Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-04-2024 04:44
Static task
static1
Behavioral task
behavioral1
Sample
61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe
Resource
win10v2004-20240412-en
General
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Target
61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe
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Size
4.2MB
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MD5
76d61afb80a40610abb6be4743da36b0
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SHA1
9e36f83eb6dc2ff9a8eaa98a8d917c481fa1bd60
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SHA256
61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261
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SHA512
2bb0dc8c88a2189a9596115be57d86e020fe1f311b69501d240e13c1c317443f7c0a91d894380081074e2b36b836bb53fa8f704693dae26eb4bd8a938af86a2f
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SSDEEP
98304:4Wosr6t4LHmfag6c9nQ74cnnl3mt05Nf1uD8PcPoGg8fL:4WoV4LHbwQDl2GaDV1g8z
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4128-2-0x0000000005290000-0x0000000005B7B000-memory.dmp family_glupteba behavioral2/memory/4128-3-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4128-25-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4128-54-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4128-55-0x0000000005290000-0x0000000005B7B000-memory.dmp family_glupteba behavioral2/memory/4996-57-0x00000000051D0000-0x0000000005ABB000-memory.dmp family_glupteba behavioral2/memory/4996-58-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4996-90-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4996-94-0x0000000003430000-0x000000000382B000-memory.dmp family_glupteba behavioral2/memory/4996-105-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4996-132-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4996-150-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-213-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-246-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-254-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-255-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-258-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral2/memory/4080-260-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4036 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4080 csrss.exe 4728 injector.exe 440 windefender.exe 4400 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0d-249.dat upx behavioral2/memory/440-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4400-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\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 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe File created C:\Windows\rss\csrss.exe 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3728 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1516 4128 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4572 schtasks.exe 2572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.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\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4556 powershell.exe 4556 powershell.exe 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4468 powershell.exe 4468 powershell.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 4400 powershell.exe 4400 powershell.exe 4860 powershell.exe 4860 powershell.exe 2528 powershell.exe 2528 powershell.exe 2324 powershell.exe 2324 powershell.exe 2444 powershell.exe 2444 powershell.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4080 csrss.exe 4080 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4080 csrss.exe 4080 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4080 csrss.exe 4080 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Token: SeImpersonatePrivilege 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 2528 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeSystemEnvironmentPrivilege 4080 csrss.exe Token: SeSecurityPrivilege 3728 sc.exe Token: SeSecurityPrivilege 3728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4128 wrote to memory of 4556 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 82 PID 4128 wrote to memory of 4556 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 82 PID 4128 wrote to memory of 4556 4128 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 82 PID 4996 wrote to memory of 4468 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 90 PID 4996 wrote to memory of 4468 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 90 PID 4996 wrote to memory of 4468 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 90 PID 4996 wrote to memory of 2252 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 92 PID 4996 wrote to memory of 2252 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 92 PID 2252 wrote to memory of 4036 2252 cmd.exe 94 PID 2252 wrote to memory of 4036 2252 cmd.exe 94 PID 4996 wrote to memory of 4400 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 95 PID 4996 wrote to memory of 4400 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 95 PID 4996 wrote to memory of 4400 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 95 PID 4996 wrote to memory of 4860 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 97 PID 4996 wrote to memory of 4860 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 97 PID 4996 wrote to memory of 4860 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 97 PID 4996 wrote to memory of 4080 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 99 PID 4996 wrote to memory of 4080 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 99 PID 4996 wrote to memory of 4080 4996 61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe 99 PID 4080 wrote to memory of 2528 4080 csrss.exe 100 PID 4080 wrote to memory of 2528 4080 csrss.exe 100 PID 4080 wrote to memory of 2528 4080 csrss.exe 100 PID 4080 wrote to memory of 2324 4080 csrss.exe 106 PID 4080 wrote to memory of 2324 4080 csrss.exe 106 PID 4080 wrote to memory of 2324 4080 csrss.exe 106 PID 4080 wrote to memory of 2444 4080 csrss.exe 108 PID 4080 wrote to memory of 2444 4080 csrss.exe 108 PID 4080 wrote to memory of 2444 4080 csrss.exe 108 PID 4080 wrote to memory of 4728 4080 csrss.exe 110 PID 4080 wrote to memory of 4728 4080 csrss.exe 110 PID 440 wrote to memory of 3420 440 windefender.exe 116 PID 440 wrote to memory of 3420 440 windefender.exe 116 PID 440 wrote to memory of 3420 440 windefender.exe 116 PID 3420 wrote to memory of 3728 3420 cmd.exe 117 PID 3420 wrote to memory of 3728 3420 cmd.exe 117 PID 3420 wrote to memory of 3728 3420 cmd.exe 117 -
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\61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe"C:\Users\Admin\AppData\Local\Temp\61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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C:\Users\Admin\AppData\Local\Temp\61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.exe"C:\Users\Admin\AppData\Local\Temp\61128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261.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:4996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468
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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:2252 -
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:4036
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4860
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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:4080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528
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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:4572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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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:4728
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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:2572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:440 -
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:3420 -
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:3728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 7322⤵
- Program crash
PID:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4128 -ip 41281⤵PID:1596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4400
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
MD5312d401445037b7929adcf4a03912ea0
SHA1fef533c2024eef35c40970f5674d8d4be049fd00
SHA256fde7c6961f6b03eae48e1a142ac21639de42377afdbb12fb40460b040365670b
SHA5128557501a3b839a85d7aedb4112e167477b6e89d842a047110c6c607c3026df5034e8ad0d248da3e4d13c695a4d6f6fcc0725098f589d0af0a035d13f6377c05f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2340143e40cde703c6e398846d6cdaf
SHA14ae11c36d3a89efb99284f511dceaf5a5e474fd3
SHA2563b67fdcb767aca8da5f9b1723491ca1b10524e8ca735bcc66327c191fb283024
SHA5121d4259ef29fb4ae9f4442e1bd5d647ca9a1e6970ac1d53d2260f4871196b739e926b2f3ecc3811b60c9a5fcf2317a9d58a1526c3537f0fdeec888967985bac6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c05c8ff092d4c32e8acf0e1e6be5b014
SHA194683b234215e366cc96194ee095ae57033a70db
SHA256c2f5c6d727eff71368cb8dc1f423e74a4f90a220b16349cd33e9382bedde2e69
SHA51279b72d8f5c6d27e633d3b20fd53cb25738ca855c47dfdf639d6736daa42b7745dc776ee4a587e8e1239cd98843f6a0db4df758acc0d22e1b8a08d85f6c7a0e85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bcb87c663218da1575b6dde005b7ff16
SHA181588ab0b0e958c465e1bd61c0dc0884f038a7b6
SHA256e576643501e8572ff0de37ba4411236fb637bc87f806e6ce62049669aeaf7867
SHA5122a9b4fc419b73feb4b38184f92fcd4989bbf0a6391833f8d4c4a287fe9be24332232c068c1ef336e53dce3ac30cc180ad079294fbbd40a443c394679cc2c0521
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe51e35c0ae5371bc013126c6ac0a583
SHA1fd3238ff51330270547aa3c9fa054350f456ec69
SHA25617c5955da6fba0dbed018d3d6843f5a113b44bdd5f8376ba953f118a5cf61a43
SHA512ee7f36899315848c45a52272a81fe2cc92798717af501c8fdb27aef32e54c375c9d40b764176c787f74405c5cc827a5c42d6feeaf66ec560acad4fe66c3544a2
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Filesize
4.2MB
MD576d61afb80a40610abb6be4743da36b0
SHA19e36f83eb6dc2ff9a8eaa98a8d917c481fa1bd60
SHA25661128d9ff76814b4139532da804afcdc8f5c25287ed1355d4e41292fb1030261
SHA5122bb0dc8c88a2189a9596115be57d86e020fe1f311b69501d240e13c1c317443f7c0a91d894380081074e2b36b836bb53fa8f704693dae26eb4bd8a938af86a2f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec