Analysis
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max time kernel
149s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:40
Static task
static1
Behavioral task
behavioral1
Sample
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe
Resource
win10v2004-20240508-en
General
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Target
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe
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Size
4.1MB
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MD5
467307e1b961dbe851eedac1a9adb783
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SHA1
7333f409806540eb6478f844ba7ebb3570d15f62
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SHA256
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37
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SHA512
6c9385bf7a14c600e269076aa13720149926ec63dcb822ae9bbd102a80f24271edf3e8325023a6d83af2af49b08e98384187a9eeacf4d72d6d463d6c33ce7925
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SSDEEP
98304:ieUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGh:igHncLBP5HkIsFwf3u4kByfxbhO6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1456-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral1/memory/1456-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1456-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1456-54-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral1/memory/4376-56-0x00000000029C0000-0x0000000002DC2000-memory.dmp family_glupteba behavioral1/memory/4376-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4376-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2192-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4400 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2192 csrss.exe 4816 injector.exe 1272 windefender.exe 2444 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000022a48-222.dat upx behavioral1/memory/1272-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2444-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1272-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2444-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2444-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2444-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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\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 File created 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 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe File created C:\Windows\rss\csrss.exe 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4604 sc.exe -
pid Process 4572 powershell.exe 1816 powershell.exe 4032 powershell.exe 4440 powershell.exe 3684 powershell.exe 2752 powershell.exe 2036 powershell.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 2128 schtasks.exe 1828 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,-562 = "SE Asia Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 2752 powershell.exe 2752 powershell.exe 2752 powershell.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 2036 powershell.exe 2036 powershell.exe 2036 powershell.exe 4572 powershell.exe 4572 powershell.exe 4572 powershell.exe 1816 powershell.exe 1816 powershell.exe 1816 powershell.exe 4032 powershell.exe 4032 powershell.exe 4032 powershell.exe 4440 powershell.exe 4440 powershell.exe 4440 powershell.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 2192 csrss.exe 2192 csrss.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 2192 csrss.exe 2192 csrss.exe 4816 injector.exe 4816 injector.exe 2192 csrss.exe 2192 csrss.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Token: SeImpersonatePrivilege 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 2036 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeSystemEnvironmentPrivilege 2192 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1456 wrote to memory of 3684 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 1456 wrote to memory of 3684 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 1456 wrote to memory of 3684 1456 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 4376 wrote to memory of 2752 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 106 PID 4376 wrote to memory of 2752 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 106 PID 4376 wrote to memory of 2752 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 106 PID 4376 wrote to memory of 436 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 109 PID 4376 wrote to memory of 436 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 109 PID 436 wrote to memory of 4400 436 cmd.exe 111 PID 436 wrote to memory of 4400 436 cmd.exe 111 PID 4376 wrote to memory of 2036 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 112 PID 4376 wrote to memory of 2036 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 112 PID 4376 wrote to memory of 2036 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 112 PID 4376 wrote to memory of 4572 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 114 PID 4376 wrote to memory of 4572 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 114 PID 4376 wrote to memory of 4572 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 114 PID 4376 wrote to memory of 2192 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 116 PID 4376 wrote to memory of 2192 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 116 PID 4376 wrote to memory of 2192 4376 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 116 PID 2192 wrote to memory of 1816 2192 csrss.exe 117 PID 2192 wrote to memory of 1816 2192 csrss.exe 117 PID 2192 wrote to memory of 1816 2192 csrss.exe 117 PID 2192 wrote to memory of 4032 2192 csrss.exe 122 PID 2192 wrote to memory of 4032 2192 csrss.exe 122 PID 2192 wrote to memory of 4032 2192 csrss.exe 122 PID 2192 wrote to memory of 4440 2192 csrss.exe 125 PID 2192 wrote to memory of 4440 2192 csrss.exe 125 PID 2192 wrote to memory of 4440 2192 csrss.exe 125 PID 2192 wrote to memory of 4816 2192 csrss.exe 128 PID 2192 wrote to memory of 4816 2192 csrss.exe 128 PID 1272 wrote to memory of 1084 1272 windefender.exe 135 PID 1272 wrote to memory of 1084 1272 windefender.exe 135 PID 1272 wrote to memory of 1084 1272 windefender.exe 135 PID 1084 wrote to memory of 4604 1084 cmd.exe 136 PID 1084 wrote to memory of 4604 1084 cmd.exe 136 PID 1084 wrote to memory of 4604 1084 cmd.exe 136 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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:4376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752
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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:436 -
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:4400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572
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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:2192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816
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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:2128
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3252
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
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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:4816
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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:1828
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1272 -
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:1084 -
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:4604
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4460,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=1308 /prefetch:81⤵PID:3124
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2444
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
MD5a815a03e7a91314179a0f7c77987dfa6
SHA14fd28c96b844786ea380070ba62c3c726149ef31
SHA256e2d88fabc7494fd30e15b4e1a33fbf6c619e76e1a795360358bae0fa91f60dc9
SHA51259c3b1737a5747bec7e8e6eba1d4f44088efd3c1ce2dd2c2e889854fa77b888db9e06b2cc230af4663004f513b3088450b186877046b34eb113b713e425313b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d5ad2f60df865ae100453a2481ad39b
SHA1e54ea5325308930b9bf795733ddaf06846a8efcf
SHA2569f08bf6bb72700703c98a07007e4f491a51372da6bd647bde6c189140b3cdba6
SHA512fffb1117005171a1bab1d839932c5fff35090a25f2e88b762f8452c53da984f9f93340d5d2a9dc37b3451cee59fb5d2c2c94f0a2da25bdc80de4d4c46ddc3df3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6d0bf8f2bc2d83c128cbd91d4742f60
SHA1035eda038c9763b7486aec4b40a12e1a759e70bd
SHA2569a51a14b9623b95b6804e7263817fe839996d073a3f7304d62c098fe92ec058b
SHA512dfed8c570ae18d342f4d183e7fc6c82819bb099a1a5a5eb0771c36245d1d4303f1a853a3b3af9b2556e25340bd4149eff99ae3f0e381ef4924bb5e1feaf01c5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5803efdcd24e51a9457e6db7d74957ab5
SHA12d2bdd65581f2da3077dbca23ce3341470eb7a5d
SHA2569765ef28c7d31a9cd777b4d1fb218361b760778d6687517d3c11ee5272e849ea
SHA512fcc85e458b5f43f6042a6ac5403865be914cd590d2635e0d01715e80da29bc662679b3d1964ef914a7f57cd29c2c3fbfc4ea4bb5e121582b3c6de69b630c20ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5461684c673a17a3556be82bd46d40527
SHA159ecfb18d5f201306c277f72b42cd11941316662
SHA2564fbd22431c65010a81840018f22ed0e8933e9e1adfd25ffecf0a84c9c4c94326
SHA5120db75b8d92d4fdc70c9f52b613fd780e843905ac7e1edc213fb46137a9e5677dd93cd6828061047419b6448019c65b713fea20794cb080552e682cc27cca58db
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Filesize
4.1MB
MD5467307e1b961dbe851eedac1a9adb783
SHA17333f409806540eb6478f844ba7ebb3570d15f62
SHA25624103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37
SHA5126c9385bf7a14c600e269076aa13720149926ec63dcb822ae9bbd102a80f24271edf3e8325023a6d83af2af49b08e98384187a9eeacf4d72d6d463d6c33ce7925
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec