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Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 05:32
Static task
static1
General
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Target
27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe
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Size
4.1MB
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MD5
50b82e0d572695aaa4a8840ed0d6dc12
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SHA1
d96c5defbb2180f2caca6f73ee7b8cd2e5ec5f73
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SHA256
27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63
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SHA512
b3f5d6436efce336a623c7e958f8a25772b056c7238e5ba961cad21572bbe6d4598923d9772f8e649bf3da6b1e4645df69481139ead8c4de36e9e85c3d925961
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SSDEEP
98304:jPtQKEW0sbhCPI4FZlUKBfwOa4sfhQTnCR46+:oWn4vhBYD4sfhQ+R6
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3548-2-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral1/memory/3548-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3548-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3548-27-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral1/memory/3548-32-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1276-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3548-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1276-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1276-140-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1276-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-224-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-261-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-286-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4676-298-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3228 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4676 csrss.exe 2484 injector.exe 2212 windefender.exe 4640 windefender.exe 1932 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022d87-264.dat upx behavioral1/files/0x0007000000022d87-266.dat upx behavioral1/files/0x0007000000022d87-267.dat upx behavioral1/memory/2212-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4640-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4640-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022d88-293.dat upx behavioral1/files/0x0007000000022d88-296.dat upx behavioral1/memory/4640-297-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1932-300-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/1932-302-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\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 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 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 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe File created C:\Windows\rss\csrss.exe 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1788 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 1644 schtasks.exe 4728 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,-1932 = "Russia TZ 11 Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-241 = "Samoa 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" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2871 = "Magallanes 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 756 powershell.exe 756 powershell.exe 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 3544 powershell.exe 3544 powershell.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 3560 powershell.exe 3560 powershell.exe 1728 powershell.exe 1728 powershell.exe 2316 powershell.exe 2316 powershell.exe 2860 powershell.exe 2860 powershell.exe 4628 powershell.exe 4628 powershell.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 4676 csrss.exe 4676 csrss.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 4676 csrss.exe 4676 csrss.exe 2484 injector.exe 2484 injector.exe 4676 csrss.exe 4676 csrss.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 756 powershell.exe Token: SeDebugPrivilege 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Token: SeImpersonatePrivilege 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 3560 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeSystemEnvironmentPrivilege 4676 csrss.exe Token: SeSecurityPrivilege 1788 sc.exe Token: SeSecurityPrivilege 1788 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3548 wrote to memory of 756 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 87 PID 3548 wrote to memory of 756 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 87 PID 3548 wrote to memory of 756 3548 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 87 PID 1276 wrote to memory of 3544 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 92 PID 1276 wrote to memory of 3544 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 92 PID 1276 wrote to memory of 3544 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 92 PID 1276 wrote to memory of 4644 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 95 PID 1276 wrote to memory of 4644 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 95 PID 4644 wrote to memory of 3228 4644 cmd.exe 97 PID 4644 wrote to memory of 3228 4644 cmd.exe 97 PID 1276 wrote to memory of 3560 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 98 PID 1276 wrote to memory of 3560 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 98 PID 1276 wrote to memory of 3560 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 98 PID 1276 wrote to memory of 1728 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 100 PID 1276 wrote to memory of 1728 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 100 PID 1276 wrote to memory of 1728 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 100 PID 1276 wrote to memory of 4676 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 102 PID 1276 wrote to memory of 4676 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 102 PID 1276 wrote to memory of 4676 1276 27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe 102 PID 4676 wrote to memory of 2316 4676 csrss.exe 104 PID 4676 wrote to memory of 2316 4676 csrss.exe 104 PID 4676 wrote to memory of 2316 4676 csrss.exe 104 PID 4676 wrote to memory of 2860 4676 csrss.exe 110 PID 4676 wrote to memory of 2860 4676 csrss.exe 110 PID 4676 wrote to memory of 2860 4676 csrss.exe 110 PID 4676 wrote to memory of 4628 4676 csrss.exe 112 PID 4676 wrote to memory of 4628 4676 csrss.exe 112 PID 4676 wrote to memory of 4628 4676 csrss.exe 112 PID 4676 wrote to memory of 2484 4676 csrss.exe 114 PID 4676 wrote to memory of 2484 4676 csrss.exe 114 PID 2212 wrote to memory of 4288 2212 windefender.exe 120 PID 2212 wrote to memory of 4288 2212 windefender.exe 120 PID 2212 wrote to memory of 4288 2212 windefender.exe 120 PID 4288 wrote to memory of 1788 4288 cmd.exe 121 PID 4288 wrote to memory of 1788 4288 cmd.exe 121 PID 4288 wrote to memory of 1788 4288 cmd.exe 121 PID 4676 wrote to memory of 1932 4676 csrss.exe 124 PID 4676 wrote to memory of 1932 4676 csrss.exe 124 PID 4676 wrote to memory of 1932 4676 csrss.exe 124 -
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\27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe"C:\Users\Admin\AppData\Local\Temp\27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:756
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C:\Users\Admin\AppData\Local\Temp\27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.exe"C:\Users\Admin\AppData\Local\Temp\27049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63.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:1276 -
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:3544
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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:4644 -
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:3228
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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:3560
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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:1728
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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:4676 -
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:2316
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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:1644
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1952
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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:2860
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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:4628
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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:2484
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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:4728
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212 -
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:4288 -
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:1788
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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:1932 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:3512
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4640
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
MD591ed5177ae86e54951807f6264045856
SHA14d5d02659315d2544ea534857ebb710bf04d4ca2
SHA256c1f8d577de65e0e0a267a165ccd2431dafd3b77469264c1460d1c6924033aa0e
SHA5123792ec50f8715bedb1f0ee753e39116077e8bacd04c00607a7ec8d7f6fcad5a47e07e7ef64a9e07be059004db4444b5669a7a190fe986de318a8c79b93119f4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d8340caa61620362bb2f4cf134b95d6
SHA11c3887416f7a481887727c70b9a5568ef7747dd9
SHA256876f9f0f3c4cc01237be49f07c017398eb991aeebd9fa0cc9cb592b43c8ed89c
SHA512afb89317b3a9821153d1054a46cbbee32475f314048eeab1ef216a16af2693360a16ada001d45b9fde17e2388fd702976cefb9079a80b2e47f4ae5fabe50ad76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5423ac7511349fb3af2f170694383e22e
SHA18f1ae4166566b0da748ccfcb32cfbcda4204e7e3
SHA256ff61252f1c72afc78848d4b3b22155317c69e9f629892ac49145366f529a711c
SHA51245c15fde2019dd7e0d8d10b397b1504f7fab7a0279492b3e21d5ce4c369fc6f5ade2a837b96f0eb1fa0e43d26bd441621ea4898efc8b37ddbb4cbeefae58f62a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59af37d4b4701e9344f8ed473f2def14f
SHA13bce3beb29be220c45fc273c13a725106fc2c9f2
SHA256d5738351c6d9a5d03313a7d1dfcc0f2b448e0e3ed82db2f44fe93175e82b2f35
SHA5126e0414ea10e0dcdf9728492bc5fcb06ec5a4995e5f89d6c7ca3acd97c6d96ba9f34640d557b2ab89cd3098c606f7afa1c3992dc6518a390caca6b504bf0f60aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595f1b469a69cba0057948e9d29d147c0
SHA1c96b5a07201eef45e6e7bf8c863fa0aef00ac5c6
SHA25669b8ce6f63d0f8b103bc2cb50aa75279f06ff6a4bef72ab530d6bde36e8a6e1e
SHA512be2faeb8fa02d37179d115d831486f4c20ca69f981fa23e9f25eaad8d6d0290ff501976298674fed8e8c3cc013e9b4d6bc9c12fc8b3586a3223b0861f7257633
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Filesize
4.1MB
MD550b82e0d572695aaa4a8840ed0d6dc12
SHA1d96c5defbb2180f2caca6f73ee7b8cd2e5ec5f73
SHA25627049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63
SHA512b3f5d6436efce336a623c7e958f8a25772b056c7238e5ba961cad21572bbe6d4598923d9772f8e649bf3da6b1e4645df69481139ead8c4de36e9e85c3d925961
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Filesize
4.1MB
MD550b82e0d572695aaa4a8840ed0d6dc12
SHA1d96c5defbb2180f2caca6f73ee7b8cd2e5ec5f73
SHA25627049f9241b4bd906c3002e418e492203048db4f7abfcab04b0e32e495edfd63
SHA512b3f5d6436efce336a623c7e958f8a25772b056c7238e5ba961cad21572bbe6d4598923d9772f8e649bf3da6b1e4645df69481139ead8c4de36e9e85c3d925961
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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