Analysis
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max time kernel
149s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 16:45
Static task
static1
Behavioral task
behavioral1
Sample
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe
Resource
win10v2004-20240426-en
General
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Target
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe
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Size
4.1MB
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MD5
15d075ce0d299b235c5ab8c88a4f0069
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SHA1
ed0d9c753eedcba8aa3c3debac12c50b70fbf190
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SHA256
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0
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SHA512
a2168aa9b03eb9d13810f2c1ebcd749963f0478c39fd16261a1640c63223755a830a2e4f5207ebf0e636c747df4b5fe8665fbebe61fc02375f8449100a8d2903
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SSDEEP
98304:Ic7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPt:4X++d2b0aMbplZO0sFfSt
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3500-2-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral2/memory/3500-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3500-99-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral2/memory/3500-97-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3500-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4412-145-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-200-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4652-256-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1140 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4652 csrss.exe 72 injector.exe 2468 windefender.exe 4852 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ec-204.dat upx behavioral2/memory/2468-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4852-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2468-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4852-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4852-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 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 -
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 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 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 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4912 sc.exe -
pid Process 1204 powershell.exe 1580 powershell.exe 4888 powershell.exe 1016 powershell.exe 2324 powershell.exe 2880 powershell.exe 2200 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2896 schtasks.exe 3872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2880 powershell.exe 2880 powershell.exe 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 2200 powershell.exe 2200 powershell.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1204 powershell.exe 1204 powershell.exe 1580 powershell.exe 1580 powershell.exe 4888 powershell.exe 4888 powershell.exe 1016 powershell.exe 1016 powershell.exe 2324 powershell.exe 2324 powershell.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 4652 csrss.exe 4652 csrss.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 4652 csrss.exe 4652 csrss.exe 72 injector.exe 72 injector.exe 4652 csrss.exe 4652 csrss.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe 72 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Token: SeImpersonatePrivilege 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeSystemEnvironmentPrivilege 4652 csrss.exe Token: SeSecurityPrivilege 4912 sc.exe Token: SeSecurityPrivilege 4912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3500 wrote to memory of 2880 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 82 PID 3500 wrote to memory of 2880 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 82 PID 3500 wrote to memory of 2880 3500 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 82 PID 4412 wrote to memory of 2200 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 88 PID 4412 wrote to memory of 2200 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 88 PID 4412 wrote to memory of 2200 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 88 PID 4412 wrote to memory of 1680 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 90 PID 4412 wrote to memory of 1680 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 90 PID 1680 wrote to memory of 1140 1680 cmd.exe 92 PID 1680 wrote to memory of 1140 1680 cmd.exe 92 PID 4412 wrote to memory of 1204 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 4412 wrote to memory of 1204 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 4412 wrote to memory of 1204 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 4412 wrote to memory of 1580 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 95 PID 4412 wrote to memory of 1580 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 95 PID 4412 wrote to memory of 1580 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 95 PID 4412 wrote to memory of 4652 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 97 PID 4412 wrote to memory of 4652 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 97 PID 4412 wrote to memory of 4652 4412 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 97 PID 4652 wrote to memory of 4888 4652 csrss.exe 98 PID 4652 wrote to memory of 4888 4652 csrss.exe 98 PID 4652 wrote to memory of 4888 4652 csrss.exe 98 PID 4652 wrote to memory of 1016 4652 csrss.exe 104 PID 4652 wrote to memory of 1016 4652 csrss.exe 104 PID 4652 wrote to memory of 1016 4652 csrss.exe 104 PID 4652 wrote to memory of 2324 4652 csrss.exe 106 PID 4652 wrote to memory of 2324 4652 csrss.exe 106 PID 4652 wrote to memory of 2324 4652 csrss.exe 106 PID 4652 wrote to memory of 72 4652 csrss.exe 108 PID 4652 wrote to memory of 72 4652 csrss.exe 108 PID 2468 wrote to memory of 2516 2468 windefender.exe 114 PID 2468 wrote to memory of 2516 2468 windefender.exe 114 PID 2468 wrote to memory of 2516 2468 windefender.exe 114 PID 2516 wrote to memory of 4912 2516 cmd.exe 115 PID 2516 wrote to memory of 4912 2516 cmd.exe 115 PID 2516 wrote to memory of 4912 2516 cmd.exe 115 -
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\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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:4412 -
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:2200
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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:1680 -
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:1140
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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:1204
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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:1580
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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:4652 -
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:4888
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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:2896
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3320
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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:1016
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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:2324
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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:72
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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:3872
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2468 -
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:2516 -
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:4912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4852
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
MD5b46ae301cddd43a2421d44627babc15f
SHA161915cc90f38ce74be0bca99bee195fba7e6fe6b
SHA2560f46f3925d65494d4a9412d0ce78f894154519416e11d1a204ce68c7c7edd463
SHA51235859495eef77816f6c44acc608ea0470c6e5aa8c1be8f694e934f2de462d9a7f96ba2f36f7f31765dea372ca21ce4ba54716a90aca168c2b4df851c0be13b53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58572dd1f005292f2327a073917432f83
SHA12da45f913f430e61d247126e6317ea96bd7822de
SHA256e5840b27cc212ccd96645d9f10fe5fbfbcc85383cd8b5043b81fb9ff88b37925
SHA512089706b6cba106a4e0c7429fee4b698a22b36bf5bd8b5341915fbb24d3f2a53c521242477a344b6775675fc9017430a9bd6c56f07f497b6ccc8d4a096c24c798
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53571bcfd68743af5aa4db76f3b27ccc5
SHA1412b06d4bcef8109945065f82012da37c52cd174
SHA256a7c676cb02eda3e607e41354406498979b38194123e50550a1fb495b8cced386
SHA512f63bac0543fcc5d7f9a80e11755ac365d5b97f72c4f16d7e42076d8c5581c7b7732a633ec5d77402f399d8c3c00a9de0953bbeb37c42ff2eb4670ef1aeb01798
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffa0c12bd822eca34bba6170a0ee8fc9
SHA1b09c81dabf54228136df8ffbfda1950d7981dfa3
SHA256e29b4b7d60ea0633625b784826dda7c504d212e6dfea55ce654b3c66a424a539
SHA512f2c5e44c343dc720fe0ee3adead244e6795cb9b0718a9184bd6ffe7672576da144fad943f394829179aab4e1ceeb2710c40e96d7e266d85b54510e50b798fdb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508f0adcae47b8f1fc6cadcdb3c424950
SHA1eba7d98bc78d78674ba1442198dbbd22b7de9daa
SHA256549a1610a05e6f84dfd334de9714610e25334b353797b8dc50f1719dd6b7ce67
SHA512bf2dd57f32531c194f4bdb66e9d8168fe414731d919c2a7e8eb7b15369f3723a949c3d7edab08930d31967b2a7bf8562d05c75753d4e37080b102a8235e15392
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Filesize
4.1MB
MD515d075ce0d299b235c5ab8c88a4f0069
SHA1ed0d9c753eedcba8aa3c3debac12c50b70fbf190
SHA2561893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0
SHA512a2168aa9b03eb9d13810f2c1ebcd749963f0478c39fd16261a1640c63223755a830a2e4f5207ebf0e636c747df4b5fe8665fbebe61fc02375f8449100a8d2903
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec