Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 04:27
Static task
static1
Behavioral task
behavioral1
Sample
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe
Resource
win10v2004-20240508-en
General
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Target
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe
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Size
4.1MB
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MD5
9ed4706a873d4e398654889fa1c48e3a
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SHA1
18d8055ab8e4609cf7b4d6fdff4d1a51b60f09fc
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SHA256
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e
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SHA512
ed72ffcb8148fad05f95a012bbbd64ce210a5cc63330909f2a3b16f5b7a1ed22a84f6781915975e05ebca5b397a03a042fc92b8b53c0612a54c86231bb699ee6
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SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcd:pI9hoq9wC6uGlB/xgd
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3252-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/3252-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4684-56-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3252-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3252-84-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4684-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1148 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3828 csrss.exe 3960 injector.exe 3956 windefender.exe 4592 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023423-219.dat upx behavioral1/memory/3956-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4592-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3956-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4592-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4592-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe File created C:\Windows\rss\csrss.exe f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4224 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3684 powershell.exe 4332 powershell.exe 1136 powershell.exe 768 powershell.exe 4032 powershell.exe 808 powershell.exe 4940 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4724 schtasks.exe 4776 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4940 powershell.exe 4940 powershell.exe 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 3684 powershell.exe 3684 powershell.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4332 powershell.exe 4332 powershell.exe 1136 powershell.exe 1136 powershell.exe 768 powershell.exe 768 powershell.exe 4032 powershell.exe 4032 powershell.exe 808 powershell.exe 808 powershell.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3828 csrss.exe 3828 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3828 csrss.exe 3828 csrss.exe 3960 injector.exe 3960 injector.exe 3828 csrss.exe 3828 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Token: SeImpersonatePrivilege 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 808 powershell.exe Token: SeSystemEnvironmentPrivilege 3828 csrss.exe Token: SeSecurityPrivilege 4224 sc.exe Token: SeSecurityPrivilege 4224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3252 wrote to memory of 4940 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 87 PID 3252 wrote to memory of 4940 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 87 PID 3252 wrote to memory of 4940 3252 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 87 PID 4684 wrote to memory of 3684 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 98 PID 4684 wrote to memory of 3684 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 98 PID 4684 wrote to memory of 3684 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 98 PID 4684 wrote to memory of 2956 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 101 PID 4684 wrote to memory of 2956 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 101 PID 2956 wrote to memory of 1148 2956 cmd.exe 103 PID 2956 wrote to memory of 1148 2956 cmd.exe 103 PID 4684 wrote to memory of 4332 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 104 PID 4684 wrote to memory of 4332 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 104 PID 4684 wrote to memory of 4332 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 104 PID 4684 wrote to memory of 1136 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 107 PID 4684 wrote to memory of 1136 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 107 PID 4684 wrote to memory of 1136 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 107 PID 4684 wrote to memory of 3828 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 109 PID 4684 wrote to memory of 3828 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 109 PID 4684 wrote to memory of 3828 4684 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 109 PID 3828 wrote to memory of 768 3828 csrss.exe 110 PID 3828 wrote to memory of 768 3828 csrss.exe 110 PID 3828 wrote to memory of 768 3828 csrss.exe 110 PID 3828 wrote to memory of 4032 3828 csrss.exe 116 PID 3828 wrote to memory of 4032 3828 csrss.exe 116 PID 3828 wrote to memory of 4032 3828 csrss.exe 116 PID 3828 wrote to memory of 808 3828 csrss.exe 118 PID 3828 wrote to memory of 808 3828 csrss.exe 118 PID 3828 wrote to memory of 808 3828 csrss.exe 118 PID 3828 wrote to memory of 3960 3828 csrss.exe 120 PID 3828 wrote to memory of 3960 3828 csrss.exe 120 PID 3956 wrote to memory of 2232 3956 windefender.exe 127 PID 3956 wrote to memory of 2232 3956 windefender.exe 127 PID 3956 wrote to memory of 2232 3956 windefender.exe 127 PID 2232 wrote to memory of 4224 2232 cmd.exe 128 PID 2232 wrote to memory of 4224 2232 cmd.exe 128 PID 2232 wrote to memory of 4224 2232 cmd.exe 128 -
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\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4940
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C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.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:4684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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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:2956 -
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:1148
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136
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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:3828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:768
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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:4724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:808
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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:3960
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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:4776
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3956 -
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:2232 -
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:4224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4592
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5935dbe339b024849ae98f17e5da6837e
SHA1bca87d701ec31694f01062b3f715a05cd3ecf042
SHA25677a9b7c45f6b1992a7a73bac45d29393739ebb113a1250c015e1f197158e3616
SHA5127b93e006cba931110b2621d96020aaf06b4d91a1b806df6f599837880f39ff9820e9aef5fe4c16340a96a8825783dddc21b05f6f6c31ebd6cdba71d8ffd9d22e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac800788ee1fc88687b55a4783cb8ce0
SHA1f252e4ac1c47d8e01398d45dc2f2c2c0276f47e0
SHA256d2efc372566c56e2e00b8b677defa76cdb932ef5d3a1b5e86b56eddfef6b78a6
SHA5121880df022ce70bb31c13a4cd81e86d50414befcf6157a9bfe7abae54f024af6b862c8d0f8399d263a5cdd2fb2f1fa33d801ec36643eabac3910c3f51ae842956
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efca3a3bc3273c5e78c36eb86f54350b
SHA1d1c9a6458b5b28abc1192c07af5ad6e067274a89
SHA2564e2829aeb05d5dde3ed739c891effa98fe5c471b901e913b75cedb1116c7ce36
SHA512f7be2b0853a062c0a996675101de6b675259cdfcc9588f31bc2d72283ebd741cbca1bbdc71040daeaecc64859001ff840861648c86d37514ab2a92a5dbdd5085
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc9d54791ef8daa1f91c57130e6b9666
SHA12fbdfeea26201892151c1e5ad53509f791c194ea
SHA256f1345d2b6ccd41fc0394907595206fd64af03d118d82cb095dbaec2ee3cd0e81
SHA512b272bbec7f42b88bddd2e05744e9fbd4a2612927336a5cf19616985408b8ee4eb0b97b30d7e51b2de1d429daab780721b25afaae80124a7b58f781778c527342
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d5647fa7ea13449403200c6f586e2d8
SHA124e27d4083337b25614aeccd8fc4ce5ebc9f81f2
SHA25612eca0b75548a3bfdf131e0a03e47f1e54fd8c0d0580b3ff7a6fcd545a447878
SHA5125fa68dcaa438638c4ae5026edc5bb62d30c9ff8d1cabba053c74ac01dd91f5dde62f23c9562143cdbabf02fa91a704c8edb6c85c92d7c80a8a38ee3a9483f21d
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Filesize
4.1MB
MD59ed4706a873d4e398654889fa1c48e3a
SHA118d8055ab8e4609cf7b4d6fdff4d1a51b60f09fc
SHA256f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e
SHA512ed72ffcb8148fad05f95a012bbbd64ce210a5cc63330909f2a3b16f5b7a1ed22a84f6781915975e05ebca5b397a03a042fc92b8b53c0612a54c86231bb699ee6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec