Analysis
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max time kernel
149s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe
Resource
win10v2004-20240426-en
General
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Target
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe
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Size
4.1MB
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MD5
552ff26915acd17aee9b2656174a416d
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SHA1
41f2af95f8c6d246a45195ab0a8595b6854329d2
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SHA256
f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f
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SHA512
65bb0e138be1b68fb332aa06e643c561c0615fc45df8c3b99d7e686731a6b9810b795d93d9327714fae50b85b10e03aa7826defa13162a42de1e3fd5be512efa
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SSDEEP
98304:DlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzO:Z7B3j0rWdEQQ059Cfd4xbkE91Kma
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2684-2-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/2684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2684-55-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2684-66-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/2684-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4384-135-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-216-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-228-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-244-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-248-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-252-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-255-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-259-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-263-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3956-268-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4048 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3956 csrss.exe 4136 injector.exe 3636 windefender.exe 4396 windefender.exe -
resource yara_rule behavioral1/files/0x000e000000023389-219.dat upx behavioral1/memory/3636-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3636-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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.
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 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe File created C:\Windows\rss\csrss.exe f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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 4980 sc.exe -
pid Process 2688 powershell.exe 1500 powershell.exe 1600 powershell.exe 2744 powershell.exe 728 powershell.exe 4112 powershell.exe 4852 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 3008 schtasks.exe 3464 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,-222 = "Alaskan Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-2411 = "Marquesas Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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\Root powershell.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,-2182 = "Astrakhan Standard 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\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2688 powershell.exe 2688 powershell.exe 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1500 powershell.exe 1500 powershell.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 1600 powershell.exe 1600 powershell.exe 2744 powershell.exe 2744 powershell.exe 728 powershell.exe 728 powershell.exe 4112 powershell.exe 4112 powershell.exe 4852 powershell.exe 4852 powershell.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 3956 csrss.exe 3956 csrss.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 3956 csrss.exe 3956 csrss.exe 4136 injector.exe 4136 injector.exe 3956 csrss.exe 3956 csrss.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe 4136 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Token: SeImpersonatePrivilege 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeSystemEnvironmentPrivilege 3956 csrss.exe Token: SeSecurityPrivilege 4980 sc.exe Token: SeSecurityPrivilege 4980 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2688 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 2684 wrote to memory of 2688 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 2684 wrote to memory of 2688 2684 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 93 PID 4384 wrote to memory of 1500 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 99 PID 4384 wrote to memory of 1500 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 99 PID 4384 wrote to memory of 1500 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 99 PID 4384 wrote to memory of 1632 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 101 PID 4384 wrote to memory of 1632 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 101 PID 1632 wrote to memory of 4048 1632 cmd.exe 103 PID 1632 wrote to memory of 4048 1632 cmd.exe 103 PID 4384 wrote to memory of 1600 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 104 PID 4384 wrote to memory of 1600 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 104 PID 4384 wrote to memory of 1600 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 104 PID 4384 wrote to memory of 2744 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 106 PID 4384 wrote to memory of 2744 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 106 PID 4384 wrote to memory of 2744 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 106 PID 4384 wrote to memory of 3956 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 108 PID 4384 wrote to memory of 3956 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 108 PID 4384 wrote to memory of 3956 4384 f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe 108 PID 3956 wrote to memory of 728 3956 csrss.exe 109 PID 3956 wrote to memory of 728 3956 csrss.exe 109 PID 3956 wrote to memory of 728 3956 csrss.exe 109 PID 3956 wrote to memory of 4112 3956 csrss.exe 115 PID 3956 wrote to memory of 4112 3956 csrss.exe 115 PID 3956 wrote to memory of 4112 3956 csrss.exe 115 PID 3956 wrote to memory of 4852 3956 csrss.exe 117 PID 3956 wrote to memory of 4852 3956 csrss.exe 117 PID 3956 wrote to memory of 4852 3956 csrss.exe 117 PID 3956 wrote to memory of 4136 3956 csrss.exe 120 PID 3956 wrote to memory of 4136 3956 csrss.exe 120 PID 3636 wrote to memory of 5008 3636 windefender.exe 127 PID 3636 wrote to memory of 5008 3636 windefender.exe 127 PID 3636 wrote to memory of 5008 3636 windefender.exe 127 PID 5008 wrote to memory of 4980 5008 cmd.exe 128 PID 5008 wrote to memory of 4980 5008 cmd.exe 128 PID 5008 wrote to memory of 4980 5008 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\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688
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C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.exe"C:\Users\Admin\AppData\Local\Temp\f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f.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:4384 -
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:1500
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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:1632 -
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:4048
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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:1600
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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:2744
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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:3956 -
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:728
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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:3008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3732
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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:4112
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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:4852
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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:4136
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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:3464
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3636 -
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:5008 -
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:4980
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4396
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
MD5282debfb81726707acaf2359fd2fc85f
SHA1ba98d5b96684e339e58cb4a15e03d449349799ef
SHA256e098e5508f6bf9ead463f9d98eb1f91f78753b7477351442a6c0e53543e8c00a
SHA5125d32159b9000ab85d102fcb6176efe2bf039a053ed09de4fafb034e22dce9704532fd8b62583f020fdb30d13a0e5ba75d6b2bc45ea30b6e67a7b03196b2cab81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b6654f162ad7a738e3f2088b66fd84b
SHA162bc746d6aed4f37a2561cc0f5ec7fcb3a0c8025
SHA256c06bb6daecaf16d64de69236c6ad08a57c7f0b7c5db43647876793d005c086f3
SHA5123cf51afaef7c4bb059f3335a3d934a5e886c8c376f2f8bdcae79cb29efcf712da0ff1fa7597598e3a13bf5a64b3e1a56f51145b4b9c4bb30178ae882c629a11d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4a6fbacf1bf922cdf1253fee3796989
SHA1abf0ed128302bb0003ea55c53d25548adee38374
SHA2564302f7e7ffe7ba85860faf7b069f23df99c5e663afa752716d5a328dae333755
SHA512db0bbaddf591498ab403c3b8e5dc8036d35dbfa074ef3a24951ed6b9594fc8b4b341d6e54725e6410d139ca18491dbdc14ba8edbab549703af17335ba42c7302
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a003dc6d8113a3c71cc6dfbd5b67c3b4
SHA11f4eb63a1f5bc8ba5e07fe7695a49262dc0123a8
SHA25611511f9b90306451fa520f62ca70c442bbd8719419ac4cf38b6f7e078ae2c077
SHA512bfde9d7ec601c60127325ea3554b3d67d89fcb437ff6d3d21ee3243cfd977eb122abe69837ddbd59329a670e3717d082a3129c5c5b2d2800bd26f548775ee322
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57635eb870a913e6c7f122d28454cac66
SHA19abfa7c803b63b784640d89768ff7d6f34d490b2
SHA256d2517b61da88450a1d99aa157398d719dbd4e53f00861c2b8bdc4904b49476a8
SHA512562797b17bf153d67f1fb501cf445a395bf0310495581d844e491aba15ba99682ae1dfabaf06aac7b45b8265ad87a66d3ec361c93d80cf64be8fa9beb8212ac1
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Filesize
4.1MB
MD5552ff26915acd17aee9b2656174a416d
SHA141f2af95f8c6d246a45195ab0a8595b6854329d2
SHA256f9ed968abe42df12d7e841b564e5ca673f694ed8901c414e6f7476bc349d562f
SHA51265bb0e138be1b68fb332aa06e643c561c0615fc45df8c3b99d7e686731a6b9810b795d93d9327714fae50b85b10e03aa7826defa13162a42de1e3fd5be512efa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec