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Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2023, 13:51
Static task
static1
General
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Target
de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe
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Size
4.1MB
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MD5
0dd37d32b2d15ce26ae5f7fd711b9d28
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SHA1
045e06d649c4562f50d860d62cf3ff5368c57447
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SHA256
de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4
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SHA512
cb87119cb8dd3ba70f41ac2122fff220096aa6ecc363aa04e97c4cf4f0513db38aa6119137c5778f0275c1f5ba4d75d8f757541065b24d304746868c1e2856d4
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SSDEEP
98304:gHeHXGGmYFuHsBIxknjn1eYgExLMY+GACXMAVfwuZ7:pH2GmouHsBIWnBAKBf1Z7
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4948-2-0x0000000002F50000-0x000000000383B000-memory.dmp family_glupteba behavioral1/memory/4948-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4948-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4948-27-0x0000000002F50000-0x000000000383B000-memory.dmp family_glupteba behavioral1/memory/4948-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4112-62-0x0000000002970000-0x0000000002D74000-memory.dmp family_glupteba behavioral1/memory/4112-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4112-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4112-158-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-242-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-262-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3080 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1540 csrss.exe 216 injector.exe 452 windefender.exe 2988 windefender.exe 3672 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e38-265.dat upx behavioral1/files/0x0007000000022e38-267.dat upx behavioral1/files/0x0007000000022e38-268.dat upx behavioral1/memory/452-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2988-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2988-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000c000000022cf8-285.dat upx behavioral1/files/0x000c000000022cf8-287.dat upx behavioral1/memory/2988-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3672-291-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3672-293-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe File created C:\Windows\rss\csrss.exe de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4996 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4276 4948 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 432 schtasks.exe 3116 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\1a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.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\1a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1480 powershell.exe 1480 powershell.exe 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 432 powershell.exe 432 powershell.exe 432 powershell.exe 4692 powershell.exe 4692 powershell.exe 4692 powershell.exe 1780 powershell.exe 1780 powershell.exe 1780 powershell.exe 448 powershell.exe 448 powershell.exe 448 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 1540 csrss.exe 1540 csrss.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 1540 csrss.exe 1540 csrss.exe 216 injector.exe 216 injector.exe 1540 csrss.exe 1540 csrss.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe 216 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Token: SeImpersonatePrivilege 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeSystemEnvironmentPrivilege 1540 csrss.exe Token: SeSecurityPrivilege 4996 sc.exe Token: SeSecurityPrivilege 4996 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4948 wrote to memory of 1480 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 96 PID 4948 wrote to memory of 1480 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 96 PID 4948 wrote to memory of 1480 4948 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 96 PID 4112 wrote to memory of 4512 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 106 PID 4112 wrote to memory of 4512 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 106 PID 4112 wrote to memory of 4512 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 106 PID 4112 wrote to memory of 2704 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 110 PID 4112 wrote to memory of 2704 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 110 PID 2704 wrote to memory of 3080 2704 cmd.exe 112 PID 2704 wrote to memory of 3080 2704 cmd.exe 112 PID 4112 wrote to memory of 432 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 114 PID 4112 wrote to memory of 432 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 114 PID 4112 wrote to memory of 432 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 114 PID 4112 wrote to memory of 4692 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 116 PID 4112 wrote to memory of 4692 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 116 PID 4112 wrote to memory of 4692 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 116 PID 4112 wrote to memory of 1540 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 118 PID 4112 wrote to memory of 1540 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 118 PID 4112 wrote to memory of 1540 4112 de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe 118 PID 1540 wrote to memory of 1780 1540 csrss.exe 119 PID 1540 wrote to memory of 1780 1540 csrss.exe 119 PID 1540 wrote to memory of 1780 1540 csrss.exe 119 PID 1540 wrote to memory of 448 1540 csrss.exe 125 PID 1540 wrote to memory of 448 1540 csrss.exe 125 PID 1540 wrote to memory of 448 1540 csrss.exe 125 PID 1540 wrote to memory of 3920 1540 csrss.exe 128 PID 1540 wrote to memory of 3920 1540 csrss.exe 128 PID 1540 wrote to memory of 3920 1540 csrss.exe 128 PID 1540 wrote to memory of 216 1540 csrss.exe 131 PID 1540 wrote to memory of 216 1540 csrss.exe 131 PID 452 wrote to memory of 4552 452 windefender.exe 140 PID 452 wrote to memory of 4552 452 windefender.exe 140 PID 452 wrote to memory of 4552 452 windefender.exe 140 PID 4552 wrote to memory of 4996 4552 cmd.exe 141 PID 4552 wrote to memory of 4996 4552 cmd.exe 141 PID 4552 wrote to memory of 4996 4552 cmd.exe 141 PID 1540 wrote to memory of 3672 1540 csrss.exe 146 PID 1540 wrote to memory of 3672 1540 csrss.exe 146 PID 1540 wrote to memory of 3672 1540 csrss.exe 146 -
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\de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe"C:\Users\Admin\AppData\Local\Temp\de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480
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C:\Users\Admin\AppData\Local\Temp\de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.exe"C:\Users\Admin\AppData\Local\Temp\de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4.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:4112 -
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:4512
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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:2704 -
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:3080
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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:432
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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:4692
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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:1540 -
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:1780
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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:3116
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1440
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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:448
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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:3920
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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:216
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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:432
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:452 -
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:4552 -
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:4996
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3672 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2512
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 7082⤵
- Program crash
PID:4276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4948 -ip 49481⤵PID:1844
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2988
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD518f13787bbcd7a78448b6be4fe2d6dfc
SHA1d5954de6af3d7c7bbffc6c4a0e8d7a4f026a8a68
SHA256df72c3b2fa944b7e8d9788e2ae00c59e48d40a511378c0bc140b41788228fbb5
SHA51238a8be15549081212db5b95dbd58fefaea7fd25fab1f7437e70c42698c913d09ea41348e9cbf6d8dd6471687cf8fd2322ec244b4378d9a6759f6d9a64594f7be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c1d32c23b3188d010244c9b45237d26
SHA1d4e8283369df3393e1d12fa4f1f6fc0900ef157a
SHA25644363c13df0ac81922b6659f7487f53e10eb8f455302c4d9501d63ec515119a4
SHA512fcee3d048d246196d8cb334b128a40f4adc9be0e22ded9d9a8fbf6a72fe10f6f60be72b2836b91a61a7d261cceefeaa7bc47e534ffd80ce15c73c0a9ce1b4a5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c582539ca47d076187062c1b91ae50b
SHA1f1ac0ffbb6b467957f665a8284a797a61cc3527c
SHA2561269f754bbe1b72ddec2856063e41a7ca6686004edce6e9d31263b9c5f1b35e8
SHA5125ef14964190d0af4177f8f1bb45479463b94b82a2c100c4c6738e58a28c40ca06c36ceac78a6dffe53f36cd550c224e668c3d44a3b19de8c4ed299e6f22914aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7c88bcebcfa67495257bde50913063f
SHA110535b2e7251c311fe246d374995184d28615259
SHA256049e86c8a38fb4498a11d5cfb8a58267278dbc50becfe3e3ceb84b9c040c8c65
SHA512300bb2babdfff9d19598bda3e3d7267e359f0e356f47f797a2d0c98fcb9fcf3a5da1783eb5f38cae01687655db0f1eb94c54742e75765d51433653781a0c3a4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c33f61c2b87c7bd4fcf28510ff2895e
SHA1933d0ce89b506bf6c2951ba1b7aefa86126b7e5f
SHA256c587d33a9c874f58153df7ffcdc5a9f47f86c120ec22f3fa41542d2fa97d1ab1
SHA5127acd7d386c9bb38de03ce8844fcc896cec3bdb1a026af87770910edb3e94117ccc5df92acc335e21f30865e2a2eb0724862ba5455f80181048e80167fadd99ee
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Filesize
4.1MB
MD50dd37d32b2d15ce26ae5f7fd711b9d28
SHA1045e06d649c4562f50d860d62cf3ff5368c57447
SHA256de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4
SHA512cb87119cb8dd3ba70f41ac2122fff220096aa6ecc363aa04e97c4cf4f0513db38aa6119137c5778f0275c1f5ba4d75d8f757541065b24d304746868c1e2856d4
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Filesize
4.1MB
MD50dd37d32b2d15ce26ae5f7fd711b9d28
SHA1045e06d649c4562f50d860d62cf3ff5368c57447
SHA256de0eb473b5a390c04b21173849cfbcc958cd90f05c5be65c0600e626635984a4
SHA512cb87119cb8dd3ba70f41ac2122fff220096aa6ecc363aa04e97c4cf4f0513db38aa6119137c5778f0275c1f5ba4d75d8f757541065b24d304746868c1e2856d4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec