Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe
Resource
win10v2004-20240412-en
General
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Target
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe
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Size
4.2MB
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MD5
9d5b3ce4eae736e3f07eb14565523e7a
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SHA1
bccb9a3ddc66b0610e9b88d379f19b6f39020ff3
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SHA256
3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad
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SHA512
d88fe014c04bec3ff9e1715bf15014a15f40275df6d4b67c6e586886320b6f853bdd885f51391570981750d8f3298d36b56fcc8f5bad8c36aa23289d1f0b2c40
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeV:5w6rquKXDtU1Y2GYniVjUH8
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/416-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral2/memory/416-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/416-50-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/416-53-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral2/memory/2684-54-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2684-116-0x0000000003AF0000-0x0000000003EF0000-memory.dmp family_glupteba behavioral2/memory/2684-138-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2684-148-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-243-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-252-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-256-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-272-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4776-274-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3180 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4776 csrss.exe 2316 injector.exe 984 windefender.exe 1704 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a975-246.dat upx behavioral2/memory/984-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe File created C:\Windows\rss\csrss.exe 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4580 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4532 2684 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 1884 schtasks.exe 5104 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4932 powershell.exe 4932 powershell.exe 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2312 powershell.exe 2312 powershell.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 3496 powershell.exe 3496 powershell.exe 4920 powershell.exe 4920 powershell.exe 4740 powershell.exe 4740 powershell.exe 4876 powershell.exe 4876 powershell.exe 3352 powershell.exe 3352 powershell.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 4776 csrss.exe 4776 csrss.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 4776 csrss.exe 4776 csrss.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 4776 csrss.exe 4776 csrss.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe 2316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4932 powershell.exe Token: SeDebugPrivilege 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Token: SeImpersonatePrivilege 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeSystemEnvironmentPrivilege 4776 csrss.exe Token: SeSecurityPrivilege 4580 sc.exe Token: SeSecurityPrivilege 4580 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 416 wrote to memory of 4932 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 81 PID 416 wrote to memory of 4932 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 81 PID 416 wrote to memory of 4932 416 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 81 PID 2684 wrote to memory of 2312 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 87 PID 2684 wrote to memory of 2312 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 87 PID 2684 wrote to memory of 2312 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 87 PID 2684 wrote to memory of 1056 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 89 PID 2684 wrote to memory of 1056 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 89 PID 1056 wrote to memory of 3180 1056 cmd.exe 91 PID 1056 wrote to memory of 3180 1056 cmd.exe 91 PID 2684 wrote to memory of 3496 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 92 PID 2684 wrote to memory of 3496 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 92 PID 2684 wrote to memory of 3496 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 92 PID 2684 wrote to memory of 4920 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 94 PID 2684 wrote to memory of 4920 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 94 PID 2684 wrote to memory of 4920 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 94 PID 2684 wrote to memory of 4776 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 96 PID 2684 wrote to memory of 4776 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 96 PID 2684 wrote to memory of 4776 2684 3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe 96 PID 4776 wrote to memory of 4740 4776 csrss.exe 100 PID 4776 wrote to memory of 4740 4776 csrss.exe 100 PID 4776 wrote to memory of 4740 4776 csrss.exe 100 PID 4776 wrote to memory of 4876 4776 csrss.exe 106 PID 4776 wrote to memory of 4876 4776 csrss.exe 106 PID 4776 wrote to memory of 4876 4776 csrss.exe 106 PID 4776 wrote to memory of 3352 4776 csrss.exe 108 PID 4776 wrote to memory of 3352 4776 csrss.exe 108 PID 4776 wrote to memory of 3352 4776 csrss.exe 108 PID 4776 wrote to memory of 2316 4776 csrss.exe 110 PID 4776 wrote to memory of 2316 4776 csrss.exe 110 PID 984 wrote to memory of 4496 984 windefender.exe 116 PID 984 wrote to memory of 4496 984 windefender.exe 116 PID 984 wrote to memory of 4496 984 windefender.exe 116 PID 4496 wrote to memory of 4580 4496 cmd.exe 117 PID 4496 wrote to memory of 4580 4496 cmd.exe 117 PID 4496 wrote to memory of 4580 4496 cmd.exe 117 -
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\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4932
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C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.exe"C:\Users\Admin\AppData\Local\Temp\3e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad.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:2684 -
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:2312
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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:1056 -
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:3180
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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:3496
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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:4920
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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:4776 -
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:4740
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:240
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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:4876
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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:3352
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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:2316
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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:5104
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:984 -
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:4496 -
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:4580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 7003⤵
- Program crash
PID:4532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2684 -ip 26841⤵PID:4716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1704
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c53d1b39e41e7a85d218721e31559d3e
SHA1fbeb9612abf5485872db3d3865ef70b9f51c99c7
SHA2567c87b0279aec4d2a64c1c617070913f04f77e9be55c8c170b4a949b20ed31f11
SHA512e5996b84a3616c07ea681fbb511ec4ade994d15b5faec94666d87bc4802f9b0f14ffcdca4f945aea8af52f4161c2771cc8fb67a4ef208ca27f8f1fb33c0118aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54488b3a67a0ecf9c5828f04e07a88b5b
SHA1b01e670b271134018eb45de8c5dacb62d1e43e84
SHA256d123ceaef023f24580841e8a3bbe90910fa2e3ab5bdbb84c12e9fc61e6c61189
SHA5126a70ab5724bbc02333aa750d09e92a92de0d5364820ceebf6d163504a4f7af1d8241ecf7b810cc5b7fc936104b27c3a921c8690d5ad9c612d4b4301d5bc5159f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562f263552a34e05d56ae02bddf0e0765
SHA141341230b1e3534c0a8a154a61326633d3318884
SHA25672c24168e6c832d7a4c1ea9766cfdb27f4ec08e0922ba8dbf8424d500ba2f55f
SHA5126e948302cec2293fd70237374afcd59cde8bcc7ab35ad7312fbd413b7c82fee8a194db9e09a9bfda3baab0dbd9f61a3266e533b2abc1692fdf524fae738f7eae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5984cb07f576a56a0811bf7488a6fa299
SHA112d2e0ef13634dc061510d8ad48ae4208961826f
SHA256d14abe083e55a7c5ebe10b5ba1e34e500095f7fe815bcac102d388cc8097ee1c
SHA512300e6468511e94c35b17129389161c79f0b6fd82d95f41c354db24c2c01c0c614e2ba41b64421fed4b852294292652fdb5e19a2c520650bb8a15f8c366224279
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578b1dabdc7f4d153d2cba4b358ba76a2
SHA15fff806e48fd6a58d034b3a2ae691d421441f2f4
SHA256865a9765036543d7c7232cca29d11f72547f9d2d8e154847868be829b14e9924
SHA512ee6250198b1f4a7435172175c3e6f3cc642329ae9f40770fd19056b33e89036a86f519ef88ba5b1e2b8a1d74df8102e160b33a2b6bb692472c8bf5557f5e8f93
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Filesize
4.2MB
MD59d5b3ce4eae736e3f07eb14565523e7a
SHA1bccb9a3ddc66b0610e9b88d379f19b6f39020ff3
SHA2563e8b527e867c8c9141b5f78da4f491d6282be93f0dcae90cfa8f6322ad7e68ad
SHA512d88fe014c04bec3ff9e1715bf15014a15f40275df6d4b67c6e586886320b6f853bdd885f51391570981750d8f3298d36b56fcc8f5bad8c36aa23289d1f0b2c40
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec