Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 13:59
Static task
static1
Behavioral task
behavioral1
Sample
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe
Resource
win10v2004-20240508-en
General
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Target
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe
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Size
4.1MB
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MD5
d25b389db8f808c07fcbbbd50528a119
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SHA1
d0d769fb925948461cd76eaa92d830a3d180bcd4
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SHA256
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426
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SHA512
e6961d9f2e2d23bda0c2641a8f4b2adfd188e1150d61463a55d07cfa880808b279b815c6dabd1d71f90d8e4a70197e7cbad65aaf01ce4729d3b41f65b4af89d9
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SSDEEP
98304:8NaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59Wr:8qU8A9EamDpImBOY9f2Nr
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4464-2-0x0000000004AD0000-0x00000000053BB000-memory.dmp family_glupteba behavioral1/memory/4464-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4464-104-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2468-130-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4464-155-0x0000000004AD0000-0x00000000053BB000-memory.dmp family_glupteba behavioral1/memory/4464-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-214-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4964-257-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4468 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4964 csrss.exe 1984 injector.exe 4380 windefender.exe 1624 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023614-218.dat upx behavioral1/memory/4380-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4380-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1624-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1624-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe -
Drops file in Windows directory 4 IoCs
Processes:
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.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 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2996 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4580 powershell.exe 2480 powershell.exe 3740 powershell.exe 5096 powershell.exe 3788 powershell.exe 4428 powershell.exe 1268 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3760 schtasks.exe 3888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exewindefender.exe005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exepowershell.exe005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4580 powershell.exe 4580 powershell.exe 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2480 powershell.exe 2480 powershell.exe 2480 powershell.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 5096 powershell.exe 5096 powershell.exe 5096 powershell.exe 3788 powershell.exe 3788 powershell.exe 3788 powershell.exe 4428 powershell.exe 4428 powershell.exe 4428 powershell.exe 1268 powershell.exe 1268 powershell.exe 1268 powershell.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 4964 csrss.exe 4964 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 4964 csrss.exe 4964 csrss.exe 1984 injector.exe 1984 injector.exe 4964 csrss.exe 4964 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Token: SeImpersonatePrivilege 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeDebugPrivilege 3740 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 2996 sc.exe Token: SeSecurityPrivilege 2996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4464 wrote to memory of 4580 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 91 PID 4464 wrote to memory of 4580 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 91 PID 4464 wrote to memory of 4580 4464 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 91 PID 2468 wrote to memory of 2480 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 103 PID 2468 wrote to memory of 2480 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 103 PID 2468 wrote to memory of 2480 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 103 PID 2468 wrote to memory of 3188 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 107 PID 2468 wrote to memory of 3188 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 107 PID 3188 wrote to memory of 4468 3188 cmd.exe 109 PID 3188 wrote to memory of 4468 3188 cmd.exe 109 PID 2468 wrote to memory of 3740 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 110 PID 2468 wrote to memory of 3740 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 110 PID 2468 wrote to memory of 3740 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 110 PID 2468 wrote to memory of 5096 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 114 PID 2468 wrote to memory of 5096 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 114 PID 2468 wrote to memory of 5096 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 114 PID 2468 wrote to memory of 4964 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 117 PID 2468 wrote to memory of 4964 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 117 PID 2468 wrote to memory of 4964 2468 005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe 117 PID 4964 wrote to memory of 3788 4964 csrss.exe 118 PID 4964 wrote to memory of 3788 4964 csrss.exe 118 PID 4964 wrote to memory of 3788 4964 csrss.exe 118 PID 4964 wrote to memory of 4428 4964 csrss.exe 123 PID 4964 wrote to memory of 4428 4964 csrss.exe 123 PID 4964 wrote to memory of 4428 4964 csrss.exe 123 PID 4964 wrote to memory of 1268 4964 csrss.exe 126 PID 4964 wrote to memory of 1268 4964 csrss.exe 126 PID 4964 wrote to memory of 1268 4964 csrss.exe 126 PID 4964 wrote to memory of 1984 4964 csrss.exe 128 PID 4964 wrote to memory of 1984 4964 csrss.exe 128 PID 4380 wrote to memory of 4388 4380 windefender.exe 135 PID 4380 wrote to memory of 4388 4380 windefender.exe 135 PID 4380 wrote to memory of 4388 4380 windefender.exe 135 PID 4388 wrote to memory of 2996 4388 cmd.exe 136 PID 4388 wrote to memory of 2996 4388 cmd.exe 136 PID 4388 wrote to memory of 2996 4388 cmd.exe 136 -
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\005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe"C:\Users\Admin\AppData\Local\Temp\005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4580
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C:\Users\Admin\AppData\Local\Temp\005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.exe"C:\Users\Admin\AppData\Local\Temp\005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426.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:2468 -
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:2480
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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:3188 -
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:4468
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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:3740
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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:5096
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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:4964 -
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:3788
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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:3760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4316
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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:4428
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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:1268
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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:1984
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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:3888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4380 -
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:4388 -
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:2996
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:81⤵PID:4308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1624
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5006f44cf2a66b62d5eb3f2b7a2937958
SHA143b5bec0e22386fd9d8142ba53d790a4226685ea
SHA256e2453a3db6c14acda0324917f0f42dee80b7e32ded2f8bfdcf1c49b524db16b7
SHA5128fe9df6ebd3e662fceb8f8237f4f98de9d4e9f7ebadc760652cb0470f46bc7efd0c4454ef58d406cdc41a3e42a6ff15fdca4adafaf3ab3f26204357dd61f34af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f828ac1e408a252da134ee900cf89488
SHA194f56e73091c81139fe521bd7e6349b07e8acade
SHA256e12e864794cbbc2bae05269017443c0556dc48c846c309a7f5acf2de9972607b
SHA5129858cffad8a5797ea9c144f31fbd8153a8f843f935bedc5b7b40ea232d5b63eaf1169fb16fa363a28191851b2131fb7c88d9baaf808b75c4096f68c90d1692a2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0e07a5b0a43fac42a18ac1b474cfc16
SHA156fdda373ae713d8031b603bf91170ad9a69848a
SHA256c039a43cf18efcfab5103bd50b00d50b82a14388ea7a60358b25d4927c5dc3f7
SHA512397f821fc995226757451fbece284f989838c040f2cc88bd650d49593f1190b840cd32df66a43394fbb133659b058d7f55e3aead8e4d0694428b6c5f4e6010a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3363afca939a6f974fc770974ec4fce
SHA174e4ac47ff756617605ef28e3010a3f1eafc20e2
SHA256a7eb4a11fbcd4826e202baf3f4a05589edc5506081d430ea386aca7d59f52090
SHA512084c845ace487e63865131528b00988a180670948430c8fa7e913838e0b1ce2a32ee3577c0ac950fcd87daf81bdd9f3fd548ccc528348e138a650e012b5438cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b727b6a0239bb5857fbe7f47b873c30d
SHA1c463ffcc9594d4538b0d505526a6c3c3d8b7fd30
SHA2560182c7fb7c601bbb69d0b0ffe50f278cd8022562ea6314f163459de517ed2086
SHA512a505c8274bd46b9649c16b4ebb24dc26673e8791c667b3d8443bca7454cfcb24d6ae74d521676374ef29b731e06ab2be31c329fa11e619f983c09f9dc5589b2c
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Filesize
4.1MB
MD5d25b389db8f808c07fcbbbd50528a119
SHA1d0d769fb925948461cd76eaa92d830a3d180bcd4
SHA256005c1f4a8b482aa2de3b67b80f5576228ef54299893cf0b8e0ff9568e4f80426
SHA512e6961d9f2e2d23bda0c2641a8f4b2adfd188e1150d61463a55d07cfa880808b279b815c6dabd1d71f90d8e4a70197e7cbad65aaf01ce4729d3b41f65b4af89d9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec