Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe
Resource
win10v2004-20240508-en
General
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Target
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe
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Size
4.1MB
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MD5
1ce9a502533429c7a3d5831731c28107
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SHA1
1a15af2993ae38dd2604e5f649ac15b730f6dd1b
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SHA256
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794
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SHA512
59579e3327a226fffbe2b98a78b5c63edd0c8e43b9967866fa797f646e0c6ee90c1006714c8258b894b8a4057a3f3b18eb4acccfe3208ce81a9cb75ce6b54795
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SSDEEP
98304:0d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErj:mRMSLQaVNfPUP9FaqUIATxXaCdFFREnG
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/748-2-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral1/memory/748-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/748-57-0x0000000004C80000-0x000000000556B000-memory.dmp family_glupteba behavioral1/memory/748-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/748-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1228-69-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1228-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-162-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2744-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4156 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2744 csrss.exe 2140 injector.exe 2932 windefender.exe 1680 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023448-222.dat upx behavioral1/memory/2932-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1680-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2932-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1680-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1680-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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\"" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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 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 -
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 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe File created C:\Windows\rss\csrss.exe fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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 716 sc.exe -
pid Process 5036 powershell.exe 3800 powershell.exe 3088 powershell.exe 2576 powershell.exe 2852 powershell.exe 4028 powershell.exe 3484 powershell.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 4744 schtasks.exe 1988 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe 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,-42 = "E. South America Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific 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\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5036 powershell.exe 5036 powershell.exe 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 3800 powershell.exe 3800 powershell.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 3088 powershell.exe 3088 powershell.exe 2576 powershell.exe 2576 powershell.exe 2852 powershell.exe 2852 powershell.exe 4028 powershell.exe 4028 powershell.exe 3484 powershell.exe 3484 powershell.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2744 csrss.exe 2744 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2744 csrss.exe 2744 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2744 csrss.exe 2744 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5036 powershell.exe Token: SeDebugPrivilege 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Token: SeImpersonatePrivilege 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeSystemEnvironmentPrivilege 2744 csrss.exe Token: SeSecurityPrivilege 716 sc.exe Token: SeSecurityPrivilege 716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 748 wrote to memory of 5036 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 91 PID 748 wrote to memory of 5036 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 91 PID 748 wrote to memory of 5036 748 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 91 PID 1228 wrote to memory of 3800 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 1228 wrote to memory of 3800 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 1228 wrote to memory of 3800 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 1228 wrote to memory of 4604 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 101 PID 1228 wrote to memory of 4604 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 101 PID 4604 wrote to memory of 4156 4604 cmd.exe 103 PID 4604 wrote to memory of 4156 4604 cmd.exe 103 PID 1228 wrote to memory of 3088 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 104 PID 1228 wrote to memory of 3088 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 104 PID 1228 wrote to memory of 3088 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 104 PID 1228 wrote to memory of 2576 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 106 PID 1228 wrote to memory of 2576 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 106 PID 1228 wrote to memory of 2576 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 106 PID 1228 wrote to memory of 2744 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 108 PID 1228 wrote to memory of 2744 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 108 PID 1228 wrote to memory of 2744 1228 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 108 PID 2744 wrote to memory of 2852 2744 csrss.exe 109 PID 2744 wrote to memory of 2852 2744 csrss.exe 109 PID 2744 wrote to memory of 2852 2744 csrss.exe 109 PID 2744 wrote to memory of 4028 2744 csrss.exe 115 PID 2744 wrote to memory of 4028 2744 csrss.exe 115 PID 2744 wrote to memory of 4028 2744 csrss.exe 115 PID 2744 wrote to memory of 3484 2744 csrss.exe 117 PID 2744 wrote to memory of 3484 2744 csrss.exe 117 PID 2744 wrote to memory of 3484 2744 csrss.exe 117 PID 2744 wrote to memory of 2140 2744 csrss.exe 119 PID 2744 wrote to memory of 2140 2744 csrss.exe 119 PID 2932 wrote to memory of 5000 2932 windefender.exe 127 PID 2932 wrote to memory of 5000 2932 windefender.exe 127 PID 2932 wrote to memory of 5000 2932 windefender.exe 127 PID 5000 wrote to memory of 716 5000 cmd.exe 128 PID 5000 wrote to memory of 716 5000 cmd.exe 128 PID 5000 wrote to memory of 716 5000 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\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5036
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C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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:1228 -
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:3800
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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:4604 -
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:4156
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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:3088
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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:2576
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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:2744 -
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:2852
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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:1988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4416
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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:4028
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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:3484
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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:2140
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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:4744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2932 -
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:5000 -
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:716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1680
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562b7843b12185112a7c2eac7d5e934c4
SHA1dd295fa210c514869b35bdb800b6902e8f17cccc
SHA256276415bd33387450e90e2e086ff051433337640f575bd2204e67c957ba9d3760
SHA5129e086220b806941a237f4166668a8aba7d20ea98f7deaa8cf66029a8f154417adc78291498704b9f7fa41930552bde93d22773e50c5aa8ea2b3ea8d0c12cddc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524bbebabf0a2c9443d611261a1fb858f
SHA144499477490b909336fd68ace9e8946585ecc314
SHA2563e5f950524dc1416a83ad52cdfd960233c057e86330d8a31ca6cca7dd823f2d5
SHA51249491e4218bd2f1b7c05ef9a94948bc21ecceb63dde19fe595f62108409048fecee4e7685cf97a30c0f5e09fd3f27da858bd0f7c04921455493fc3659433c1fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a6fd47a2ec05d6fe502b1372aa5cceb
SHA104ccebb1923935b8d3e52649ff3d477894f12da0
SHA256bf9fa3e2760cde0dcc4d9289af0209314530962548800ee8785cd232b8b3a14b
SHA512020d4d0e167718fd55b079cf6be74d567d72da105a043183f6f34b8a18d71d9363b0b359f76283304a642744323fe261b7af64f93139c884118c9233b3939438
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f20ccd00f4aed0357516b538a9f6c360
SHA18faf98d100a051f80497f5769ca6c7da4d08dc3e
SHA25615211b50c09875996a5043f7076440aceac3fbdcac1300f6db7da596e089f5ef
SHA5125cb84a5bd2f307dd55acd1839a5c40920502e48d786099f4866219284fa6bfad2dfa9b92e77b563939a106099306ca0903696118a9319c02987b68a0ff8d4a3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a3df384a030682d7b831407ba0b03e2
SHA17e2a424adab4d22e2fa0d3bafedc3a1b13a808a8
SHA256a55859678d60784424883f637a043829af95fde57fa0b799e1b70c8c38c33132
SHA512412259ed26eb33190685154b0e8fe005ab5a684b48b97ab7ee5c6d210c408592cecb7dcfc967503df295142d5e9e6f97f3eeb6ea2ed15d92221b1405b749a447
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Filesize
4.1MB
MD51ce9a502533429c7a3d5831731c28107
SHA11a15af2993ae38dd2604e5f649ac15b730f6dd1b
SHA256fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794
SHA51259579e3327a226fffbe2b98a78b5c63edd0c8e43b9967866fa797f646e0c6ee90c1006714c8258b894b8a4057a3f3b18eb4acccfe3208ce81a9cb75ce6b54795
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec