Analysis
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max time kernel
156s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2023, 20:59
Static task
static1
General
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Target
3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe
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Size
4.2MB
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MD5
c3aab4b0d71c486f2fef0bdcfdd40aa2
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SHA1
891d7eac3bdc6e97b7415bc18af80651a7a79fac
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SHA256
3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2
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SHA512
ea6ca3794cc23e9215357d0dcbd3def23b5c1bdc0d69c9e647147dd28970ffec205f1f26731ec0cafaba53e2da4f02d3c03d068ecd8b13b1aad4b9902362d0bf
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SSDEEP
98304:zQVVFOo2reL743AV8eVs1GrPzQ2Qx4qE/1iYPp/MTOpK2DVKvBZSFLcKU:zWYKf43AVw1uQTTE/8CpETOpKaUaFLc/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/372-2-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/372-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/372-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/372-7-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/372-8-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/372-37-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/372-54-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/372-68-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4128-70-0x0000000002930000-0x0000000002D2B000-memory.dmp family_glupteba behavioral1/memory/4128-71-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4128-101-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4128-137-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4128-171-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-207-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2916-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4844 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2916 csrss.exe 888 injector.exe 4560 windefender.exe 5024 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000022d21-273.dat upx behavioral1/files/0x0007000000022d21-275.dat upx behavioral1/files/0x0007000000022d21-276.dat upx behavioral1/memory/4560-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.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 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 216 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3092 372 WerFault.exe 86 1728 4128 WerFault.exe 109 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2036 schtasks.exe 1688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda 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,-2342 = "Haiti Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4612 powershell.exe 4612 powershell.exe 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 5108 powershell.exe 5108 powershell.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 3068 powershell.exe 3068 powershell.exe 4416 powershell.exe 4416 powershell.exe 1048 powershell.exe 1048 powershell.exe 4772 powershell.exe 4772 powershell.exe 1604 powershell.exe 1604 powershell.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 2916 csrss.exe 2916 csrss.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 2916 csrss.exe 2916 csrss.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 2916 csrss.exe 2916 csrss.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4612 powershell.exe Token: SeDebugPrivilege 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Token: SeImpersonatePrivilege 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 1604 powershell.exe Token: SeSystemEnvironmentPrivilege 2916 csrss.exe Token: SeSecurityPrivilege 216 sc.exe Token: SeSecurityPrivilege 216 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 372 wrote to memory of 4612 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 92 PID 372 wrote to memory of 4612 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 92 PID 372 wrote to memory of 4612 372 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 92 PID 4128 wrote to memory of 5108 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 112 PID 4128 wrote to memory of 5108 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 112 PID 4128 wrote to memory of 5108 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 112 PID 4128 wrote to memory of 4340 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 114 PID 4128 wrote to memory of 4340 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 114 PID 4340 wrote to memory of 4844 4340 cmd.exe 116 PID 4340 wrote to memory of 4844 4340 cmd.exe 116 PID 4128 wrote to memory of 3068 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 117 PID 4128 wrote to memory of 3068 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 117 PID 4128 wrote to memory of 3068 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 117 PID 4128 wrote to memory of 4416 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 120 PID 4128 wrote to memory of 4416 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 120 PID 4128 wrote to memory of 4416 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 120 PID 4128 wrote to memory of 2916 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 122 PID 4128 wrote to memory of 2916 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 122 PID 4128 wrote to memory of 2916 4128 3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe 122 PID 2916 wrote to memory of 1048 2916 csrss.exe 125 PID 2916 wrote to memory of 1048 2916 csrss.exe 125 PID 2916 wrote to memory of 1048 2916 csrss.exe 125 PID 2916 wrote to memory of 4772 2916 csrss.exe 130 PID 2916 wrote to memory of 4772 2916 csrss.exe 130 PID 2916 wrote to memory of 4772 2916 csrss.exe 130 PID 2916 wrote to memory of 1604 2916 csrss.exe 133 PID 2916 wrote to memory of 1604 2916 csrss.exe 133 PID 2916 wrote to memory of 1604 2916 csrss.exe 133 PID 2916 wrote to memory of 888 2916 csrss.exe 135 PID 2916 wrote to memory of 888 2916 csrss.exe 135 PID 4560 wrote to memory of 2712 4560 windefender.exe 141 PID 4560 wrote to memory of 2712 4560 windefender.exe 141 PID 4560 wrote to memory of 2712 4560 windefender.exe 141 PID 2712 wrote to memory of 216 2712 cmd.exe 142 PID 2712 wrote to memory of 216 2712 cmd.exe 142 PID 2712 wrote to memory of 216 2712 cmd.exe 142 -
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\3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe"C:\Users\Admin\AppData\Local\Temp\3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4612
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C:\Users\Admin\AppData\Local\Temp\3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.exe"C:\Users\Admin\AppData\Local\Temp\3b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2.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:4128 -
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:5108
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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:4340 -
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:4844
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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:3068
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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:4416
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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:2916 -
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:1048
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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:1688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4584
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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:4772
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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:1604
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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:888
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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:2036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4560 -
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:2712 -
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:216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 8043⤵
- Program crash
PID:1728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 4682⤵
- Program crash
PID:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 372 -ip 3721⤵PID:1320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4128 -ip 41281⤵PID:1072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5024
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7b0e50b41fcabafe73ec89919c449d4
SHA14c57983f6f18cccf19c7084c0f40f59ed846cf6e
SHA256886d04e4c3750dba061aaff1ec8fa6b87dd517b66bcca9dfdc5ccba7ddc4bcb3
SHA5129d9233e2293022d16ab6d5d813e5dad5f209e73c3b91ce14d176dcfcad12e222486e03c6c8454a0b72050ee6a09739ea346befc5ad257abcfe3bbe07c3b9efa1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551711375e987ce61c65125deea77d222
SHA16f15f34a7d273ca4be7352abb741a7b98a693ce3
SHA2560fb461e6620659d6590ab4ff13c8c38cff72275a8815a048221ce7aea4c8fa0e
SHA5128ec0ce5cd4363153e54f02cb74e395e987ba6d13f65e0dbaf2048950693a92dfd37bfeced6c1a23c6a137a118cad086e38d83c7fd28f99ae8c6485e9bde90b4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff3817d8f4d3f6b980b3d26ce46afeb0
SHA123256a83aa84506aaaa9a50459692d0a16f7f274
SHA2562f7e233b22b4055974b576f788f2af63c47c555d3ca6256f86116976a56b24e0
SHA5120b8e48954f238c0391f4b706240582fc877f45b450fd50fae31db1559094c70c1053c87095a7c7ebf90fbcd1915c82c972fb9db25fee5aaff219030c494a2aa3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad6a9c38e4f9fddfed80573301c8edc3
SHA1428c2660a34abe67164240c7116104168084fdcf
SHA256144739c47f03aa698b7caed5d500e262278b79ccda5bc5f96d33f85ade030d85
SHA5128544fbc5a5e77e26979f87557328c3f0f6a7f7bb1aeaf1c40634ea59729becfcf3980a2c3a0b94b3d4029b86488228c2d50cf399cb3d822ec2a428e8e5ebde6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c15c403b7476f7ad75e4543c2e03cf4
SHA12cfaa1ffb02c5f999503cf2123d33eb358288f3a
SHA2560ca63c6625169e15e8c12302a8d58a49b3cca6fcc5033a914bf9beaf2d41a301
SHA512ca2b74759a6d60926d0d899ff37ee8bc679eeecf2ee1464f6aed03b8a742154633c9ef6270cfe277eb48718d26072d4a02e72a4e55085de845456a946cab3e45
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Filesize
4.2MB
MD5c3aab4b0d71c486f2fef0bdcfdd40aa2
SHA1891d7eac3bdc6e97b7415bc18af80651a7a79fac
SHA2563b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2
SHA512ea6ca3794cc23e9215357d0dcbd3def23b5c1bdc0d69c9e647147dd28970ffec205f1f26731ec0cafaba53e2da4f02d3c03d068ecd8b13b1aad4b9902362d0bf
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Filesize
4.2MB
MD5c3aab4b0d71c486f2fef0bdcfdd40aa2
SHA1891d7eac3bdc6e97b7415bc18af80651a7a79fac
SHA2563b732daa24c9e015bd81e24ec25c01798415f74972670e407b00c6888729bbc2
SHA512ea6ca3794cc23e9215357d0dcbd3def23b5c1bdc0d69c9e647147dd28970ffec205f1f26731ec0cafaba53e2da4f02d3c03d068ecd8b13b1aad4b9902362d0bf
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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