Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 08:56
Static task
static1
Behavioral task
behavioral1
Sample
dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe
Resource
win10v2004-20240226-en
General
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Target
dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe
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Size
4.1MB
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MD5
8ab31d0941580f7d3260358186edace8
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SHA1
4d6967f08b66c98d12d96158fb29d62b8b0e1318
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SHA256
dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d
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SHA512
61c7fb4ed972511903754a72d18e465bd8bef0fa908079b4196681074c1820aae0357b5b014f7eaafd0af0a6e01dcbad664c29b169effd86b63b3d1aa230d27e
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SSDEEP
98304:gvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1d:gvC3DFSWO/BjYGk1PnXHoWWZ1za6Nd
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/5076-2-0x00000000044D0000-0x0000000004DBB000-memory.dmp family_glupteba behavioral1/memory/5076-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5076-25-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5076-31-0x00000000044D0000-0x0000000004DBB000-memory.dmp family_glupteba behavioral1/memory/5076-48-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5076-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5076-71-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5076-70-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4460-101-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4460-140-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4460-145-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-213-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-241-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-243-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-245-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-247-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-249-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-251-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1452-253-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 848 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1452 csrss.exe 4092 injector.exe 1724 windefender.exe 4144 windefender.exe -
resource yara_rule behavioral1/files/0x00030000000219e9-234.dat upx behavioral1/memory/1724-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1724-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 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 -
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 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe File created C:\Windows\rss\csrss.exe dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.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 4164 sc.exe -
pid Process 2592 powershell.exe 4084 powershell.exe 1380 powershell.exe 4700 powershell.exe 4572 powershell.exe 3164 powershell.exe 4936 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 5100 5076 WerFault.exe 90 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3872 schtasks.exe 3484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4572 powershell.exe 4572 powershell.exe 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 3164 powershell.exe 3164 powershell.exe 3164 powershell.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 4936 powershell.exe 4936 powershell.exe 4936 powershell.exe 2592 powershell.exe 2592 powershell.exe 2592 powershell.exe 4084 powershell.exe 4084 powershell.exe 4084 powershell.exe 1380 powershell.exe 1380 powershell.exe 1380 powershell.exe 4700 powershell.exe 4700 powershell.exe 4700 powershell.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 1452 csrss.exe 1452 csrss.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 1452 csrss.exe 1452 csrss.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 1452 csrss.exe 1452 csrss.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Token: SeImpersonatePrivilege 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 1452 csrss.exe Token: SeSecurityPrivilege 4164 sc.exe Token: SeSecurityPrivilege 4164 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5076 wrote to memory of 4572 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 92 PID 5076 wrote to memory of 4572 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 92 PID 5076 wrote to memory of 4572 5076 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 92 PID 4460 wrote to memory of 3164 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 103 PID 4460 wrote to memory of 3164 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 103 PID 4460 wrote to memory of 3164 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 103 PID 4460 wrote to memory of 1484 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 108 PID 4460 wrote to memory of 1484 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 108 PID 1484 wrote to memory of 848 1484 cmd.exe 110 PID 1484 wrote to memory of 848 1484 cmd.exe 110 PID 4460 wrote to memory of 4936 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 111 PID 4460 wrote to memory of 4936 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 111 PID 4460 wrote to memory of 4936 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 111 PID 4460 wrote to memory of 2592 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 113 PID 4460 wrote to memory of 2592 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 113 PID 4460 wrote to memory of 2592 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 113 PID 4460 wrote to memory of 1452 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 115 PID 4460 wrote to memory of 1452 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 115 PID 4460 wrote to memory of 1452 4460 dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe 115 PID 1452 wrote to memory of 4084 1452 csrss.exe 132 PID 1452 wrote to memory of 4084 1452 csrss.exe 132 PID 1452 wrote to memory of 4084 1452 csrss.exe 132 PID 1452 wrote to memory of 1380 1452 csrss.exe 123 PID 1452 wrote to memory of 1380 1452 csrss.exe 123 PID 1452 wrote to memory of 1380 1452 csrss.exe 123 PID 1452 wrote to memory of 4700 1452 csrss.exe 125 PID 1452 wrote to memory of 4700 1452 csrss.exe 125 PID 1452 wrote to memory of 4700 1452 csrss.exe 125 PID 1452 wrote to memory of 4092 1452 csrss.exe 127 PID 1452 wrote to memory of 4092 1452 csrss.exe 127 PID 1724 wrote to memory of 1820 1724 windefender.exe 133 PID 1724 wrote to memory of 1820 1724 windefender.exe 133 PID 1724 wrote to memory of 1820 1724 windefender.exe 133 PID 1820 wrote to memory of 4164 1820 cmd.exe 134 PID 1820 wrote to memory of 4164 1820 cmd.exe 134 PID 1820 wrote to memory of 4164 1820 cmd.exe 134 -
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\dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe"C:\Users\Admin\AppData\Local\Temp\dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572
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C:\Users\Admin\AppData\Local\Temp\dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.exe"C:\Users\Admin\AppData\Local\Temp\dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d.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:4460 -
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:3164
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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:1484 -
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:848
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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:4936
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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:2592
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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:1452 -
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:4084
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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:3872
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4708
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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:1380
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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:4700
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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:4092
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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:3484
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4084
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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:1820 -
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:4164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 8962⤵
- Program crash
PID:5100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5076 -ip 50761⤵PID:3632
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵PID:1260
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4144
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5656e4083a8fd13b2aa2c4bd33a9e9837
SHA15c0105588e7e77d06108b99f3ec1b65f21040ad4
SHA2561bde9ea9fc2176674ff2cfe7a2ca267cf5da73746134d6ab5cbc48db422a6152
SHA512a80f82c28a44f0ccd319609e633f9af59e28f302b7224a184dabd1d713cb528a3d09625753ae0aea270d5fbbab582b9b0a0df12e049610d3d022a875e97f66a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d65b76aa66582679ca65b35492697a5d
SHA1d6aaf47617d60bea217da12a5f42f34d99f337cb
SHA256522701b4ed98ed8004955ad9e77fef3bc9dd0ec8489ea8bb6a498a19cfeb3da8
SHA51203cf7ecfffe6725b24a4cb71eff8f978b432afadac23b2d58ac95b40cffd651cea2171cc1024c9cca24f0da0c30faca67f70a9b431f6ef8a650851f29a752498
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520cd813951517b3c4bd9fecd97f55ca2
SHA10fa78b91859d44e51b84d0dc1b0be2f06d8bd366
SHA256e883f7f73130dd70740b4325ff56586b17b185b0262f9a8ffbb498f75a0dbf70
SHA51224c7406e56158588f5d8916d10e15c116fc410c0abe673d73734742e393295cf6809b2289e6d8ae6413eb3cda927361e7a3120d27b1c3ce6e65740f27abe6841
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5701ffe64eb33683663bec27c7d9d9d7f
SHA190a6a54859336679a35cf67c2bbe09d134e4138f
SHA2565d56843adac9e189f86faceb418b12a1d40bf97aaa4522ddb181e7c84be97999
SHA512fd34da2c49a35239162fc238f81a3d1c9408f44625db5e54f186f6b3ee256e7a803baca663863a982f6eb56dc2c0cf990c395849b72aa171fcdc85a19c87dcbd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544162a7054f9cc2d346115c88d966f73
SHA11a6eaac2657cb288c17c84b47bc93d61d41deec8
SHA256243f31e47c5e690d95d48a922f26ca2690aa43c0421b5cc885436db0d1f8f7f0
SHA51212a09ceefd7fb3beeca9696cb141f35b961746fce46440320e92e68b126691f5c0f3916ba4bb7cdf61d22efaca5a4eea6f97ace3ef8b6442acd44e2e0ef3ece3
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Filesize
4.1MB
MD58ab31d0941580f7d3260358186edace8
SHA14d6967f08b66c98d12d96158fb29d62b8b0e1318
SHA256dc7f57eb82cd0c202261a392678b63fc119db54c625c969d42be13f2015b0c0d
SHA51261c7fb4ed972511903754a72d18e465bd8bef0fa908079b4196681074c1820aae0357b5b014f7eaafd0af0a6e01dcbad664c29b169effd86b63b3d1aa230d27e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec