Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 00:08
Static task
static1
General
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Target
174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe
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Size
4.1MB
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MD5
0ef990d940ed41c55b14e24e5b65ca74
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SHA1
4ed089b4cf3664b4e6d2138db3eaf3456e26d210
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SHA256
174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1
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SHA512
83778994fe85b202f8ba20e66da4ad2d0c98c084dd31d9210f5a5bce4e2980c36129379121745245e8f03d536f2400a040906237e586e27a02ec76cf158fa46a
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SSDEEP
98304:EamsPbfgeODcUDk3hEhne5DAyoXex99ubQtvFQG396pdFlaaot:EIs9DmGhgDAQD9ustvFB6/FAa+
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4740-2-0x00000000053F0000-0x0000000005CDB000-memory.dmp family_glupteba behavioral1/memory/4740-3-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4740-9-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4740-27-0x00000000053F0000-0x0000000005CDB000-memory.dmp family_glupteba behavioral1/memory/4740-32-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4740-53-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4740-62-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/2944-64-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/2944-78-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/2944-100-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/2944-116-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/2944-165-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-199-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-266-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-268-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-269-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-277-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-279-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-281-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-283-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4184-285-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4444 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4184 csrss.exe 1792 injector.exe 3904 windefender.exe 5052 windefender.exe -
resource yara_rule behavioral1/files/0x0013000000023201-272.dat upx behavioral1/files/0x0013000000023201-273.dat upx behavioral1/files/0x0013000000023201-275.dat upx behavioral1/memory/3904-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5052-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5052-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\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 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe File created C:\Windows\rss\csrss.exe 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.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 2576 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4768 4740 WerFault.exe 83 4904 2944 WerFault.exe 100 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3492 schtasks.exe 868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1e\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1156 powershell.exe 1156 powershell.exe 1156 powershell.exe 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 5088 powershell.exe 5088 powershell.exe 5088 powershell.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 5072 powershell.exe 5072 powershell.exe 5072 powershell.exe 3144 powershell.exe 3144 powershell.exe 3144 powershell.exe 3372 powershell.exe 3372 powershell.exe 4740 powershell.exe 4740 powershell.exe 4740 powershell.exe 1548 powershell.exe 1548 powershell.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 4184 csrss.exe 4184 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 4184 csrss.exe 4184 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Token: SeImpersonatePrivilege 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeSystemEnvironmentPrivilege 4184 csrss.exe Token: SeSecurityPrivilege 2576 sc.exe Token: SeSecurityPrivilege 2576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4740 wrote to memory of 1156 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 92 PID 4740 wrote to memory of 1156 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 92 PID 4740 wrote to memory of 1156 4740 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 92 PID 2944 wrote to memory of 5088 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 105 PID 2944 wrote to memory of 5088 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 105 PID 2944 wrote to memory of 5088 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 105 PID 2944 wrote to memory of 4528 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 108 PID 2944 wrote to memory of 4528 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 108 PID 4528 wrote to memory of 4444 4528 cmd.exe 109 PID 4528 wrote to memory of 4444 4528 cmd.exe 109 PID 2944 wrote to memory of 5072 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 110 PID 2944 wrote to memory of 5072 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 110 PID 2944 wrote to memory of 5072 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 110 PID 2944 wrote to memory of 3144 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 112 PID 2944 wrote to memory of 3144 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 112 PID 2944 wrote to memory of 3144 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 112 PID 2944 wrote to memory of 4184 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 114 PID 2944 wrote to memory of 4184 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 114 PID 2944 wrote to memory of 4184 2944 174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe 114 PID 4184 wrote to memory of 3372 4184 csrss.exe 117 PID 4184 wrote to memory of 3372 4184 csrss.exe 117 PID 4184 wrote to memory of 3372 4184 csrss.exe 117 PID 4184 wrote to memory of 4740 4184 csrss.exe 123 PID 4184 wrote to memory of 4740 4184 csrss.exe 123 PID 4184 wrote to memory of 4740 4184 csrss.exe 123 PID 4184 wrote to memory of 1548 4184 csrss.exe 125 PID 4184 wrote to memory of 1548 4184 csrss.exe 125 PID 4184 wrote to memory of 1548 4184 csrss.exe 125 PID 4184 wrote to memory of 1792 4184 csrss.exe 127 PID 4184 wrote to memory of 1792 4184 csrss.exe 127 PID 3904 wrote to memory of 2848 3904 windefender.exe 133 PID 3904 wrote to memory of 2848 3904 windefender.exe 133 PID 3904 wrote to memory of 2848 3904 windefender.exe 133 PID 2848 wrote to memory of 2576 2848 cmd.exe 134 PID 2848 wrote to memory of 2576 2848 cmd.exe 134 PID 2848 wrote to memory of 2576 2848 cmd.exe 134 -
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\174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe"C:\Users\Admin\AppData\Local\Temp\174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1156
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C:\Users\Admin\AppData\Local\Temp\174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.exe"C:\Users\Admin\AppData\Local\Temp\174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1.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:2944 -
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:5088
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4444
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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:5072
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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:3144
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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:4184 -
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:3372
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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:3492
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3044
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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:4740
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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:1548
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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:1792
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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:868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3904 -
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:2848 -
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:2576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 7523⤵
- Program crash
PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 8762⤵
- Program crash
PID:4768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 47401⤵PID:4640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2944 -ip 29441⤵PID:2948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5052
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
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
MD58bce7c43a538c6005ced4169cf70d0a0
SHA11a15b77c97303d126f73d4e3ef72c6e7056890ca
SHA25616cd2be53a07316e192fe4f56b61831215d52728471da5c5fef19d3527dfe666
SHA5121a706e2a04b9130d84faceeaf36d590f7bdb5eea5da35de296a6dab279165acce8805a738b9b1cce15909085bd1699df4721b4d977fde7bd0f48227f2fedc79f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a4967c977a3c6b6ab642f9906bc6dbb
SHA150721cf6cb0b02b718041ecd65938bdcf60ee861
SHA25663b32cf08d4e17d119453cd73808ea165cd7866ef4ae94678595e1c68c6e4d3f
SHA5120c8594c808889e359b535d5117d9688b6d8e387689ce42e7a34e69d96986bef311debf1eee986a75badd422828af2736a3c616b1548426d96529d4cb8afe9db4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d07336a5e449b29b5c53f5b481d5f533
SHA1f2853b86116b9838f1cca3705be8097004999f8f
SHA25638396a241d9205f68a452572e936cb6f3a0d7d8bb4ace0442cbc6edcd9e72ea4
SHA512603b2f8efbe8ec8f7df7a9313e66f58b596b65eed9fc1ac550e66e987de97f739b31b1018154d5d029ec40bca61288547f7a7dfa16760a7cdbfe61757e7aa6df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a669968da138ce553c052c34b854cbc3
SHA1b799aa477b4a21e2920ff45732e2df13f323fdfc
SHA2564765f021ce8185f40b34d6fc4198109ca714089de9c85f4566d48013a91ddfab
SHA512924cdd00ac3e3034667f2e49143e91f5ae03dc4bd71d831bf9faef6755f96ec4d05ee17c33c708f54399dfd7a6716d7c35c9dba60d6f0421c0ad2d3ad34119e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a541d6dc48f3b22b694fabc818ea661
SHA12f07b9109ff8e0d40c9b89022ecff12a863c8c8d
SHA25670beccd01d5fb7ddb4b82453153ee426d69e30320be3d8bca13f7036cbbeaef0
SHA512121097c6e0c018c3bcdf34537b3413128558e11cba3baf681822b82e13766c130fb645650852c0fb27c27e741badb8902f76bdc1e3c122f01b1e060ec63d56bc
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Filesize
4.1MB
MD50ef990d940ed41c55b14e24e5b65ca74
SHA14ed089b4cf3664b4e6d2138db3eaf3456e26d210
SHA256174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1
SHA51283778994fe85b202f8ba20e66da4ad2d0c98c084dd31d9210f5a5bce4e2980c36129379121745245e8f03d536f2400a040906237e586e27a02ec76cf158fa46a
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Filesize
4.1MB
MD50ef990d940ed41c55b14e24e5b65ca74
SHA14ed089b4cf3664b4e6d2138db3eaf3456e26d210
SHA256174ed35b0712a67615fb85470c6a2a9143d1d0c5b249408dd230cbb0e8c0b5c1
SHA51283778994fe85b202f8ba20e66da4ad2d0c98c084dd31d9210f5a5bce4e2980c36129379121745245e8f03d536f2400a040906237e586e27a02ec76cf158fa46a
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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