Analysis
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max time kernel
150s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:41
Static task
static1
Behavioral task
behavioral1
Sample
e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe
Resource
win10v2004-20240412-en
General
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Target
e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe
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Size
4.2MB
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MD5
b62fdd324f1b0dd17b8390444615a0a1
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SHA1
747fa8312ac9750546b0977839da5bda544c4952
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SHA256
e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330
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SHA512
769f4e6d82fe145942aab9ebc6bd0c6749814ac857da5d0cd9744be1a78c30695af9f21d1f78704b7ad15f2d37af76ceee5cf1d9730b4ff8aa09668017af146f
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SSDEEP
98304:uz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7X:k7NcfZtQ9LJEd3aOYT+X
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/388-2-0x0000000005380000-0x0000000005C6B000-memory.dmp family_glupteba behavioral2/memory/388-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/388-65-0x0000000005380000-0x0000000005C6B000-memory.dmp family_glupteba behavioral2/memory/1156-62-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/388-79-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1156-138-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1156-177-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-241-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-252-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-256-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-260-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-264-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-268-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-272-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-276-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-280-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-284-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-288-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-292-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2548-296-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 528 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2548 csrss.exe 3420 injector.exe 528 windefender.exe 400 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa13-245.dat upx behavioral2/memory/528-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 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 -
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 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2484 sc.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 4656 schtasks.exe 3260 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1672 powershell.exe 1672 powershell.exe 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1500 powershell.exe 1500 powershell.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 4108 powershell.exe 4108 powershell.exe 976 powershell.exe 976 powershell.exe 2668 powershell.exe 2668 powershell.exe 1612 powershell.exe 1612 powershell.exe 1228 powershell.exe 1228 powershell.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2548 csrss.exe 2548 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2548 csrss.exe 2548 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2548 csrss.exe 2548 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1672 powershell.exe Token: SeDebugPrivilege 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Token: SeImpersonatePrivilege 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeSystemEnvironmentPrivilege 2548 csrss.exe Token: SeSecurityPrivilege 2484 sc.exe Token: SeSecurityPrivilege 2484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 388 wrote to memory of 1672 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 80 PID 388 wrote to memory of 1672 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 80 PID 388 wrote to memory of 1672 388 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 80 PID 1156 wrote to memory of 1500 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 86 PID 1156 wrote to memory of 1500 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 86 PID 1156 wrote to memory of 1500 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 86 PID 1156 wrote to memory of 1916 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 88 PID 1156 wrote to memory of 1916 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 88 PID 1916 wrote to memory of 528 1916 cmd.exe 110 PID 1916 wrote to memory of 528 1916 cmd.exe 110 PID 1156 wrote to memory of 4108 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 91 PID 1156 wrote to memory of 4108 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 91 PID 1156 wrote to memory of 4108 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 91 PID 1156 wrote to memory of 976 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 93 PID 1156 wrote to memory of 976 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 93 PID 1156 wrote to memory of 976 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 93 PID 1156 wrote to memory of 2548 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 95 PID 1156 wrote to memory of 2548 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 95 PID 1156 wrote to memory of 2548 1156 e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe 95 PID 2548 wrote to memory of 2668 2548 csrss.exe 96 PID 2548 wrote to memory of 2668 2548 csrss.exe 96 PID 2548 wrote to memory of 2668 2548 csrss.exe 96 PID 2548 wrote to memory of 1612 2548 csrss.exe 102 PID 2548 wrote to memory of 1612 2548 csrss.exe 102 PID 2548 wrote to memory of 1612 2548 csrss.exe 102 PID 2548 wrote to memory of 1228 2548 csrss.exe 104 PID 2548 wrote to memory of 1228 2548 csrss.exe 104 PID 2548 wrote to memory of 1228 2548 csrss.exe 104 PID 2548 wrote to memory of 3420 2548 csrss.exe 106 PID 2548 wrote to memory of 3420 2548 csrss.exe 106 PID 528 wrote to memory of 1676 528 windefender.exe 112 PID 528 wrote to memory of 1676 528 windefender.exe 112 PID 528 wrote to memory of 1676 528 windefender.exe 112 PID 1676 wrote to memory of 2484 1676 cmd.exe 113 PID 1676 wrote to memory of 2484 1676 cmd.exe 113 PID 1676 wrote to memory of 2484 1676 cmd.exe 113 -
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\e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe"C:\Users\Admin\AppData\Local\Temp\e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Users\Admin\AppData\Local\Temp\e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.exe"C:\Users\Admin\AppData\Local\Temp\e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330.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:1156 -
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:1500
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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:1916 -
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:528
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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:4108
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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:976
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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:2548 -
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:2668
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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:4656
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1460
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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:1612
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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:1228
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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:3420
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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:3260
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:528 -
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:1676 -
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:2484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:400
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
MD599c66cfb8e22d64cf899fcf65d834b1c
SHA1c901dfd21549cefab14cce48ca0b0623db6e9e97
SHA256c262bc80f456b0a71552f14a428050ec77ed4e4664ac0c10a7dd1ae866d78bba
SHA512b0fe51be05e9c6fea98a579990c0bf1a5fe3de924e404afad383de72af9154b49107dc5ba99adfd12534ff26a447974fa208256837ae7212cf9752a73d590f6b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51128c694c28221259675d108e735638c
SHA174a207451733d7960d0af206b460c62590773531
SHA2568fcbfa91cff9d362f1dd4bec29b160ee7b677916e9c2b57231374a4a81879344
SHA512a61ccbbfd98f0e0eea275c93987128d1778f17285650539653de288dc30194bb1b3c22c7aa5a6ee6b91642ad0fc2f43409698b6935d00379124da2f897863641
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51436fee7530104b0d9e53b7eb806a5da
SHA193aa1e1185c1faacfbe67a88d9868fe8e0497fdd
SHA256a5f39bd46ef3a7b69e3fff70acd753c8154461627c893614d3bc81a2b4de7401
SHA512fcff7a07e589cc8eb2886afcf174ba3e55c92e03c0f798a56a3b39bd78ace81f2638afdc02849f249f9c965f75f27814d493567ca8e933bad1d4d34af658f541
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5995c559a037a543465a11462b04eb3e4
SHA1490f52ab218f869b72b183ff9bbf12eb46770a7e
SHA256d57cbbc45e7dc9218e5447e559f3585ba6a4f04cd0d71e204ac15402ce1639cc
SHA512b356ac6f8a6f705ceca9afdb041323adfcdd83c8d45dfa6384e8d325985d0033a45128e8b2e12d63ba5716a7875603b7d9385e575f45bc412227cface59f37c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548b3a54fe7801e581d8c768a69ec7148
SHA1eebbaed319eb709ed454aca9a065cb45b3fa96a0
SHA256195a8acc01b246b0ce706c074f03e4700260118cfeaf14750b8f390d63212c03
SHA5122843951539cf75eaf767ec30b90a502def72f84e06346e2e7508b2dc4351403e86ac9e381d1a7e60ad8e53f663155e37d638a5744a52060504f956f6f988fa65
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Filesize
4.2MB
MD5b62fdd324f1b0dd17b8390444615a0a1
SHA1747fa8312ac9750546b0977839da5bda544c4952
SHA256e7fa3ce2e9f3d0f2ea00b8b1b5dd913be5656531ad96a08a1aedc9d4a5348330
SHA512769f4e6d82fe145942aab9ebc6bd0c6749814ac857da5d0cd9744be1a78c30695af9f21d1f78704b7ad15f2d37af76ceee5cf1d9730b4ff8aa09668017af146f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec