Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 02:34
Static task
static1
Behavioral task
behavioral1
Sample
febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe
Resource
win10v2004-20240226-en
General
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Target
febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe
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Size
4.2MB
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MD5
854ce7d690d1d8637c38127a10cce9fc
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SHA1
5ea37bfa0d74a4d8edaaf037221112820440129a
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SHA256
febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5
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SHA512
8997d7d5abfbcda6f4ad1f80b26d723b1be65285ac1feaec0c330c2b626bfbace0e30a0ff40b39e72e9118fdf7efd19cbcb95cfc4325eb3e192b91498dff4695
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SSDEEP
98304:MBo7TEOS9z37c565/OF7GVbQ0Ggv3fjQl4owZWsM:VSa5f7GFQ+3EqoWG
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4852-2-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral1/memory/4852-3-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/4852-54-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/4852-57-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral1/memory/1404-56-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral1/memory/1404-58-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/1404-156-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-259-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-268-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-270-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-272-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-274-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-276-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-278-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-280-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-282-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-284-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-286-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-288-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3832-290-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4088 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3832 csrss.exe 1412 injector.exe 1120 windefender.exe 4240 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000231f3-263.dat upx behavioral1/memory/1120-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4240-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4240-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\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 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 -
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 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe File created C:\Windows\rss\csrss.exe febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.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 1824 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4076 4852 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 1884 schtasks.exe 5092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.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\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2032 powershell.exe 2032 powershell.exe 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 972 powershell.exe 972 powershell.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 3984 powershell.exe 3984 powershell.exe 3984 powershell.exe 4200 powershell.exe 4200 powershell.exe 4200 powershell.exe 220 powershell.exe 220 powershell.exe 2592 powershell.exe 2592 powershell.exe 4500 powershell.exe 4500 powershell.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 3832 csrss.exe 3832 csrss.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 3832 csrss.exe 3832 csrss.exe 1412 injector.exe 1412 injector.exe 3832 csrss.exe 3832 csrss.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe 1412 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Token: SeImpersonatePrivilege 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 3984 powershell.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeSystemEnvironmentPrivilege 3832 csrss.exe Token: SeSecurityPrivilege 1824 sc.exe Token: SeSecurityPrivilege 1824 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4852 wrote to memory of 2032 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 89 PID 4852 wrote to memory of 2032 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 89 PID 4852 wrote to memory of 2032 4852 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 89 PID 1404 wrote to memory of 972 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 100 PID 1404 wrote to memory of 972 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 100 PID 1404 wrote to memory of 972 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 100 PID 1404 wrote to memory of 2876 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 104 PID 1404 wrote to memory of 2876 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 104 PID 2876 wrote to memory of 4088 2876 cmd.exe 106 PID 2876 wrote to memory of 4088 2876 cmd.exe 106 PID 1404 wrote to memory of 3984 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 107 PID 1404 wrote to memory of 3984 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 107 PID 1404 wrote to memory of 3984 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 107 PID 1404 wrote to memory of 4200 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 109 PID 1404 wrote to memory of 4200 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 109 PID 1404 wrote to memory of 4200 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 109 PID 1404 wrote to memory of 3832 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 111 PID 1404 wrote to memory of 3832 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 111 PID 1404 wrote to memory of 3832 1404 febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe 111 PID 3832 wrote to memory of 220 3832 csrss.exe 112 PID 3832 wrote to memory of 220 3832 csrss.exe 112 PID 3832 wrote to memory of 220 3832 csrss.exe 112 PID 3832 wrote to memory of 2592 3832 csrss.exe 118 PID 3832 wrote to memory of 2592 3832 csrss.exe 118 PID 3832 wrote to memory of 2592 3832 csrss.exe 118 PID 3832 wrote to memory of 4500 3832 csrss.exe 120 PID 3832 wrote to memory of 4500 3832 csrss.exe 120 PID 3832 wrote to memory of 4500 3832 csrss.exe 120 PID 3832 wrote to memory of 1412 3832 csrss.exe 122 PID 3832 wrote to memory of 1412 3832 csrss.exe 122 PID 1120 wrote to memory of 4708 1120 windefender.exe 128 PID 1120 wrote to memory of 4708 1120 windefender.exe 128 PID 1120 wrote to memory of 4708 1120 windefender.exe 128 PID 4708 wrote to memory of 1824 4708 cmd.exe 129 PID 4708 wrote to memory of 1824 4708 cmd.exe 129 PID 4708 wrote to memory of 1824 4708 cmd.exe 129 -
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\febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe"C:\Users\Admin\AppData\Local\Temp\febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Users\Admin\AppData\Local\Temp\febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.exe"C:\Users\Admin\AppData\Local\Temp\febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5.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:1404 -
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:972
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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:2876 -
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:4088
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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:3984
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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:4200
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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:3832 -
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:220
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2396
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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:2592
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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:4500
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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:1412
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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:5092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1120 -
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:4708 -
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:1824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 9842⤵
- Program crash
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4852 -ip 48521⤵PID:748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4240
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
MD556ebdb5541312da3b6a124fb0b2a0103
SHA1be2b48ff888fa7f9c41e29eb68c8a26e592f46a9
SHA256f5e66126fec117374479914410ed672d8c3b99c43b70784d3b08e436634e411f
SHA512f6fab730a0aba1beb3dc3878dd7f01e84ee52c2e465fa33f97dd3cabc28a7e6879032bf7bcb2f619aae09f0b2f9bc8bb7f18b606803281306414f304a7c2bc9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50888aea3840aec36755f91d5ab925d4f
SHA109903ed8f20d78bda3974ceab861c2581155b392
SHA2560ebda2f5266bdaee998ec5516dd2ff8f47a3d98979710f5cbab4c096e6606a62
SHA512d40e4d13f7ff56d6e8c58c0ea8952dc3e0dd4860396eba4d1e7e886cfc5ce09be561a1906ba543660b594fdac9d91e0a7564d7d871fb7e8ce40f1883b78151f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1057a9951512ff22bb7afab22480f12
SHA1455da1161f7a8b23b5a3871f694767af18bba42a
SHA2562b7abe3efef4ac1f6fa43243a766f3477844bd746121f27faf94c48e9a27e132
SHA512a21690def8b98ea84b36359218aabaea1d5fb330ecdd55e7ba82906e76e12976ba53c8e07763f93386e2249a5fb7ae037b264d42305d5b85d3d67f44106cefa1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9a4fb2f8e4212375fe03bf76a285be7
SHA1d94c31dab532f80b886a6e951652d42285058b13
SHA256536a6ea89165309ef44ef92ae04245015360147a8d37a4707d1603a0af20b0de
SHA512198768b8598c50b9b22c9545fd9b9b30882cc5ad6c4f4c8dc6b11600b4aff08105ca222804f53d56932d192be32fb3f3081174d3ffdd920159d326dd9fd8c953
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d06db90eba61f3cd98c40d12cae555be
SHA15b9dcb11ba831c35c9c07f6347668a6baa46079e
SHA2564bec85703148ad795c459cdb36791bf668344933556b25c522ad776e3117716e
SHA512319626080b52ea9cf11b5a29370d36ce93a09e32c94c4297980cefb1e01eb525d3d923222145f1dd130771b05a56f26e9d6ea7251cd3deb5e131b8ec4011fcc7
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Filesize
4.2MB
MD5854ce7d690d1d8637c38127a10cce9fc
SHA15ea37bfa0d74a4d8edaaf037221112820440129a
SHA256febf09854a2da260e26ef0d3cb71a090bbc56d4eaf57b8a902d10ba766eb7cd5
SHA5128997d7d5abfbcda6f4ad1f80b26d723b1be65285ac1feaec0c330c2b626bfbace0e30a0ff40b39e72e9118fdf7efd19cbcb95cfc4325eb3e192b91498dff4695
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec