Analysis
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max time kernel
149s -
max time network
156s -
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 19:14
Static task
static1
Behavioral task
behavioral1
Sample
8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe
Resource
win10v2004-20240508-en
General
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Target
8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe
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Size
4.1MB
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MD5
9957a171ecfa0ad0b82fe384815020de
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SHA1
b486661924b6545a67e1da3a771eb109b067ce10
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SHA256
8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7
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SHA512
f3f98cc7e11c0c4a5fa61fd6a761ec10ae26b77dc30f33a4a601eadf17363c6b2570410454f912f17587fd7ba6a36c1a594a6205f0286dd0282285e413e7823d
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SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJk:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2528-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/2528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-54-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/2528-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2456-111-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2456-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-200-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3052-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2364 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3052 csrss.exe 3568 injector.exe 2152 windefender.exe 3220 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ae-208.dat upx behavioral2/memory/2152-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3220-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2152-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3220-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3220-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.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 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe File created C:\Windows\rss\csrss.exe 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3920 sc.exe -
pid Process 3392 powershell.exe 400 powershell.exe 1148 powershell.exe 3636 powershell.exe 3412 powershell.exe 1252 powershell.exe 4328 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3968 2528 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4584 schtasks.exe 1188 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.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,-181 = "Mountain Daylight Time (Mexico)" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.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\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4328 powershell.exe 4328 powershell.exe 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 3392 powershell.exe 3392 powershell.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 400 powershell.exe 400 powershell.exe 1148 powershell.exe 1148 powershell.exe 3636 powershell.exe 3636 powershell.exe 3412 powershell.exe 3412 powershell.exe 1252 powershell.exe 1252 powershell.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3052 csrss.exe 3052 csrss.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3052 csrss.exe 3052 csrss.exe 3568 injector.exe 3568 injector.exe 3052 csrss.exe 3052 csrss.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe 3568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Token: SeImpersonatePrivilege 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeDebugPrivilege 1252 powershell.exe Token: SeSystemEnvironmentPrivilege 3052 csrss.exe Token: SeSecurityPrivilege 3920 sc.exe Token: SeSecurityPrivilege 3920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2528 wrote to memory of 4328 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 78 PID 2528 wrote to memory of 4328 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 78 PID 2528 wrote to memory of 4328 2528 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 78 PID 2456 wrote to memory of 3392 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 86 PID 2456 wrote to memory of 3392 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 86 PID 2456 wrote to memory of 3392 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 86 PID 2456 wrote to memory of 1000 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 88 PID 2456 wrote to memory of 1000 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 88 PID 1000 wrote to memory of 2364 1000 cmd.exe 90 PID 1000 wrote to memory of 2364 1000 cmd.exe 90 PID 2456 wrote to memory of 400 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 91 PID 2456 wrote to memory of 400 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 91 PID 2456 wrote to memory of 400 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 91 PID 2456 wrote to memory of 1148 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 93 PID 2456 wrote to memory of 1148 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 93 PID 2456 wrote to memory of 1148 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 93 PID 2456 wrote to memory of 3052 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 95 PID 2456 wrote to memory of 3052 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 95 PID 2456 wrote to memory of 3052 2456 8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe 95 PID 3052 wrote to memory of 3636 3052 csrss.exe 96 PID 3052 wrote to memory of 3636 3052 csrss.exe 96 PID 3052 wrote to memory of 3636 3052 csrss.exe 96 PID 3052 wrote to memory of 3412 3052 csrss.exe 102 PID 3052 wrote to memory of 3412 3052 csrss.exe 102 PID 3052 wrote to memory of 3412 3052 csrss.exe 102 PID 3052 wrote to memory of 1252 3052 csrss.exe 104 PID 3052 wrote to memory of 1252 3052 csrss.exe 104 PID 3052 wrote to memory of 1252 3052 csrss.exe 104 PID 3052 wrote to memory of 3568 3052 csrss.exe 106 PID 3052 wrote to memory of 3568 3052 csrss.exe 106 PID 2152 wrote to memory of 3392 2152 windefender.exe 112 PID 2152 wrote to memory of 3392 2152 windefender.exe 112 PID 2152 wrote to memory of 3392 2152 windefender.exe 112 PID 3392 wrote to memory of 3920 3392 cmd.exe 113 PID 3392 wrote to memory of 3920 3392 cmd.exe 113 PID 3392 wrote to memory of 3920 3392 cmd.exe 113 -
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\8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe"C:\Users\Admin\AppData\Local\Temp\8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4328
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C:\Users\Admin\AppData\Local\Temp\8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.exe"C:\Users\Admin\AppData\Local\Temp\8a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7.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:2456 -
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:3392
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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:1000 -
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:2364
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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:400
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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:1148
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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:3052 -
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:3636
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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:4584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1072
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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:3412
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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:1252
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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:3568
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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:1188
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2152 -
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:3392 -
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:3920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 8682⤵
- Program crash
PID:3968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2528 -ip 25281⤵PID:3852
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3220
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
MD5f3d788c139f52a8988f0f38f320df477
SHA186098f3f79a7e5df3a2ff7068529bf599baf9816
SHA256c124c28d9ceecd0201d2c9d2fa7babf84ab0c1fa47dc9d09449e9f8c00ba98f3
SHA512c7d9808001d33c218692815e586de35164bc32d441ff1ff01531a4d96ede32326159e8d0a8f36401dc230f56b3eea6aae42b9555588da325db386ccf76d1c14f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4dbe03c20aaf97c57ce72873b624b87
SHA1beb26b2c0dc429cba70d70ed2ffc95f553e56cf0
SHA2568faea6e4cbcfb4066083b3824822891e3ac8525a7960739d73bd319b1550cc32
SHA5125a9c502a2a5f1b9b441cfd01b3acbdc57f628ddc1c243508d5734e8c3742a866c1391632aa719077bcb332b9cc6d2ef1313698c2695303f5a995d0e51d814a2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5028ee8fd5759528175d5d1db0976710c
SHA1b208001a39f56dc3ef80b365e7b41da715a8dd5f
SHA25683b3e92d60f6dc647b16f99615c1088a71d0eed9274c08d22968bd3bdf2fec35
SHA5121fd3ecce57e3bcc535ac53013b915d62a9a4142ec960f16ff4e9d5dab4ca75d60f069cab9ba7e4cada77ec3ab608ed9ca0c881b26b2212a24040fa4ce2bcdb88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb955be11c87ed07e7c0ddcf4d29c9e0
SHA153af8a20c6486568433832e2a67ac764e6103002
SHA2563cbcec0987792fe828acc2dcea5cca6763f62dff0ad2a900e2b85a04add4564b
SHA512a640fd487a66d61d7ad4031eed18eeb81d480cb1914bb3d0dadf883def2458af96d8d3d7cd4f2274aa5008c3321a0e36a62e2d7747d6ec8a49f990036aab4070
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59db06917f47f39784e759d243d7fb109
SHA174a74d3f37f53ef6c4c7a503b901ed49b230f502
SHA25641b24a800580a0e2c059234ae6294a5f4c31112b92293fabb13e0fe176d5d2c3
SHA51266ef1ab1a7b04b9804959c4c8ed045eccb264f2d9d72463bdb1f9ac7f279f3ea6a70398a039e0250e0600523b0a851a5c5a1b2e5e5d04b37b7e6d7af9eb1798a
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Filesize
4.1MB
MD59957a171ecfa0ad0b82fe384815020de
SHA1b486661924b6545a67e1da3a771eb109b067ce10
SHA2568a8f73f731586714e7d3148bc7500f8d7a7368857be9baeaab76d7a96673b6b7
SHA512f3f98cc7e11c0c4a5fa61fd6a761ec10ae26b77dc30f33a4a601eadf17363c6b2570410454f912f17587fd7ba6a36c1a594a6205f0286dd0282285e413e7823d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec