Analysis
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max time kernel
149s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-05-2024 21:57
Static task
static1
Behavioral task
behavioral1
Sample
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe
Resource
win10v2004-20240426-en
General
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Target
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe
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Size
4.2MB
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MD5
4ad68289e2c7f80765fafa32efdced31
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SHA1
09f6a09f506a1b7a27fdee6dcc4d314771fffefc
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SHA256
9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8
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SHA512
51390a089c35595dcbd7c32fad18c59ad873a6c3f767fc8d51a6f57698b98e858ccc5142de1449504ececab489d381310e8dfd1aa104b9ff0a47196e4e33c35c
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SSDEEP
98304:WmSdBJVF/sadCcVup8cliXqsi9lykt/Z+2I6NciPMqY/zZV:WL5rvCVi6sEDRZCgbrYb/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4044-2-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/4044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4044-29-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4044-57-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/4044-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4044-81-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1648-120-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1648-136-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-217-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-227-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-229-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-232-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-235-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-239-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-241-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-244-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-247-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-251-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-253-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1060-256-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4176 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1060 csrss.exe 3284 injector.exe 3216 windefender.exe 4560 windefender.exe -
resource yara_rule behavioral1/files/0x000c00000002297a-221.dat upx behavioral1/memory/3216-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3216-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe File created C:\Windows\rss\csrss.exe 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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 3212 sc.exe -
pid Process 2720 powershell.exe 5000 powershell.exe 4032 powershell.exe 3212 powershell.exe 3620 powershell.exe 3476 powershell.exe 2548 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 4904 schtasks.exe 3116 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,-1912 = "Russia TZ 10 Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands 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\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3212 powershell.exe 3212 powershell.exe 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 3620 powershell.exe 3620 powershell.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 3476 powershell.exe 3476 powershell.exe 2548 powershell.exe 2548 powershell.exe 2720 powershell.exe 2720 powershell.exe 5000 powershell.exe 5000 powershell.exe 4032 powershell.exe 4032 powershell.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 1060 csrss.exe 1060 csrss.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 1060 csrss.exe 1060 csrss.exe 3284 injector.exe 3284 injector.exe 1060 csrss.exe 1060 csrss.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe 3284 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3212 powershell.exe Token: SeDebugPrivilege 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Token: SeImpersonatePrivilege 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeSystemEnvironmentPrivilege 1060 csrss.exe Token: SeSecurityPrivilege 3212 sc.exe Token: SeSecurityPrivilege 3212 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4044 wrote to memory of 3212 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 4044 wrote to memory of 3212 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 4044 wrote to memory of 3212 4044 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 91 PID 1648 wrote to memory of 3620 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 97 PID 1648 wrote to memory of 3620 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 97 PID 1648 wrote to memory of 3620 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 97 PID 1648 wrote to memory of 4068 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 99 PID 1648 wrote to memory of 4068 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 99 PID 4068 wrote to memory of 4176 4068 cmd.exe 101 PID 4068 wrote to memory of 4176 4068 cmd.exe 101 PID 1648 wrote to memory of 3476 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 102 PID 1648 wrote to memory of 3476 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 102 PID 1648 wrote to memory of 3476 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 102 PID 1648 wrote to memory of 2548 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 104 PID 1648 wrote to memory of 2548 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 104 PID 1648 wrote to memory of 2548 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 104 PID 1648 wrote to memory of 1060 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 106 PID 1648 wrote to memory of 1060 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 106 PID 1648 wrote to memory of 1060 1648 9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe 106 PID 1060 wrote to memory of 2720 1060 csrss.exe 107 PID 1060 wrote to memory of 2720 1060 csrss.exe 107 PID 1060 wrote to memory of 2720 1060 csrss.exe 107 PID 1060 wrote to memory of 5000 1060 csrss.exe 114 PID 1060 wrote to memory of 5000 1060 csrss.exe 114 PID 1060 wrote to memory of 5000 1060 csrss.exe 114 PID 1060 wrote to memory of 4032 1060 csrss.exe 116 PID 1060 wrote to memory of 4032 1060 csrss.exe 116 PID 1060 wrote to memory of 4032 1060 csrss.exe 116 PID 1060 wrote to memory of 3284 1060 csrss.exe 118 PID 1060 wrote to memory of 3284 1060 csrss.exe 118 PID 3216 wrote to memory of 4268 3216 windefender.exe 125 PID 3216 wrote to memory of 4268 3216 windefender.exe 125 PID 3216 wrote to memory of 4268 3216 windefender.exe 125 PID 4268 wrote to memory of 3212 4268 cmd.exe 126 PID 4268 wrote to memory of 3212 4268 cmd.exe 126 PID 4268 wrote to memory of 3212 4268 cmd.exe 126 -
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\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3212
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C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.exe"C:\Users\Admin\AppData\Local\Temp\9acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8.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:1648 -
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:3620
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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:4068 -
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:4176
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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:3476
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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:2548
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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:1060 -
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:2720
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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:4904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3852
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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:5000
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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:\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:3284
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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:3116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3216 -
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:4268 -
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:3212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4560
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
MD56769af52e639cbd5ec01a124052b2303
SHA1b337df534ba8f94619fcb819e25de30ca2f9ba5b
SHA25607f821e8d2e23f2ba70c7b575761d0ed6ca4c659c0decbc6f12e1dd582f6fb25
SHA51221643ed1d08c787e3c26356cff31542fa66bb5cbedb3ecffa24a26e74e68c1157229b5a3c96305a51c9d4007c8d4ffe672f5e66e4dc3dcdf5cd006e47a979584
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547c52f364f2640154f68878fcf5fb76c
SHA1c0018e879d5ed2b6814bc18d04ed63cd81438b36
SHA2563548bedcf7827d5cb5844f7a113de07d44ac355bb5fb9843fe7c64865a20cb5f
SHA512bd7ca625c580bd3ad939e9f030526995d3413f623830065507d24110a7d02d526e2e9698716b753eaa22e069e6158bb4c072998afe9475f1dd8da7573154b22b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561be12f0b4641afe94cf72fa9c8ca4b5
SHA18a58ebdabda472200e2fd3d3096d78c70469fde8
SHA25605665cc437035fb7c45b76de9f207db8102cba46d9213fba352623fcff75b650
SHA5125c6d7edefd8779c546dbb3393d43b241d86553f335d47e15f7edc44d28e4f8c5434ce45d3f3061eecb2208a4c649d555afcd09909ba4dfa8e99e778b1e19ecfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567ec95c129bf15fb4ac471e27f049384
SHA14ad18304c16be2264c3aa02760ca9244d0d306fb
SHA2564f5bcef28f73efb809767fb15a41a30a8f509835b4e02b3d14321e99d9606685
SHA512c554b8cfb161747fb4ea9111f8e9f79333faa8b4109cd9bcb66d067715803a1db0a3787514eaa98712329b931aedfd194e1b7f2d8cd12bb8584f9bfbe3157565
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5893f375d6b4019fdf9d9c0a0af5d7290
SHA1f5f9bdfe239e353b48a0e15b12b9efe050c506a8
SHA256614b928ca04a7fbaf4bf26f2e05705567437efe919673f0de0ddd339c5464a4e
SHA512789526a5ad9212f0600e63f2b2817ecbf24abad7f63756cd0212cb5793ee2639442b9f921fa08e76e635e86fff7a684b94b9c97120d696c402db7954cf229899
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Filesize
4.2MB
MD54ad68289e2c7f80765fafa32efdced31
SHA109f6a09f506a1b7a27fdee6dcc4d314771fffefc
SHA2569acfe5281940553815f5389cff67b0835630f6f903b04fe94e35287bc8823bc8
SHA51251390a089c35595dcbd7c32fad18c59ad873a6c3f767fc8d51a6f57698b98e858ccc5142de1449504ececab489d381310e8dfd1aa104b9ff0a47196e4e33c35c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec