Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
07/06/2023, 10:26
Static task
static1
General
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Target
504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe
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Size
4.2MB
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MD5
2d3770eb1950dd2de04a7d77b6e8a460
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SHA1
a2fed4b5e1c5b69d8d4c3fe56f0462421efc8e70
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SHA256
504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c
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SHA512
61789d6ad5fd20b87078988e3dc22d88f974cdf97a23a4e1f3e714f97297fc5a7d2be1a5037e9543416aacfa96fe2c8330dfd7eab266667d9898ed08b63fd8c0
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SSDEEP
98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhc:V4pnQn9xB8w/epW
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/3200-122-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/3200-185-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3200-418-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3200-420-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/216-548-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/216-872-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/216-1153-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1337-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1570-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1850-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1894-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1903-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1905-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1907-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1909-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/1092-1911-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1092 csrss.exe 1332 injector.exe 4392 windefender.exe 3176 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001af15-1897.dat upx behavioral1/files/0x000700000001af15-1898.dat upx behavioral1/memory/4392-1899-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000001af15-1900.dat upx behavioral1/memory/4392-1901-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3176-1902-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3176-1910-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.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 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe File created C:\Windows\rss\csrss.exe 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 704 sc.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 1184 schtasks.exe 4412 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\1e\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.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\1e\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\CA\Certificates powershell.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\1e\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 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\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4540 powershell.exe 4540 powershell.exe 4540 powershell.exe 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 4940 powershell.exe 4940 powershell.exe 4940 powershell.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 4364 powershell.exe 4364 powershell.exe 4364 powershell.exe 4236 powershell.exe 4236 powershell.exe 4236 powershell.exe 2428 powershell.exe 2428 powershell.exe 2428 powershell.exe 4040 powershell.exe 4040 powershell.exe 4040 powershell.exe 4744 powershell.exe 4744 powershell.exe 4744 powershell.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1092 csrss.exe 1092 csrss.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1092 csrss.exe 1092 csrss.exe 1332 injector.exe 1332 injector.exe 1092 csrss.exe 1092 csrss.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Token: SeImpersonatePrivilege 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 4040 powershell.exe Token: SeDebugPrivilege 4744 powershell.exe Token: SeSystemEnvironmentPrivilege 1092 csrss.exe Token: SeSecurityPrivilege 704 sc.exe Token: SeSecurityPrivilege 704 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3200 wrote to memory of 4540 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 67 PID 3200 wrote to memory of 4540 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 67 PID 3200 wrote to memory of 4540 3200 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 67 PID 216 wrote to memory of 4940 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 72 PID 216 wrote to memory of 4940 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 72 PID 216 wrote to memory of 4940 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 72 PID 216 wrote to memory of 5056 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 74 PID 216 wrote to memory of 5056 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 74 PID 5056 wrote to memory of 4996 5056 cmd.exe 76 PID 5056 wrote to memory of 4996 5056 cmd.exe 76 PID 216 wrote to memory of 4364 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 77 PID 216 wrote to memory of 4364 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 77 PID 216 wrote to memory of 4364 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 77 PID 216 wrote to memory of 4236 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 79 PID 216 wrote to memory of 4236 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 79 PID 216 wrote to memory of 4236 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 79 PID 216 wrote to memory of 1092 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 81 PID 216 wrote to memory of 1092 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 81 PID 216 wrote to memory of 1092 216 504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe 81 PID 1092 wrote to memory of 2428 1092 csrss.exe 82 PID 1092 wrote to memory of 2428 1092 csrss.exe 82 PID 1092 wrote to memory of 2428 1092 csrss.exe 82 PID 1092 wrote to memory of 4040 1092 csrss.exe 89 PID 1092 wrote to memory of 4040 1092 csrss.exe 89 PID 1092 wrote to memory of 4040 1092 csrss.exe 89 PID 1092 wrote to memory of 4744 1092 csrss.exe 91 PID 1092 wrote to memory of 4744 1092 csrss.exe 91 PID 1092 wrote to memory of 4744 1092 csrss.exe 91 PID 1092 wrote to memory of 1332 1092 csrss.exe 93 PID 1092 wrote to memory of 1332 1092 csrss.exe 93 PID 4392 wrote to memory of 1808 4392 windefender.exe 100 PID 4392 wrote to memory of 1808 4392 windefender.exe 100 PID 4392 wrote to memory of 1808 4392 windefender.exe 100 PID 1808 wrote to memory of 704 1808 cmd.exe 101 PID 1808 wrote to memory of 704 1808 cmd.exe 101 PID 1808 wrote to memory of 704 1808 cmd.exe 101 -
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\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe"C:\Users\Admin\AppData\Local\Temp\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540
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C:\Users\Admin\AppData\Local\Temp\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe"C:\Users\Admin\AppData\Local\Temp\504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:216 -
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:4940
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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:5056 -
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
- Modifies data under HKEY_USERS
PID:4996
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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:4364
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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:4236
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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:1092 -
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:2428
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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:1184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:596
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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:4040
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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:4744
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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:1332
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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:4412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4392 -
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:1808 -
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:704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3176
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58b1ab34a7d2d198122d7515f40cd78c5
SHA1a06d3a13364aa9ec41fc88c23db1c685cc198d3c
SHA256db76d4c0147e4d03257592c50b06206a633465332de08c69e7a83f63d58ed175
SHA512a98bdd3aa43bbca077aaa621229b8705374114a90024a2279abd186d99257957f6aaf146e93891262d04ab25287a8e33e7ae6faa8b9b96ebb7cac491a1721bbb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b232f10e829a1d36d73b84c07e438cfe
SHA18873f24fcc98c4c337cc40e2b3e7a1603268b05d
SHA2563b9da7102aa76dbc1e9b8a366c45bd9cde87b72f367fa51ee8b4b12d6f747ed9
SHA5120c856469f2c1b87ebac3b680af5ed817628130ee73e24c8f8923ecb23edbfb3e4aeaf42082c4f2a6b54a753476e8dfd915b0e74a949809294afc28ef07b02f02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5decdad52d2e9cb8ddc22f28a6bdcf4e9
SHA13e7e1a8098966e599af230bc1506c1c7aa661d0c
SHA256264428c77e23a06107078be350666b3658c005a684da29bfc134d272a94a7a62
SHA512400ea76c8dd4ed85569ecdbbd283e2de6f749b594fbdce831920596a2852304b46d210e2db0df7c4888fd1cdfd3a76e83a0aa4786edecaaa96bc9fa221235aa1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD573f6d4ca22ed665b15dde9967dbcc226
SHA13d2738b8239066f66edebb3cc416e9574c6701a5
SHA256d14c987fbc6379b6b344df926a9e1ebf339f0a6f308ff1e5615c6bd5afcd1e9e
SHA512ba04bb60a2e6bb4d7414f2446bb8846ee3665779a03b986d6560b3d4dad35a9b2c1d93dd76da18b4a0d0099e2ec6f654b0efbf865c137b34493fb290658a5f5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5666cfbe5451b14a690021ce6411a070e
SHA17d808a54dc5ba0c5116c2e4d7ff0b8cc47a0f41c
SHA256ea15e1341486bc7bba6832c2959fa1e3a24603262200e23de9546bfcde09ee6d
SHA51204590a15ce767df29c9a8432d404c5f8708d32b8ab5277d3d614fe2b9880f366577e026a951e093d2d7afcca2a2bf99fde7175674b36139a963d1e56e9f8945f
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Filesize
4.2MB
MD52d3770eb1950dd2de04a7d77b6e8a460
SHA1a2fed4b5e1c5b69d8d4c3fe56f0462421efc8e70
SHA256504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c
SHA51261789d6ad5fd20b87078988e3dc22d88f974cdf97a23a4e1f3e714f97297fc5a7d2be1a5037e9543416aacfa96fe2c8330dfd7eab266667d9898ed08b63fd8c0
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Filesize
4.2MB
MD52d3770eb1950dd2de04a7d77b6e8a460
SHA1a2fed4b5e1c5b69d8d4c3fe56f0462421efc8e70
SHA256504da8b10036612226e41661edbc3625e2befff479e50cc30c149cc781dd084c
SHA51261789d6ad5fd20b87078988e3dc22d88f974cdf97a23a4e1f3e714f97297fc5a7d2be1a5037e9543416aacfa96fe2c8330dfd7eab266667d9898ed08b63fd8c0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec