Analysis
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max time kernel
153s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
05/11/2023, 08:05
Static task
static1
General
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Target
a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe
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Size
4.2MB
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MD5
0997acbbbc3381514ecb206bf048ee3c
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SHA1
6e06ecf321d39503e7c884092db9f87b0e266f21
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SHA256
a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d
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SHA512
dd82627601e2aacc79095503cf0c3396d37e80c8ade04da53d07376e581f3b9e288dcb6fbc941f75f20a5588a3bb921730cbedde4b852a0b303531accba68795
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SSDEEP
98304:30J5KYneZVMuAvQ7ciGoS3c/hX5szyRyo2TjcCbowF:OKYWMuAo74oSKCkyo2TbbxF
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/3108-2-0x0000000002F20000-0x000000000380B000-memory.dmp family_glupteba behavioral1/memory/3108-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3108-30-0x0000000002F20000-0x000000000380B000-memory.dmp family_glupteba behavioral1/memory/3108-32-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3108-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4316-61-0x0000000002B70000-0x0000000002F6C000-memory.dmp family_glupteba behavioral1/memory/4316-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4316-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4316-113-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4316-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-232-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4312-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 772 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4312 csrss.exe 1280 injector.exe 3704 windefender.exe 2024 windefender.exe 4080 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0008000000022d2c-266.dat upx behavioral1/files/0x0008000000022d2c-267.dat upx behavioral1/files/0x0008000000022d2c-269.dat upx behavioral1/memory/3704-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2024-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2024-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000022d0a-281.dat upx behavioral1/files/0x0009000000022d0a-283.dat upx behavioral1/memory/2024-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4080-286-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4080-288-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe File created C:\Windows\rss\csrss.exe a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.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 4180 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 2428 schtasks.exe 1984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\1a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4732 powershell.exe 4732 powershell.exe 4732 powershell.exe 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4140 powershell.exe 4140 powershell.exe 4140 powershell.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 748 powershell.exe 748 powershell.exe 748 powershell.exe 2008 powershell.exe 2008 powershell.exe 1068 powershell.exe 1068 powershell.exe 1068 powershell.exe 4076 powershell.exe 4076 powershell.exe 4076 powershell.exe 3360 powershell.exe 3360 powershell.exe 3360 powershell.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 4312 csrss.exe 4312 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 4312 csrss.exe 4312 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 4312 csrss.exe 4312 csrss.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe 1280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Token: SeImpersonatePrivilege 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 748 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeSystemEnvironmentPrivilege 4312 csrss.exe Token: SeSecurityPrivilege 4180 sc.exe Token: SeSecurityPrivilege 4180 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3108 wrote to memory of 4732 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 93 PID 3108 wrote to memory of 4732 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 93 PID 3108 wrote to memory of 4732 3108 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 93 PID 4316 wrote to memory of 4140 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 106 PID 4316 wrote to memory of 4140 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 106 PID 4316 wrote to memory of 4140 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 106 PID 4316 wrote to memory of 1280 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 109 PID 4316 wrote to memory of 1280 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 109 PID 1280 wrote to memory of 772 1280 cmd.exe 112 PID 1280 wrote to memory of 772 1280 cmd.exe 112 PID 4316 wrote to memory of 748 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 113 PID 4316 wrote to memory of 748 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 113 PID 4316 wrote to memory of 748 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 113 PID 4316 wrote to memory of 2008 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 115 PID 4316 wrote to memory of 2008 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 115 PID 4316 wrote to memory of 2008 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 115 PID 4316 wrote to memory of 4312 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 118 PID 4316 wrote to memory of 4312 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 118 PID 4316 wrote to memory of 4312 4316 a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe 118 PID 4312 wrote to memory of 1068 4312 csrss.exe 119 PID 4312 wrote to memory of 1068 4312 csrss.exe 119 PID 4312 wrote to memory of 1068 4312 csrss.exe 119 PID 4312 wrote to memory of 4076 4312 csrss.exe 126 PID 4312 wrote to memory of 4076 4312 csrss.exe 126 PID 4312 wrote to memory of 4076 4312 csrss.exe 126 PID 4312 wrote to memory of 3360 4312 csrss.exe 128 PID 4312 wrote to memory of 3360 4312 csrss.exe 128 PID 4312 wrote to memory of 3360 4312 csrss.exe 128 PID 4312 wrote to memory of 1280 4312 csrss.exe 130 PID 4312 wrote to memory of 1280 4312 csrss.exe 130 PID 3704 wrote to memory of 3948 3704 windefender.exe 138 PID 3704 wrote to memory of 3948 3704 windefender.exe 138 PID 3704 wrote to memory of 3948 3704 windefender.exe 138 PID 3948 wrote to memory of 4180 3948 cmd.exe 139 PID 3948 wrote to memory of 4180 3948 cmd.exe 139 PID 3948 wrote to memory of 4180 3948 cmd.exe 139 PID 4312 wrote to memory of 4080 4312 csrss.exe 146 PID 4312 wrote to memory of 4080 4312 csrss.exe 146 PID 4312 wrote to memory of 4080 4312 csrss.exe 146 -
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\a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe"C:\Users\Admin\AppData\Local\Temp\a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Users\Admin\AppData\Local\Temp\a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.exe"C:\Users\Admin\AppData\Local\Temp\a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d.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:4316 -
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:4140
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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:1280 -
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:772
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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:748
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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:2008
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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:4312 -
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:1068
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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:1984
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4444
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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:4076
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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:3360
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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:1280
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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:2428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3704 -
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:3948 -
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:4180
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4080 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2024
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f868bc7ebbe9e1f474f2ea85c6761d57
SHA1ac54d11fe29b575eabe3549e27964c4df73f4bd5
SHA2561bd73972edd1d037443118fa0518238cb12f2e07c196807ef07e1b135d41db83
SHA5121eb12e116b3265588361b2431819cc4176fae841032f44a4ffe9719d7053339248f60435eb0d7c21de3622f2138bbc5e0bd605e74f045090b7bae28d3d4883b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6b9fa8841a15aeef5454902ebb4311d
SHA18c78fb58c2ab6acb4f927ef85f7e3ebd14203d3d
SHA256df80173a7a86797ddde82ad9e6769b6936e1d8fdc487bfd92ca12c24e1064f63
SHA5122475573fbde1e3d277797da8697d1fa2f98c92b5f4f3ce2d463f4bfbf7cb370b7eec667397ee6ed15fd703bf88e07e2c8294f0823cf05c79fd8575d0f40ecb8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c51d4e46147f901328ae0f6e28ec8bdc
SHA1b7f9c47d9b718a7ffa9c5392cc8afb0fbb0367e6
SHA256af3787c5f846e380138150bbd340104f71fbb2c66bade7c5dc7a175d6f247d21
SHA5129054a25fd25cbf1b3b5d2351ec5dc20731b4d92692f23a46c20f1083af3110aa71a8f40ee4cb69e5acd62abcf617bed363ae5603e54f64ef94f507d64da328d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5870f678340bb36ee563356083365db00
SHA1e3f4984e8e799d6e1c96220a5363d76dd93ae591
SHA25622f554652de9e7855a940bd7d6665f4f2fe9690e0d39fe7fd19d85464ab2c21a
SHA512428989d1c20eb4efbceb3d93711b02db7b2be65126c232c08a84a88678f6fb995d98600647422942ab0e19f5428e03f44893cc7c307712940e265dcf310ad851
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ddeab0f237d98c119873a112f114a75
SHA126b5743a61c78aaf8e1a6374c6afe7dc33f5c46d
SHA25672f2435363b773b94cabcb2f7576dbe4dc7edb9ae2dc509668de3790dae39994
SHA512918df6bdfb096c2c4ed540d094fb48eb0070efbffc78352e24362a5e62cd5d14d61f6f4cd92360bde9fb39e8a3c4702241f3c20361d6c71fe9d3b9c2eb7310d5
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Filesize
4.2MB
MD50997acbbbc3381514ecb206bf048ee3c
SHA16e06ecf321d39503e7c884092db9f87b0e266f21
SHA256a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d
SHA512dd82627601e2aacc79095503cf0c3396d37e80c8ade04da53d07376e581f3b9e288dcb6fbc941f75f20a5588a3bb921730cbedde4b852a0b303531accba68795
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Filesize
4.2MB
MD50997acbbbc3381514ecb206bf048ee3c
SHA16e06ecf321d39503e7c884092db9f87b0e266f21
SHA256a2e80e21f985e11156d3e18eac4d4eee875c56d261f01d81141e1dc38c98347d
SHA512dd82627601e2aacc79095503cf0c3396d37e80c8ade04da53d07376e581f3b9e288dcb6fbc941f75f20a5588a3bb921730cbedde4b852a0b303531accba68795
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec