Analysis
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max time kernel
141s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2023 07:44
Static task
static1
General
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Target
e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe
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Size
4.1MB
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MD5
f9a941698b25915879429dbc8f35de18
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SHA1
c597c908aba27b18e31e00a5cdd376e3291e448d
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SHA256
e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9
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SHA512
0837c1b8986dbd5e78ca3d9c8c55cc25f6a282c2d0f2cfd2ee5a7d82d1dcaa0bdf0e61a0684de4aff2140ab013c752a8078a2eb9ebffef496a929280ca08cf3b
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SSDEEP
98304:JDYN209W2T8E9IJqa870LeNIZlDn2Z7jE5hPs/:R09W2R9Is3uKIZsAs/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4784-2-0x00000000030F0000-0x00000000039DB000-memory.dmp family_glupteba behavioral1/memory/4784-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-26-0x00000000030F0000-0x00000000039DB000-memory.dmp family_glupteba behavioral1/memory/4784-27-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4784-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/552-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/552-89-0x0000000002970000-0x0000000002D76000-memory.dmp family_glupteba behavioral1/memory/552-91-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/552-152-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/552-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-253-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4412-290-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2684 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4412 csrss.exe 2288 injector.exe 720 windefender.exe 4856 windefender.exe 2064 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e4d-263.dat upx behavioral1/files/0x0007000000022e4d-265.dat upx behavioral1/files/0x0007000000022e4d-267.dat upx behavioral1/memory/720-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022e35-284.dat upx behavioral1/files/0x0007000000022e35-287.dat upx behavioral1/memory/4856-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2064-291-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2064-293-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe File created C:\Windows\rss\csrss.exe e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.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 2920 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4648 schtasks.exe 540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4392 powershell.exe 4392 powershell.exe 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 5056 powershell.exe 5056 powershell.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 2288 powershell.exe 2288 powershell.exe 4072 powershell.exe 4072 powershell.exe 760 powershell.exe 760 powershell.exe 4108 powershell.exe 4108 powershell.exe 3544 powershell.exe 3544 powershell.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 4412 csrss.exe 4412 csrss.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 4412 csrss.exe 4412 csrss.exe 2288 injector.exe 2288 injector.exe 4412 csrss.exe 4412 csrss.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe 2288 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Token: SeImpersonatePrivilege 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeSystemEnvironmentPrivilege 4412 csrss.exe Token: SeSecurityPrivilege 2920 sc.exe Token: SeSecurityPrivilege 2920 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4784 wrote to memory of 4392 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 91 PID 4784 wrote to memory of 4392 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 91 PID 4784 wrote to memory of 4392 4784 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 91 PID 552 wrote to memory of 5056 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 96 PID 552 wrote to memory of 5056 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 96 PID 552 wrote to memory of 5056 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 96 PID 552 wrote to memory of 3388 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 98 PID 552 wrote to memory of 3388 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 98 PID 3388 wrote to memory of 2684 3388 cmd.exe 100 PID 3388 wrote to memory of 2684 3388 cmd.exe 100 PID 552 wrote to memory of 2288 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 101 PID 552 wrote to memory of 2288 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 101 PID 552 wrote to memory of 2288 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 101 PID 552 wrote to memory of 4072 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 105 PID 552 wrote to memory of 4072 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 105 PID 552 wrote to memory of 4072 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 105 PID 552 wrote to memory of 4412 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 106 PID 552 wrote to memory of 4412 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 106 PID 552 wrote to memory of 4412 552 e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe 106 PID 4412 wrote to memory of 760 4412 csrss.exe 108 PID 4412 wrote to memory of 760 4412 csrss.exe 108 PID 4412 wrote to memory of 760 4412 csrss.exe 108 PID 4412 wrote to memory of 4108 4412 csrss.exe 114 PID 4412 wrote to memory of 4108 4412 csrss.exe 114 PID 4412 wrote to memory of 4108 4412 csrss.exe 114 PID 4412 wrote to memory of 3544 4412 csrss.exe 116 PID 4412 wrote to memory of 3544 4412 csrss.exe 116 PID 4412 wrote to memory of 3544 4412 csrss.exe 116 PID 4412 wrote to memory of 2288 4412 csrss.exe 118 PID 4412 wrote to memory of 2288 4412 csrss.exe 118 PID 720 wrote to memory of 4640 720 windefender.exe 124 PID 720 wrote to memory of 4640 720 windefender.exe 124 PID 720 wrote to memory of 4640 720 windefender.exe 124 PID 4640 wrote to memory of 2920 4640 cmd.exe 125 PID 4640 wrote to memory of 2920 4640 cmd.exe 125 PID 4640 wrote to memory of 2920 4640 cmd.exe 125 PID 4412 wrote to memory of 2064 4412 csrss.exe 128 PID 4412 wrote to memory of 2064 4412 csrss.exe 128 PID 4412 wrote to memory of 2064 4412 csrss.exe 128 -
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\e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe"C:\Users\Admin\AppData\Local\Temp\e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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C:\Users\Admin\AppData\Local\Temp\e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.exe"C:\Users\Admin\AppData\Local\Temp\e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9.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:552 -
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:5056
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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:3388 -
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:2684
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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:2288
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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:4072
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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:4412 -
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:760
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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:4648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3312
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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:4108
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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:3544
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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:2288
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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:540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:720 -
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:4640 -
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:2920
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2064 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2008
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4856
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55eca1139bf3abed597a1f12bd9733a83
SHA1c17a406634b14b0ef2b1d5230822b559c5e26dd6
SHA2563a0f2445c3807138f040e14690fd9817b82a495cc9e6b14e6d5d8f9dd9f3f21c
SHA512f239c6baffffe04da5a3e0a9eecaa808591df075ac321eb3c51c668acb89963cdd181916d825ba798189d9835f08341f1742bd4647dace7df2e37db3def2c7bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de8a7f2d78e9144d1c725ad05b54d5c6
SHA1a3b29f7237676d0bee1383b825332c37a06ab0c4
SHA2560934c62a1b71584b262fa4972a30f67547f3259806ad8cf0faa220745eeb4d46
SHA512f879070a3135cbec01649dc34b21ea27c7e7fcf608036951ad9d4157c8adb5ae96621e4c31fcf0ec74fd91a394cbc4ac79edec9dcf4b145be857a3237f8f4e36
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b8cfec1076375ff21bfb07ad3c8490e
SHA1e8b9430223f7d1c196abbfc836b645c99af23280
SHA256bb9b699ff5d3a3f31f0aea82ef999602a0d3fd81775ed5f4d516793429243f38
SHA512342b8d112e45ecf273e60c2878ceeaa26ffd221616f5e06d52d6594c82cf4b925e7be2be8946dd81e15c94a022a0356980ef6f74b4b49f32860c6ea32496dc3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5744206001e2db9f5a6bed4e7e858a22b
SHA154dc2c717fed3872d5728e9453b0eb08131a8ea0
SHA2564e09e68da8c04c47899c2f0087b0b51625f8df4c86600808c48c6f842cc6e534
SHA51236bcd54b16c49065ff4304147ade44ab5166ecce6608eb94f21033eaf73ea7cb2d5dfd374377a7613eb5de6b31b6800695f039a558b729546482be87d4109d7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c23ec7db4f161bec3bf0a2ef76afed41
SHA1cd1d865cd1da74dfb7bdc46a90ec2accc2f5d5b4
SHA2560b5667d3a4ad2be37442e2176dd75b636ab11e656001c0eec28865fd6279cff3
SHA512b31d1df214501c63c1ef48a67602c3fa5eea25e7e3bab92d4a29f43b4a19861975e4e966ec74761237280d7ec515c634d4f65e6daa14ac3a5170b47b5424f4cd
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Filesize
4.1MB
MD5f9a941698b25915879429dbc8f35de18
SHA1c597c908aba27b18e31e00a5cdd376e3291e448d
SHA256e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9
SHA5120837c1b8986dbd5e78ca3d9c8c55cc25f6a282c2d0f2cfd2ee5a7d82d1dcaa0bdf0e61a0684de4aff2140ab013c752a8078a2eb9ebffef496a929280ca08cf3b
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Filesize
4.1MB
MD5f9a941698b25915879429dbc8f35de18
SHA1c597c908aba27b18e31e00a5cdd376e3291e448d
SHA256e90ad59a756ed5b21f04b3b655c9aa667366217cd878c07d4381c09d8ece98e9
SHA5120837c1b8986dbd5e78ca3d9c8c55cc25f6a282c2d0f2cfd2ee5a7d82d1dcaa0bdf0e61a0684de4aff2140ab013c752a8078a2eb9ebffef496a929280ca08cf3b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec