Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 19:26
Static task
static1
Behavioral task
behavioral1
Sample
3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe
Resource
win10v2004-20240508-en
General
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Target
3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe
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Size
4.1MB
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MD5
d4401e8b144c3160f0a550e49a8460ca
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SHA1
609d351075b6c2bff10cc8d329edd340585e8289
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SHA256
3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855
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SHA512
989c5fc914235df7861fd47d69ea61d976a1ce71d73a74cd73f3c5c5d1243bfa5bb598c07326b6719ec896a485a1b7446cabfa02d8c1663d2aa90c2665b54092
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SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJU:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/240-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-54-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/240-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2988-121-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2988-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-204-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/976-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 720 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 976 csrss.exe 2468 injector.exe 1960 windefender.exe 1880 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3b-207.dat upx behavioral2/memory/1960-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1960-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1880-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1880-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1880-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 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 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 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe File created C:\Windows\rss\csrss.exe 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.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 1724 sc.exe -
pid Process 1528 powershell.exe 4220 powershell.exe 3324 powershell.exe 4592 powershell.exe 4728 powershell.exe 4956 powershell.exe 3564 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 3276 schtasks.exe 72 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,-2432 = "Cuba Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.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\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1528 powershell.exe 1528 powershell.exe 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 4220 powershell.exe 4220 powershell.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 3324 powershell.exe 3324 powershell.exe 4592 powershell.exe 4592 powershell.exe 4728 powershell.exe 4728 powershell.exe 4956 powershell.exe 4956 powershell.exe 3564 powershell.exe 3564 powershell.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 976 csrss.exe 976 csrss.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 976 csrss.exe 976 csrss.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 976 csrss.exe 976 csrss.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe 2468 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Token: SeImpersonatePrivilege 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe Token: SeDebugPrivilege 4220 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeSystemEnvironmentPrivilege 976 csrss.exe Token: SeSecurityPrivilege 1724 sc.exe Token: SeSecurityPrivilege 1724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 240 wrote to memory of 1528 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 81 PID 240 wrote to memory of 1528 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 81 PID 240 wrote to memory of 1528 240 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 81 PID 2988 wrote to memory of 4220 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 87 PID 2988 wrote to memory of 4220 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 87 PID 2988 wrote to memory of 4220 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 87 PID 2988 wrote to memory of 4424 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 89 PID 2988 wrote to memory of 4424 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 89 PID 4424 wrote to memory of 720 4424 cmd.exe 91 PID 4424 wrote to memory of 720 4424 cmd.exe 91 PID 2988 wrote to memory of 3324 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 92 PID 2988 wrote to memory of 3324 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 92 PID 2988 wrote to memory of 3324 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 92 PID 2988 wrote to memory of 4592 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 94 PID 2988 wrote to memory of 4592 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 94 PID 2988 wrote to memory of 4592 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 94 PID 2988 wrote to memory of 976 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 96 PID 2988 wrote to memory of 976 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 96 PID 2988 wrote to memory of 976 2988 3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe 96 PID 976 wrote to memory of 4728 976 csrss.exe 97 PID 976 wrote to memory of 4728 976 csrss.exe 97 PID 976 wrote to memory of 4728 976 csrss.exe 97 PID 976 wrote to memory of 4956 976 csrss.exe 102 PID 976 wrote to memory of 4956 976 csrss.exe 102 PID 976 wrote to memory of 4956 976 csrss.exe 102 PID 976 wrote to memory of 3564 976 csrss.exe 105 PID 976 wrote to memory of 3564 976 csrss.exe 105 PID 976 wrote to memory of 3564 976 csrss.exe 105 PID 976 wrote to memory of 2468 976 csrss.exe 107 PID 976 wrote to memory of 2468 976 csrss.exe 107 PID 1960 wrote to memory of 4996 1960 windefender.exe 113 PID 1960 wrote to memory of 4996 1960 windefender.exe 113 PID 1960 wrote to memory of 4996 1960 windefender.exe 113 PID 4996 wrote to memory of 1724 4996 cmd.exe 114 PID 4996 wrote to memory of 1724 4996 cmd.exe 114 PID 4996 wrote to memory of 1724 4996 cmd.exe 114 -
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\3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe"C:\Users\Admin\AppData\Local\Temp\3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Users\Admin\AppData\Local\Temp\3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.exe"C:\Users\Admin\AppData\Local\Temp\3688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855.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:2988 -
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:4220
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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:4424 -
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:720
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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:3324
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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:4592
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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:976 -
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:4728
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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:3276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4608
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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:4956
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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:3564
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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:2468
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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:72
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1960 -
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:4996 -
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:1724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1880
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b7cc4e43eecb5e704d0aecfe5553e9e
SHA11cbaa73481680fbfbf3fcb87a36b844e053d68d0
SHA256c2b7e42f13fb015119723babf6e7ad5cf053a688b7cbdb3e158281b0634901a8
SHA5122ef7527156a40b515e28f74017fb79c4bae3af3a83bc1812b921daf3cfb427fa18f58b4c163ea8951aa5b49c5546e3f3b9ea8843ca6cc20fc588ebd91af611ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e11fdf758aa987714167ad5f4a7db321
SHA1641d72bf2afde8a4959ae82d171e6ad49369b8fb
SHA2567d73eb8a458ab5d7c58ca4d918f99e247b74c35fb3f2e63a6036cc76cc95a37d
SHA5127416057e42c06977370f4b6de6f29f0ec19d0833fc63d5fde5b7fb5b86d3ef97251b12e6b6d0ff99c37a38e97d40ee7c4caa3e9f13a80be09f023df464986ac7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bec347c5f4490ecbbd5c261a6fa1147d
SHA13b5059cfe8d034316feeba30f0de0ccb7772520d
SHA2563751cc9892e86b40fffa899bae722b93069d7d670889c60310643c9ff4812deb
SHA51211534bc60d4924946da857406ce22888f8d70737d86d30e483714cd8b9a9d324dc495a647520d3f834affb2b8b1f1aba64d6cd1b264c84dbfef4eb1f620756e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5849fc9fd5d054be597e6a33120011ed3
SHA13a3ada54f61b10950f3cd82baf0ce5910109effa
SHA2566bb9c566b20e09b71a05e8b67274dcefa4cbfe84b5167234b4fdbc2868fb8e52
SHA512beb0d1cfaf71ab8f9af95060dfad12665df31c32fe90a7fb577b420b4051bc08d5a3489d34460423ce0c35fad625a874d1454dd30b3fba5570faf07e695aaa58
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aca34a9d6046449c113b0644e38303fb
SHA1f33607b462cd6a5b1059bebb7d2aae22cbf5fce0
SHA25608ccb90f8439d124df2af10b3257db33c3d8de79a1da96bf7ee7573a4aeabef5
SHA512b06149c91e4893460d438d639e71a863f4847cc5b41db1710ac3388c8bec0992354f6d402a75f2e2dcdcf962f56c02d8c25a63ccf20c0e0bb8a6c6030c2887c1
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Filesize
4.1MB
MD5d4401e8b144c3160f0a550e49a8460ca
SHA1609d351075b6c2bff10cc8d329edd340585e8289
SHA2563688d5f82c867fe0bfcbcad12ae65b6de56e64117b83ded034ae798ef2b0f855
SHA512989c5fc914235df7861fd47d69ea61d976a1ce71d73a74cd73f3c5c5d1243bfa5bb598c07326b6719ec896a485a1b7446cabfa02d8c1663d2aa90c2665b54092
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec