51e384928479c3ffb55dc807658ea421b1284736c3aeb894f3045a794f2c54149f0f2480182b09ccfc77e5d7061dc5b1f3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec