Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe
Resource
win10v2004-20240412-en
General
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Target
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe
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Size
4.2MB
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MD5
c3ef1155fd5f029ec180444ad56ee9cd
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SHA1
dd63227bd963fe3879048e3212ff7044d98f7ba4
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SHA256
2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8
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SHA512
b5634ebd569d86e28ccb0c3d4d6aec2d230fb840de360deeac9bc083b9ec871750e125222b189f19c93135ea59aec0e0e375d19daa844ed1b1844b8ead9478f9
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SSDEEP
98304:500QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGQ:7pJcNpX++PyaASVpB6kl
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1424-2-0x0000000003FC0000-0x00000000048AB000-memory.dmp family_glupteba behavioral1/memory/1424-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/628-57-0x0000000004020000-0x000000000490B000-memory.dmp family_glupteba behavioral1/memory/1424-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/628-59-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1424-60-0x0000000003FC0000-0x00000000048AB000-memory.dmp family_glupteba behavioral1/memory/628-157-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-290-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/940-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1028 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 940 csrss.exe 4960 injector.exe 2312 windefender.exe 2544 windefender.exe -
resource yara_rule behavioral1/files/0x001200000002342e-266.dat upx behavioral1/memory/2312-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2544-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2544-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2544-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe File created C:\Windows\rss\csrss.exe 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 540 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3808 1424 WerFault.exe 84 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2224 schtasks.exe 2352 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2680 powershell.exe 2680 powershell.exe 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 1836 powershell.exe 1836 powershell.exe 1836 powershell.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 4224 powershell.exe 4224 powershell.exe 3972 powershell.exe 3972 powershell.exe 3972 powershell.exe 4000 powershell.exe 4000 powershell.exe 4000 powershell.exe 1028 powershell.exe 1028 powershell.exe 1028 powershell.exe 2684 powershell.exe 2684 powershell.exe 2684 powershell.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 940 csrss.exe 940 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 940 csrss.exe 940 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 940 csrss.exe 940 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Token: SeImpersonatePrivilege 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeDebugPrivilege 2684 powershell.exe Token: SeSystemEnvironmentPrivilege 940 csrss.exe Token: SeSecurityPrivilege 540 sc.exe Token: SeSecurityPrivilege 540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1424 wrote to memory of 2680 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 89 PID 1424 wrote to memory of 2680 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 89 PID 1424 wrote to memory of 2680 1424 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 89 PID 628 wrote to memory of 1836 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 100 PID 628 wrote to memory of 1836 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 100 PID 628 wrote to memory of 1836 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 100 PID 628 wrote to memory of 2664 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 103 PID 628 wrote to memory of 2664 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 103 PID 2664 wrote to memory of 1028 2664 cmd.exe 121 PID 2664 wrote to memory of 1028 2664 cmd.exe 121 PID 628 wrote to memory of 4224 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 106 PID 628 wrote to memory of 4224 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 106 PID 628 wrote to memory of 4224 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 106 PID 628 wrote to memory of 3972 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 110 PID 628 wrote to memory of 3972 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 110 PID 628 wrote to memory of 3972 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 110 PID 628 wrote to memory of 940 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 113 PID 628 wrote to memory of 940 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 113 PID 628 wrote to memory of 940 628 2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe 113 PID 940 wrote to memory of 4000 940 csrss.exe 114 PID 940 wrote to memory of 4000 940 csrss.exe 114 PID 940 wrote to memory of 4000 940 csrss.exe 114 PID 940 wrote to memory of 1028 940 csrss.exe 121 PID 940 wrote to memory of 1028 940 csrss.exe 121 PID 940 wrote to memory of 1028 940 csrss.exe 121 PID 940 wrote to memory of 2684 940 csrss.exe 123 PID 940 wrote to memory of 2684 940 csrss.exe 123 PID 940 wrote to memory of 2684 940 csrss.exe 123 PID 940 wrote to memory of 4960 940 csrss.exe 126 PID 940 wrote to memory of 4960 940 csrss.exe 126 PID 2312 wrote to memory of 3676 2312 windefender.exe 132 PID 2312 wrote to memory of 3676 2312 windefender.exe 132 PID 2312 wrote to memory of 3676 2312 windefender.exe 132 PID 3676 wrote to memory of 540 3676 cmd.exe 133 PID 3676 wrote to memory of 540 3676 cmd.exe 133 PID 3676 wrote to memory of 540 3676 cmd.exe 133 -
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\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.exe"C:\Users\Admin\AppData\Local\Temp\2b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8.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:628 -
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:1836
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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:2664 -
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:1028
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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:4224
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
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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:940 -
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:4000
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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:2224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4056
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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:1028
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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:2684
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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:4960
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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:2352
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2312 -
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:3676 -
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:540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 8562⤵
- Program crash
PID:3808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1424 -ip 14241⤵PID:2528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2544
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d158858df18e2f09d7b13d291b4c08b9
SHA1c526e467ea9590a373ee0ab2f68d8bf644433e54
SHA25698f25597ef962db409faf863095d86f3def6062a03c01f94d36cb84aac1f31c0
SHA5122423666421a32727be097a9532fdbae5529b305e129efea1b827f93692429d182b4f43735600d3687440c1af0e0cf04823ad3fc71e1b2e97dfd8c994ebd19fc2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536064e91b642f1e1d492657163d6c949
SHA150d144dcae5b8ceea613c18787912a21af72134c
SHA256316e052288df57c08a59eeaf8b6358676d5bb5c89251c3a24c2bd02a675913fe
SHA512095b90af05c63c18c446c7c7aaa4475e722b2cf5a94084a882d5f900bdc7f34f40a41b12fad489d3c5307d3237b94ccf8c7151b7ec54020c1cfb9902c608cca7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd79e10a1ced51510fbb14daec8ffc3f
SHA1991e3486812d51809bee572db86e2e9b87f8ec78
SHA2564680d52c4238598135074b1ccde512dd71226e72a0647ecaa2abdc3df628c8ba
SHA512210b4d84559d43a965511669260065f35321c65a0b3d32fc5b86f754c7d92439e89c435666867d617b4bdde304d5d44a6a277403c2759fc3d364e836de7fd000
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e10e483667c1f2258de42cb4aca1763
SHA159c69ecc95f75719e84b37907f26b26ad686abaf
SHA256f652da3fb8bf4820590540cc48ea63bac8d08d73f3610e81f448ca362a0acf7c
SHA5128267eb775c36e95537a5f32c6ac73b0ff476a0567442fcabf40b7074c6c96982b66aee9f40c7682b914505c4d2fd9761f64b1842029f5a79f155e0f0d741ae49
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3a874c2f342ae054d4cb034a787d5c7
SHA1977c8a58777f1855fb2d60580f2dd3794180760f
SHA256f3ff4abf608d119af61f6d0088e5cf5db0ee0aef3cb59b1864e2cd5ca10af0ca
SHA5125b4c5e64a2d4e9df23b6ea91fdc8e8ee4fda56f8fb14dba8b23bd34b3a56ad8fba8f9dbeca481aad583b5b2ef37a884cbbe347a6afcfae84b678f7534f336df9
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Filesize
4.2MB
MD5c3ef1155fd5f029ec180444ad56ee9cd
SHA1dd63227bd963fe3879048e3212ff7044d98f7ba4
SHA2562b594acf3a66dda0d7c2004ab3e42c85129479f36bc1f9b498afe247c4cebfb8
SHA512b5634ebd569d86e28ccb0c3d4d6aec2d230fb840de360deeac9bc083b9ec871750e125222b189f19c93135ea59aec0e0e375d19daa844ed1b1844b8ead9478f9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec