Analysis
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max time kernel
149s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:30
Static task
static1
Behavioral task
behavioral1
Sample
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe
Resource
win10v2004-20240508-en
General
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Target
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe
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Size
4.1MB
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MD5
448106bab58a8a11f674c534548eef77
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SHA1
0f5ae5320c8dd420c604b402528547979f7e2171
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SHA256
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063
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SHA512
13c53b1e1cc851be5a3c8d0e772bb0ab47722df255606e5e577db2c91dcab1945cf450f56edd9da271b3a19cc06d5690696f6a9ab0d06be9ec32467659efbacf
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SSDEEP
98304:4cO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxa:4cO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1260-2-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/1260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1260-87-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1260-109-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/3172-124-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1260-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1952-195-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1952-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4852 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1952 csrss.exe 1792 injector.exe 2104 windefender.exe 4720 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa49-204.dat upx behavioral2/memory/2104-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2104-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4720-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4720-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4720-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 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 -
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 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe File created C:\Windows\rss\csrss.exe 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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 1588 sc.exe -
pid Process 4980 powershell.exe 4236 powershell.exe 2344 powershell.exe 3160 powershell.exe 4696 powershell.exe 4920 powershell.exe 1332 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 2264 schtasks.exe 4700 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.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,-41 = "E. South America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4980 powershell.exe 4980 powershell.exe 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4236 powershell.exe 4236 powershell.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 2344 powershell.exe 2344 powershell.exe 3160 powershell.exe 3160 powershell.exe 4696 powershell.exe 4696 powershell.exe 4920 powershell.exe 4920 powershell.exe 1332 powershell.exe 1332 powershell.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1952 csrss.exe 1952 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1952 csrss.exe 1952 csrss.exe 1792 injector.exe 1792 injector.exe 1952 csrss.exe 1952 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Token: SeImpersonatePrivilege 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeSystemEnvironmentPrivilege 1952 csrss.exe Token: SeSecurityPrivilege 1588 sc.exe Token: SeSecurityPrivilege 1588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1260 wrote to memory of 4980 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 82 PID 1260 wrote to memory of 4980 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 82 PID 1260 wrote to memory of 4980 1260 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 82 PID 3172 wrote to memory of 4236 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 87 PID 3172 wrote to memory of 4236 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 87 PID 3172 wrote to memory of 4236 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 87 PID 3172 wrote to memory of 4072 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 89 PID 3172 wrote to memory of 4072 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 89 PID 4072 wrote to memory of 4852 4072 cmd.exe 91 PID 4072 wrote to memory of 4852 4072 cmd.exe 91 PID 3172 wrote to memory of 2344 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 92 PID 3172 wrote to memory of 2344 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 92 PID 3172 wrote to memory of 2344 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 92 PID 3172 wrote to memory of 3160 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 94 PID 3172 wrote to memory of 3160 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 94 PID 3172 wrote to memory of 3160 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 94 PID 3172 wrote to memory of 1952 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 96 PID 3172 wrote to memory of 1952 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 96 PID 3172 wrote to memory of 1952 3172 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 96 PID 1952 wrote to memory of 4696 1952 csrss.exe 97 PID 1952 wrote to memory of 4696 1952 csrss.exe 97 PID 1952 wrote to memory of 4696 1952 csrss.exe 97 PID 1952 wrote to memory of 4920 1952 csrss.exe 102 PID 1952 wrote to memory of 4920 1952 csrss.exe 102 PID 1952 wrote to memory of 4920 1952 csrss.exe 102 PID 1952 wrote to memory of 1332 1952 csrss.exe 105 PID 1952 wrote to memory of 1332 1952 csrss.exe 105 PID 1952 wrote to memory of 1332 1952 csrss.exe 105 PID 1952 wrote to memory of 1792 1952 csrss.exe 107 PID 1952 wrote to memory of 1792 1952 csrss.exe 107 PID 2104 wrote to memory of 2856 2104 windefender.exe 113 PID 2104 wrote to memory of 2856 2104 windefender.exe 113 PID 2104 wrote to memory of 2856 2104 windefender.exe 113 PID 2856 wrote to memory of 1588 2856 cmd.exe 114 PID 2856 wrote to memory of 1588 2856 cmd.exe 114 PID 2856 wrote to memory of 1588 2856 cmd.exe 114 -
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\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
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C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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:3172 -
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:4236
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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:4072 -
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:4852
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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:2344
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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:3160
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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:1952 -
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:4696
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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:4700
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2552
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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:4920
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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:1332
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2264
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2104 -
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:2856 -
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:1588
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4720
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5651a4c6ef1dd3a916b23f0fa4d733e7d
SHA113d65d8bb6d7f277753124cfba8dbf678a58596f
SHA256e696da4a1bb045ca2d6f398eae6dd5ff614b7bd818e9dbb6ca887fff78ee6673
SHA512e3a9b6d5b01c3ba0c96f7eda30530262407dc16b75e807b11deda3d2b61b9b6deb66964a1e83fd41716162d0096efc0a34447f890c11303c459902ff66d62442
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aac56dc687824e233dbc062b44be235f
SHA1f76c24a130e705497f9d95d3099a237bfd32a40c
SHA2562cd1379a1e04a5c69a4e7f57a050fcc33c58fd536c424c28d614b4a197e56b9a
SHA512443a53ba122315c99ddbdadd87984b14e2b6127111eac339458cf28b65463916fae1107c84f9051819a2468d97ae9c048dd75af9e582beff6795bee5f91a3173
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516035ce80e097e07ebaf3e046efdd361
SHA1d7425e9305b62f18d9b8b7e333f5313524cc0b5c
SHA2561b6a46f56b1c106f059b93a938edabaeead07269f91817d478d0b071624b2a05
SHA51276b5ba806e94ea4a8534b6f94e91effbe862027a50fa99bd1fbe118d06a4458a42cafb4312176ddad6511983ec317b6eae84ed54608f58298c9c23c655843435
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ed08eeb96d520ed14ea0f62920c5c5a
SHA1cdee3edffcccce1a1fc0a2d176cae6e335fdb5ac
SHA256dc552d58c85402ab49ca2428679c8a4153b7b30d42cf3b103106b8e92d8b2739
SHA5123f791081b546dc9c77ae1356e09e6056992833ff2b6586a8137c93c324341f26ba3234e48ae4deaf34349bde51bf244bd96a1028edfdef27decded7558180c53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2d14880a9456c2f5aa634e7eae6c46c
SHA1988d3f9e2c83b70e9fa467bdc6e51cb81f582b34
SHA2569f67f8753117cbe828f422d7a41487e88488a235474be22bb769b80aef29105e
SHA5127cc37aac4da26afa00c546df8be7028fffde915f29be2dbcebc798bf5404d28f12d10bc88c438e38a35b64d9ce802fe8feec233862873415ad9afd0df097eaa8
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Filesize
4.1MB
MD5448106bab58a8a11f674c534548eef77
SHA10f5ae5320c8dd420c604b402528547979f7e2171
SHA2561554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063
SHA51213c53b1e1cc851be5a3c8d0e772bb0ab47722df255606e5e577db2c91dcab1945cf450f56edd9da271b3a19cc06d5690696f6a9ab0d06be9ec32467659efbacf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec