Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 05:02
Static task
static1
Behavioral task
behavioral1
Sample
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe
Resource
win10v2004-20240419-en
General
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Target
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe
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Size
4.1MB
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MD5
3fff1709ab827188d41245553490b5ef
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SHA1
0231ae95110919343a92b9ba41cb2605145def50
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SHA256
55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f
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SHA512
a0c9af6e60e7605fa2f7e70b2e3434cc4241d9e44c8b3918dfcf4bd82aa824f2056ad01475872811ab15145457abfb23298d661cde60424877bf2d8a99d5dd60
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SSDEEP
98304:RbZcLP9l1tcJhxzLhmFHqqdwhWdOAMupoiBwFqp0C:zCIbxJm/ihWwOZUqGC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2864-2-0x0000000003E70000-0x000000000475B000-memory.dmp family_glupteba behavioral1/memory/2864-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2864-92-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/2864-156-0x0000000003E70000-0x000000000475B000-memory.dmp family_glupteba behavioral1/memory/2680-155-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/2864-184-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3004-216-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-227-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-229-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-233-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-237-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-243-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-245-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-249-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-253-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-259-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-261-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-265-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba behavioral1/memory/3004-269-0x0000000000400000-0x0000000001DF0000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4040 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3004 csrss.exe 2060 injector.exe 4256 windefender.exe 3684 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023ba4-220.dat upx behavioral1/memory/4256-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3684-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4256-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3684-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3684-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1072 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 4428 schtasks.exe 2284 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,-201 = "US Mountain Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.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\2a\52C64B7E\@tzres.dll,-142 = "Canada Central 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\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-161 = "Central Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2320 powershell.exe 2320 powershell.exe 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 1112 powershell.exe 1112 powershell.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 4736 powershell.exe 4736 powershell.exe 4312 powershell.exe 4312 powershell.exe 4312 powershell.exe 1088 powershell.exe 1088 powershell.exe 4496 powershell.exe 4496 powershell.exe 4496 powershell.exe 3564 powershell.exe 3564 powershell.exe 3564 powershell.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 3004 csrss.exe 3004 csrss.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 3004 csrss.exe 3004 csrss.exe 2060 injector.exe 2060 injector.exe 3004 csrss.exe 3004 csrss.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2320 powershell.exe Token: SeDebugPrivilege 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Token: SeImpersonatePrivilege 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeSystemEnvironmentPrivilege 3004 csrss.exe Token: SeSecurityPrivilege 1072 sc.exe Token: SeSecurityPrivilege 1072 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2864 wrote to memory of 2320 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 89 PID 2864 wrote to memory of 2320 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 89 PID 2864 wrote to memory of 2320 2864 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 89 PID 2680 wrote to memory of 1112 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 97 PID 2680 wrote to memory of 1112 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 97 PID 2680 wrote to memory of 1112 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 97 PID 2680 wrote to memory of 3784 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 100 PID 2680 wrote to memory of 3784 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 100 PID 3784 wrote to memory of 4040 3784 cmd.exe 102 PID 3784 wrote to memory of 4040 3784 cmd.exe 102 PID 2680 wrote to memory of 4736 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 103 PID 2680 wrote to memory of 4736 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 103 PID 2680 wrote to memory of 4736 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 103 PID 2680 wrote to memory of 4312 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 106 PID 2680 wrote to memory of 4312 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 106 PID 2680 wrote to memory of 4312 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 106 PID 2680 wrote to memory of 3004 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 108 PID 2680 wrote to memory of 3004 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 108 PID 2680 wrote to memory of 3004 2680 55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe 108 PID 3004 wrote to memory of 1088 3004 csrss.exe 109 PID 3004 wrote to memory of 1088 3004 csrss.exe 109 PID 3004 wrote to memory of 1088 3004 csrss.exe 109 PID 3004 wrote to memory of 4496 3004 csrss.exe 114 PID 3004 wrote to memory of 4496 3004 csrss.exe 114 PID 3004 wrote to memory of 4496 3004 csrss.exe 114 PID 3004 wrote to memory of 3564 3004 csrss.exe 117 PID 3004 wrote to memory of 3564 3004 csrss.exe 117 PID 3004 wrote to memory of 3564 3004 csrss.exe 117 PID 3004 wrote to memory of 2060 3004 csrss.exe 119 PID 3004 wrote to memory of 2060 3004 csrss.exe 119 PID 4256 wrote to memory of 708 4256 windefender.exe 126 PID 4256 wrote to memory of 708 4256 windefender.exe 126 PID 4256 wrote to memory of 708 4256 windefender.exe 126 PID 708 wrote to memory of 1072 708 cmd.exe 127 PID 708 wrote to memory of 1072 708 cmd.exe 127 PID 708 wrote to memory of 1072 708 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\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2320
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C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.exe"C:\Users\Admin\AppData\Local\Temp\55e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f.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:2680 -
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:1112
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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:3784 -
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:4040
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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:4736
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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:4312
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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:3004 -
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:1088
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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:4428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4968
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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:4496
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564
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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:2060
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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:2284
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4256 -
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:708 -
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:1072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3684
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab8e09bc1205bb5ad0f9139359cdc756
SHA1f5e65df3777e22d63824234edcf20c9c9a5f1bbf
SHA256450b7d4d895ee437bf264d26ba4c3879b1fcf7878d566d0373f2e2cef183f07a
SHA512a1cd2c2946a7411404f10fd71cfc5f0dfe7d83e2eb7faa5c1cbaabf634511b0bfa1ee2c99b04fbb3f59ac8bc689efe011b7ece78358f107774b02b1a5d6a0290
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a5cb6f9de7d0bc785f0c28863829e8e
SHA1c76fa935e1d57bf3081badfbcd642062902fa11e
SHA25610aa6066e93cf62d390553a4c2a4019b891d6acc3c7beef29e29073838802019
SHA51268f50bf14a906ae659b8ceb8bde8872c7328756941f7d66a74dd9c68e6aeb1dbe4b5006e43ac08a33be75cebd0e56f62e7191ac3fb54883f7df8be9dc8deaf0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59688173fc9398751ab5b4c86d0c87678
SHA17f97a346be66ae85f227259230a65e1d9a4c84e5
SHA2563946d5a95775c68f0c53d6f0a0120fad064da558155700ca8f0b9067f03c8cb3
SHA5122929bc0633972a0993e8bcfbd82e21db570020ed192d60e3ace12ad68add61943c0a25f467c44e365a8b462cb84b92cbcdecfe7c9d58957931b017a582b526a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5252e0143c7b7ddea33eec8b25d016ca4
SHA12f824e23000e41f0a2b47d197a392721d05b0993
SHA256105f138fea78881085542fdd21f5bc5fe9305d896861e624173d391a006e4a90
SHA51288252221e24bd17fbf8eca3e15df855994ef53dbbefb60f4f15233e949387be134e4b88c0419e440383aa4a801eceffdb1fde8e84a6e335184e1a152ece17268
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1d46a015d7ddc9cc7f7a0ad8e398f36
SHA107cd7a7d7f27f74ac41f2b077605584f73385260
SHA2564adcde0ec24bf65c3afac6b4952f5956086330c13f96ea1b0f8502a1203956ad
SHA5127f0464fd3b775df10e36071b372810a5de1b17df52235bef4250a0148bd6dff9b797a0f980544ad091629afaf03bc8e6f11360e670115169fedb6a52ad29278d
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Filesize
4.1MB
MD53fff1709ab827188d41245553490b5ef
SHA10231ae95110919343a92b9ba41cb2605145def50
SHA25655e0c0b7b9d03c3036cac1e647aab2d869ca526851b49cebf4dcd5fe11034f5f
SHA512a0c9af6e60e7605fa2f7e70b2e3434cc4241d9e44c8b3918dfcf4bd82aa824f2056ad01475872811ab15145457abfb23298d661cde60424877bf2d8a99d5dd60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec