Analysis
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max time kernel
176s -
max time network
190s -
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, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe
Resource
win10v2004-20240412-en
General
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Target
267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe
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Size
4.2MB
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MD5
75fae659377cebf89cf61e90c45f24f2
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SHA1
362fd4d7a74226cc703ed73a9ece0571e86ab2a5
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SHA256
267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2
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SHA512
a4cd447eaa6d2e46353c6ec8b6c476400c6b73961103637b03f2d269b52dd25879c6648737dd4ac6d65118cbe6d6f2d410b3172f1647abaf7380a0d266ab36f5
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SSDEEP
98304:G+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOaP:/zMKBrC2kuA8hntQ
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1032-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/1032-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1032-4-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1032-9-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1032-27-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/1032-44-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1032-60-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5044-63-0x0000000005210000-0x0000000005AFB000-memory.dmp family_glupteba behavioral2/memory/5044-64-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5044-92-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5044-110-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5044-140-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5044-161-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3324-223-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3324-254-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3324-259-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3324-269-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2792 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3324 csrss.exe 3760 injector.exe 4356 windefender.exe 3100 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa32-263.dat upx behavioral2/memory/4356-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-825860316-2493133627-3905166409-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\S-1-5-21-825860316-2493133627-3905166409-1000\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 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 -
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 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe File created C:\Windows\rss\csrss.exe 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.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 4700 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 1740 schtasks.exe 4420 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,-2341 = "Haiti Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 248 powershell.exe 248 powershell.exe 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 2860 powershell.exe 2860 powershell.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 1344 powershell.exe 1344 powershell.exe 2132 powershell.exe 2132 powershell.exe 3000 powershell.exe 3000 powershell.exe 1332 powershell.exe 1332 powershell.exe 336 powershell.exe 336 powershell.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3324 csrss.exe 3324 csrss.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3324 csrss.exe 3324 csrss.exe 3760 injector.exe 3760 injector.exe 3324 csrss.exe 3324 csrss.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe 3760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 248 powershell.exe Token: SeDebugPrivilege 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Token: SeImpersonatePrivilege 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 1344 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeSystemEnvironmentPrivilege 3324 csrss.exe Token: SeSecurityPrivilege 4700 sc.exe Token: SeSecurityPrivilege 4700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1032 wrote to memory of 248 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 82 PID 1032 wrote to memory of 248 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 82 PID 1032 wrote to memory of 248 1032 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 82 PID 5044 wrote to memory of 2860 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 87 PID 5044 wrote to memory of 2860 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 87 PID 5044 wrote to memory of 2860 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 87 PID 5044 wrote to memory of 560 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 89 PID 5044 wrote to memory of 560 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 89 PID 560 wrote to memory of 2792 560 cmd.exe 91 PID 560 wrote to memory of 2792 560 cmd.exe 91 PID 5044 wrote to memory of 1344 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 92 PID 5044 wrote to memory of 1344 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 92 PID 5044 wrote to memory of 1344 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 92 PID 5044 wrote to memory of 2132 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 94 PID 5044 wrote to memory of 2132 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 94 PID 5044 wrote to memory of 2132 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 94 PID 5044 wrote to memory of 3324 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 96 PID 5044 wrote to memory of 3324 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 96 PID 5044 wrote to memory of 3324 5044 267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe 96 PID 3324 wrote to memory of 3000 3324 csrss.exe 97 PID 3324 wrote to memory of 3000 3324 csrss.exe 97 PID 3324 wrote to memory of 3000 3324 csrss.exe 97 PID 3324 wrote to memory of 1332 3324 csrss.exe 102 PID 3324 wrote to memory of 1332 3324 csrss.exe 102 PID 3324 wrote to memory of 1332 3324 csrss.exe 102 PID 3324 wrote to memory of 336 3324 csrss.exe 105 PID 3324 wrote to memory of 336 3324 csrss.exe 105 PID 3324 wrote to memory of 336 3324 csrss.exe 105 PID 3324 wrote to memory of 3760 3324 csrss.exe 107 PID 3324 wrote to memory of 3760 3324 csrss.exe 107 PID 4356 wrote to memory of 2156 4356 windefender.exe 113 PID 4356 wrote to memory of 2156 4356 windefender.exe 113 PID 4356 wrote to memory of 2156 4356 windefender.exe 113 PID 2156 wrote to memory of 4700 2156 cmd.exe 114 PID 2156 wrote to memory of 4700 2156 cmd.exe 114 PID 2156 wrote to memory of 4700 2156 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\267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe"C:\Users\Admin\AppData\Local\Temp\267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:248
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C:\Users\Admin\AppData\Local\Temp\267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.exe"C:\Users\Admin\AppData\Local\Temp\267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2.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:5044 -
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:2860
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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:560 -
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:2792
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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:1344
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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:2132
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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:3324 -
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:3000
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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:1740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3748
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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:1332
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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:336
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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:3760
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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:4420
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4356 -
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:2156 -
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:4700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:3100
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5887cf5ade2412dfbefd24daccad53b38
SHA18108dc71f57ab7e495abf2c714646f84f8ad6950
SHA25651d2c35cdf4c585d776cabc6ff3533fee9bc4322694d331c8e6336db6bc9b6b7
SHA5124bc19304afb63e4fab8563ce18666f2783494e87b895d471bec6288bdc458376ddbadd23e0048a2d025ea5b3d2fd33e8cf58af06698227a131a1d6f4a6c085b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56617779c4c0059d9a8251d6417f38112
SHA1674fa9ef62f0aad6686498e0fd46bf9fdb2434d5
SHA256970315a4754c6b37610a3aeff9c48bf40337279a5d8e61188876b5d7f1212471
SHA51206ea06ca0e56de23220b1f3d249f7be10aa0d88e86bf9fa5850e4c9fd59dceec1a2c3cf3983251d26c034d8ca1a33af6e727181e4a91408b59f24586ee8edaa0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54db438bbf93281279c45a2a642eaab92
SHA167fd64dfde2dc9bd578f92d3f3832cf75ab54dd0
SHA2568eea1ddc8e9257d667c9af41bd73fddaee661fb834d76c01ef43efe15edfca73
SHA512bf72a80a65ac63acb656cf7f2e4f235a6a6bd9ef85e4b0710a3b7a66b29cada0c5ec8ee31ad16e7cbb8b619d5122e968160fb69a46ea0cf36f04952d4c7b119a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9c26c9d5286d62d508109053735513e
SHA143ad64a723c3517897414906ef15215923aad454
SHA256d813e49e9a20451bb85b2559265e83fae9f65b38372e4e09481e56a76b22ad38
SHA51284d2a28befb9790d6e2a351a8e0739489128099aca6497ad6c9187e8778e75f3507ad0a449a4e406ef4fde5838d95349675c2ee39ff0a1224c80ad97f0879ac6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b7171636bc52e8bc536513a535cb531
SHA1db32021c7d8f13b1c5454ac00f92c0b7d4453a80
SHA256b7130e675fba2f0959f40c8c6343c626e25bdecc4cbae56d2217421fdc2b3e6e
SHA512b46e9cbd4362e1dadfbaebc4c2b0d09f1e5b6852f4e7867cdfa755b74f0af9f08cccd61dfa5270372746d1be01678516879e392051dc1945e024012925f7acf1
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Filesize
4.2MB
MD575fae659377cebf89cf61e90c45f24f2
SHA1362fd4d7a74226cc703ed73a9ece0571e86ab2a5
SHA256267f3218865962c91c69db8eba6d5f5e0c0f14d8074d25e5f7684701dc6878e2
SHA512a4cd447eaa6d2e46353c6ec8b6c476400c6b73961103637b03f2d269b52dd25879c6648737dd4ac6d65118cbe6d6f2d410b3172f1647abaf7380a0d266ab36f5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec