Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:27
Static task
static1
Behavioral task
behavioral1
Sample
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe
Resource
win10v2004-20240426-en
General
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Target
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe
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Size
4.2MB
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MD5
fab944880dd7472302597aed29a4b9ce
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SHA1
a2d897b4a903392fef176ac205dcc48330d2994c
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SHA256
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a
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SHA512
5b2e470680e1ec67b5a38a07bae5bae7f8112b06cec5fc42249efa235ea64f9058f7596d046e042196749525def97018bd1b82a84ce6c1646ffb6a0e82699dec
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SSDEEP
98304:famOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG1h:fTy8Jy4o9ecZxQhwo8IinPG1h
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/544-2-0x0000000003E40000-0x000000000472B000-memory.dmp family_glupteba behavioral1/memory/544-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/544-104-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/544-146-0x0000000003E40000-0x000000000472B000-memory.dmp family_glupteba behavioral1/memory/4580-183-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-217-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-231-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-236-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-240-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-243-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-247-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-252-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-256-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-259-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-263-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-268-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2816-272-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2804 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2816 csrss.exe 4104 injector.exe 2812 windefender.exe 4532 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2812-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2812-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe -
Drops file in Windows directory 4 IoCs
Processes:
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe File created C:\Windows\rss\csrss.exe 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.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.
Processes:
sc.exepid process 756 sc.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 3332 schtasks.exe 4084 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.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\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.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 (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\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.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,-141 = "Canada Central 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\@tzres.dll,-652 = "AUS Central Standard Time" windefender.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt 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,-601 = "Taipei 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\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exepowershell.exe3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4004 powershell.exe 4004 powershell.exe 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4064 powershell.exe 4064 powershell.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe 4032 powershell.exe 4032 powershell.exe 3392 powershell.exe 3392 powershell.exe 3004 powershell.exe 3004 powershell.exe 4548 powershell.exe 4548 powershell.exe 4004 powershell.exe 4004 powershell.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 2816 csrss.exe 2816 csrss.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 2816 csrss.exe 2816 csrss.exe 4104 injector.exe 4104 injector.exe 2816 csrss.exe 2816 csrss.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4004 powershell.exe Token: SeDebugPrivilege 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Token: SeImpersonatePrivilege 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 4004 powershell.exe Token: SeSystemEnvironmentPrivilege 2816 csrss.exe Token: SeSecurityPrivilege 756 sc.exe Token: SeSecurityPrivilege 756 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 544 wrote to memory of 4004 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 544 wrote to memory of 4004 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 544 wrote to memory of 4004 544 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 4064 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 4064 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 4064 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 2460 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe cmd.exe PID 4580 wrote to memory of 2460 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe cmd.exe PID 2460 wrote to memory of 2804 2460 cmd.exe netsh.exe PID 2460 wrote to memory of 2804 2460 cmd.exe netsh.exe PID 4580 wrote to memory of 4032 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 4032 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 4032 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 3392 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 3392 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 3392 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe powershell.exe PID 4580 wrote to memory of 2816 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe csrss.exe PID 4580 wrote to memory of 2816 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe csrss.exe PID 4580 wrote to memory of 2816 4580 3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe csrss.exe PID 2816 wrote to memory of 3004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 3004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 3004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4548 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4548 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4548 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4004 2816 csrss.exe powershell.exe PID 2816 wrote to memory of 4104 2816 csrss.exe injector.exe PID 2816 wrote to memory of 4104 2816 csrss.exe injector.exe PID 2812 wrote to memory of 2364 2812 windefender.exe cmd.exe PID 2812 wrote to memory of 2364 2812 windefender.exe cmd.exe PID 2812 wrote to memory of 2364 2812 windefender.exe cmd.exe PID 2364 wrote to memory of 756 2364 cmd.exe sc.exe PID 2364 wrote to memory of 756 2364 cmd.exe sc.exe PID 2364 wrote to memory of 756 2364 cmd.exe sc.exe -
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\3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe"C:\Users\Admin\AppData\Local\Temp\3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4004
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C:\Users\Admin\AppData\Local\Temp\3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.exe"C:\Users\Admin\AppData\Local\Temp\3abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a.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:4580 -
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:4064
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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:2460 -
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:2804
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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:4032
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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:3392
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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:2816 -
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:3004
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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:3332
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1336
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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:4548
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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:4004
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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:4104
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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:4084
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2812 -
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:2364 -
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:756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4532
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
MD5f831b08f6b36f427d15ab29313806007
SHA131f018fe9c7eb8abc43f31585a5cbb98ee9a04af
SHA256a776591d74c55ef0b36172992bdbf2a984aada6a72c22dbf269ef9c1ecf15485
SHA5129c0f2b80133dddbebf04167519afb06bace0d85bb826637c95a7496c65cca57f2ad8f37fb10d3c6ef8beb8db1ec19eded04b3d82dd4c72b2637ad5e38fde0a52
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1f68add382401cf027580f9bea54102
SHA1c3b49dbae7942e2cbe1febf83d3aadd073841713
SHA256028dcc7308576da256724cca40c5f8dfecea989a145e38ccaa82dd8649a5a7b0
SHA512bd940d7252bb4840774c50ad6d88a2be9ca8ba0cefee7c6b99b54d42d09167598afd101320f1c0449bc14ef10b4bb1ffa8ce1e7056af75fa76459c018e06dff2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53508e24d269ce929cb3771740c162c55
SHA19420617e2aec0af98b3dab800fd22297893302d4
SHA256464be30fa58ecca786b9d2d3e8c8f3efb4e087a64f9e716dbd8b19b2ef539766
SHA5124635116e92b8908becbd130ca1728962d8b7bfc7d1fa3cbc620859cbd0b6a01e5b354370929a55ff0ba248ba3468a2ca3de3e0e7768e0b0df354c890e8e3de70
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5052392ba6a975536c2156c22412cfc59
SHA16bfd884a03c34e051fb50d13c7f084adf975bc2c
SHA256daa67f47ecac3fa84be9b2f0903df955bb54bd34e4d6335b2f8c7d1e799f11a0
SHA512a1e361aa3c4094c0b2441788093632e3da11fabe5415c2efdfd960763133d17b640d623909ff47fb6a39923811a71404e8a604d503adc4388afb366e15cdf738
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fee68daf259ed940858eca93a85a80b7
SHA10b34c81853100ddd4a54e998cb4a2032e1b1a254
SHA256fec17262575616b64b67ae91a1e15d089e12dbf695c763f68f0cb9c816ec63cb
SHA512fccb2e5c9c0b7e6bea60d0c1507d293a5768a9be21fa3bbbd736e5b6499c24e9348bf882f2b03dcd4cdbf20c3372037cf48c6d63d851c385986de9e535f94d8a
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Filesize
4.2MB
MD5fab944880dd7472302597aed29a4b9ce
SHA1a2d897b4a903392fef176ac205dcc48330d2994c
SHA2563abe4ce95ba3f8e47a81216062d8bb06f85da7a3f249e74f5b9794c19991c46a
SHA5125b2e470680e1ec67b5a38a07bae5bae7f8112b06cec5fc42249efa235ea64f9058f7596d046e042196749525def97018bd1b82a84ce6c1646ffb6a0e82699dec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec