Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 09:01
Static task
static1
Behavioral task
behavioral1
Sample
ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe
Resource
win10v2004-20240508-en
General
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Target
ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe
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Size
4.1MB
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MD5
f74032249534149635b2fcd250d72464
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SHA1
91046809dd783745341e3164967a29eea45631f8
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SHA256
ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2
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SHA512
5e7ab99da976d07cfb162c95f4b2d5c8264b47119f19b5660944efc6614ed34e5c28ffd8f7886ff3d1031f87bbd21350bda2c8a80c6966cc3a9b521fa7e5294f
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SSDEEP
98304:AvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1s:AvC3DFSWO/BjYGk1PnXHoWWZ1za6Ns
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1120-2-0x00000000044F0000-0x0000000004DDB000-memory.dmp family_glupteba behavioral2/memory/1120-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1120-54-0x00000000044F0000-0x0000000004DDB000-memory.dmp family_glupteba behavioral2/memory/1120-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1120-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2164-125-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-198-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-205-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-217-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-221-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-223-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-233-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2784-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4796 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2784 csrss.exe 788 injector.exe 4640 windefender.exe 2136 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d6-208.dat upx behavioral2/memory/4640-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2136-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4640-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2136-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2136-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe File created C:\Windows\rss\csrss.exe ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.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 2356 sc.exe -
pid Process 3608 powershell.exe 3652 powershell.exe 3928 powershell.exe 3836 powershell.exe 1592 powershell.exe 4992 powershell.exe 4668 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 1696 schtasks.exe 2780 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,-1911 = "Russia TZ 10 Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3836 powershell.exe 3836 powershell.exe 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 1592 powershell.exe 1592 powershell.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 4992 powershell.exe 4992 powershell.exe 4668 powershell.exe 4668 powershell.exe 3608 powershell.exe 3608 powershell.exe 3652 powershell.exe 3652 powershell.exe 3928 powershell.exe 3928 powershell.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2784 csrss.exe 2784 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2784 csrss.exe 2784 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2784 csrss.exe 2784 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Token: SeImpersonatePrivilege 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeSystemEnvironmentPrivilege 2784 csrss.exe Token: SeSecurityPrivilege 2356 sc.exe Token: SeSecurityPrivilege 2356 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1120 wrote to memory of 3836 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 82 PID 1120 wrote to memory of 3836 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 82 PID 1120 wrote to memory of 3836 1120 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 82 PID 2164 wrote to memory of 1592 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 87 PID 2164 wrote to memory of 1592 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 87 PID 2164 wrote to memory of 1592 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 87 PID 2164 wrote to memory of 4116 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 89 PID 2164 wrote to memory of 4116 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 89 PID 4116 wrote to memory of 4796 4116 cmd.exe 91 PID 4116 wrote to memory of 4796 4116 cmd.exe 91 PID 2164 wrote to memory of 4992 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 92 PID 2164 wrote to memory of 4992 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 92 PID 2164 wrote to memory of 4992 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 92 PID 2164 wrote to memory of 4668 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 94 PID 2164 wrote to memory of 4668 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 94 PID 2164 wrote to memory of 4668 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 94 PID 2164 wrote to memory of 2784 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 96 PID 2164 wrote to memory of 2784 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 96 PID 2164 wrote to memory of 2784 2164 ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe 96 PID 2784 wrote to memory of 3608 2784 csrss.exe 97 PID 2784 wrote to memory of 3608 2784 csrss.exe 97 PID 2784 wrote to memory of 3608 2784 csrss.exe 97 PID 2784 wrote to memory of 3652 2784 csrss.exe 102 PID 2784 wrote to memory of 3652 2784 csrss.exe 102 PID 2784 wrote to memory of 3652 2784 csrss.exe 102 PID 2784 wrote to memory of 3928 2784 csrss.exe 105 PID 2784 wrote to memory of 3928 2784 csrss.exe 105 PID 2784 wrote to memory of 3928 2784 csrss.exe 105 PID 2784 wrote to memory of 788 2784 csrss.exe 107 PID 2784 wrote to memory of 788 2784 csrss.exe 107 PID 4640 wrote to memory of 4980 4640 windefender.exe 113 PID 4640 wrote to memory of 4980 4640 windefender.exe 113 PID 4640 wrote to memory of 4980 4640 windefender.exe 113 PID 4980 wrote to memory of 2356 4980 cmd.exe 114 PID 4980 wrote to memory of 2356 4980 cmd.exe 114 PID 4980 wrote to memory of 2356 4980 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\ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe"C:\Users\Admin\AppData\Local\Temp\ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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C:\Users\Admin\AppData\Local\Temp\ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.exe"C:\Users\Admin\AppData\Local\Temp\ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2.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:2164 -
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:1592
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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:4116 -
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:4796
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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:4992
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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:4668
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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:2784 -
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:3608
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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:1696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1372
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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:3652
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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:3928
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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:788
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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:2780
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4640 -
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:4980 -
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:2356
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2136
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f8825be8567f4809b14f75d8915b1e6
SHA171d8f67cad0339a5d97ab7e22b23e819d607900e
SHA256ca3303bb2ebf83d2c2b03ec93e131000f3b50c8e1e17a3326af92ac422b0da93
SHA51294fe710b60d8accc75cb631079fe841e8f93a3d48d31bd99270dad5b0098297ff1ed5e34a4eebbf14b23c9769fc3737f21efa88f2eba9cbae462f8c4a89fe66e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2867e29643e23c136f5876c0f70335b
SHA17aaaf97f888ea9e936e1fabe1585c9f9d89aade2
SHA256b94338b933389a365b597012d6dd2f05d886ebe33ae50294c5c13d58a9a74a74
SHA5122b3813beeff20250dbb0636d99c59153bd1fc2d4acfacd6853901106e34615a2ea9a1affe6296b1c8c903a26df138b032a9043e82fc47dbdc51e0f83d0aad125
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5533c5db3262411c14257ac6279db3887
SHA19a30ee816a292e43e2726c102c6c6efa2352c327
SHA256c0e666949f52640d6ac32cbb092901781272570a75c5dc46c2edc97ec247beb3
SHA5128c892fe873032b932f5aedd5d4f0ee7ed41842f84c8c1b8dd9caf141a26a3542f03c124366d7863d44cceff5f0da9fbec3fcefa6d4189e095831434e23eb97d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50aa97e26f8f52db0e8beefb9f52e445f
SHA1a41fd8cf1af0202f2fb667e7f3e890c48fc3cdf6
SHA25642aa4408283ea42a7f0b2b38c025f3371f3e2df2313cdbfc70e9b03a7e53076b
SHA512116c72ae0237fac330cf52afa48b0e57a365720aad333667ce8fdc581de124bc1904d7e40bce8a92ebffb5f0635d12918e636e5408934e51c42f1c721e9ad530
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5faec32182ec91136db8b15093c2b425c
SHA1b33eed3f905c490a82894d7db080950f9005ffcc
SHA25695ca87f7268ab205037ff8fdec4fe0fdaceab2b058d94b1e92f67694df58475a
SHA5120e7ad93fdf6ddbc07d78f88794f60a9153488aa812e395a93fc6c33bbcdf653dfc4e3216d3e69f292276a317e3883c5d06be0e33605e171cdc8c1932c2087a00
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Filesize
4.1MB
MD5f74032249534149635b2fcd250d72464
SHA191046809dd783745341e3164967a29eea45631f8
SHA256ceabc0452c55bd8674d44988e7a24cf3b3aa6a36104ec28fa30deec8630399c2
SHA5125e7ab99da976d07cfb162c95f4b2d5c8264b47119f19b5660944efc6614ed34e5c28ffd8f7886ff3d1031f87bbd21350bda2c8a80c6966cc3a9b521fa7e5294f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec