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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 23:21 UTC
Static task
static1
Behavioral task
behavioral1
Sample
187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe
Resource
win10v2004-20240508-en
General
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Target
187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe
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Size
4.1MB
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MD5
2b1114fdb89b86c6cd33be425f09ea4a
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SHA1
25d982b39a264cd9b4b336c4e0d1729aa4f5c6ad
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SHA256
187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d
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SHA512
c6624f9bbc25b2e4f56feec46dee599dcf0ed6ff5a4c21c2c7fd4c099f4347ae1ea6dde91baa5600ef19ae6ce60229246a323cd6f8fa0c9d8184d6ec0cdb4253
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SSDEEP
98304:PM/EmSBi2U836aQ7T+NOHAd2U4SvMS0Qb1S3aNOYAF0BRB40OFss:PR5hU83ZQZH62N+Mm1SqPK0ths
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4392-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4392-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4392-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4392-53-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4408-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4408-209-0x0000000002A20000-0x0000000002E1B000-memory.dmp family_glupteba behavioral2/memory/1384-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4028 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1384 csrss.exe 2852 injector.exe 4332 windefender.exe 1484 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa14-208.dat upx behavioral2/memory/4332-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1484-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4332-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1484-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1484-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe File created C:\Windows\rss\csrss.exe 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.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 4324 sc.exe -
pid Process 3632 powershell.exe 2792 powershell.exe 1084 powershell.exe 2088 powershell.exe 4328 powershell.exe 3248 powershell.exe 2452 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1784 4392 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5016 schtasks.exe 2172 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.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\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2792 powershell.exe 2792 powershell.exe 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 1084 powershell.exe 1084 powershell.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 2088 powershell.exe 2088 powershell.exe 4328 powershell.exe 4328 powershell.exe 3248 powershell.exe 3248 powershell.exe 2452 powershell.exe 2452 powershell.exe 3632 powershell.exe 3632 powershell.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 1384 csrss.exe 1384 csrss.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 1384 csrss.exe 1384 csrss.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 1384 csrss.exe 1384 csrss.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe 2852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Token: SeImpersonatePrivilege 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe Token: SeDebugPrivilege 1084 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 2452 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeSystemEnvironmentPrivilege 1384 csrss.exe Token: SeSecurityPrivilege 4324 sc.exe Token: SeSecurityPrivilege 4324 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4392 wrote to memory of 2792 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 82 PID 4392 wrote to memory of 2792 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 82 PID 4392 wrote to memory of 2792 4392 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 82 PID 4408 wrote to memory of 1084 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 90 PID 4408 wrote to memory of 1084 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 90 PID 4408 wrote to memory of 1084 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 90 PID 4408 wrote to memory of 4148 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 92 PID 4408 wrote to memory of 4148 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 92 PID 4148 wrote to memory of 4028 4148 cmd.exe 94 PID 4148 wrote to memory of 4028 4148 cmd.exe 94 PID 4408 wrote to memory of 2088 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 95 PID 4408 wrote to memory of 2088 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 95 PID 4408 wrote to memory of 2088 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 95 PID 4408 wrote to memory of 4328 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 97 PID 4408 wrote to memory of 4328 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 97 PID 4408 wrote to memory of 4328 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 97 PID 4408 wrote to memory of 1384 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 99 PID 4408 wrote to memory of 1384 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 99 PID 4408 wrote to memory of 1384 4408 187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe 99 PID 1384 wrote to memory of 3248 1384 csrss.exe 100 PID 1384 wrote to memory of 3248 1384 csrss.exe 100 PID 1384 wrote to memory of 3248 1384 csrss.exe 100 PID 1384 wrote to memory of 2452 1384 csrss.exe 105 PID 1384 wrote to memory of 2452 1384 csrss.exe 105 PID 1384 wrote to memory of 2452 1384 csrss.exe 105 PID 1384 wrote to memory of 3632 1384 csrss.exe 108 PID 1384 wrote to memory of 3632 1384 csrss.exe 108 PID 1384 wrote to memory of 3632 1384 csrss.exe 108 PID 1384 wrote to memory of 2852 1384 csrss.exe 110 PID 1384 wrote to memory of 2852 1384 csrss.exe 110 PID 4332 wrote to memory of 2740 4332 windefender.exe 116 PID 4332 wrote to memory of 2740 4332 windefender.exe 116 PID 4332 wrote to memory of 2740 4332 windefender.exe 116 PID 2740 wrote to memory of 4324 2740 cmd.exe 117 PID 2740 wrote to memory of 4324 2740 cmd.exe 117 PID 2740 wrote to memory of 4324 2740 cmd.exe 117 -
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\187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe"C:\Users\Admin\AppData\Local\Temp\187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Users\Admin\AppData\Local\Temp\187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.exe"C:\Users\Admin\AppData\Local\Temp\187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d.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:4408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1084
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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:4148 -
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:4028
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4328
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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:1384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3248
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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:2172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3632
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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:2852
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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:5016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4332 -
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:2740 -
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:4324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 9322⤵
- Program crash
PID:1784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4392 -ip 43921⤵PID:2240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1484
Network
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Remote address:8.8.8.8:53Requesta2447586-ee9e-4dd0-a2e6-4459fda03ecd.uuid.datadumpcloud.orgIN TXTResponse
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Requeststun.sipgate.netIN AResponsestun.sipgate.netIN CNAMEstun.sipgate.cloudstun.sipgate.cloudIN CNAMEa6adcb4b9bf816abe.awsglobalaccelerator.coma6adcb4b9bf816abe.awsglobalaccelerator.comIN A15.197.250.192a6adcb4b9bf816abe.awsglobalaccelerator.comIN A3.33.249.248
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Remote address:8.8.8.8:53Requestcarsalessystem.comIN AResponsecarsalessystem.comIN A104.21.94.82carsalessystem.comIN A172.67.221.71
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Remote address:8.8.8.8:53Request233.130.159.162.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestnexusrules.officeapps.live.comIN AResponsenexusrules.officeapps.live.comIN CNAMEprod.nexusrules.live.com.akadns.netprod.nexusrules.live.com.akadns.netIN A52.111.236.21
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Remote address:8.8.8.8:53Requestserver2.datadumpcloud.orgIN AResponseserver2.datadumpcloud.orgIN A185.82.216.104
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Remote address:8.8.8.8:53Request82.94.21.104.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestcdn.discordapp.comIN AResponsecdn.discordapp.comIN A162.159.130.233cdn.discordapp.comIN A162.159.129.233cdn.discordapp.comIN A162.159.133.233cdn.discordapp.comIN A162.159.135.233cdn.discordapp.comIN A162.159.134.233
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Remote address:8.8.8.8:53Request192.250.197.15.in-addr.arpaIN PTRResponse192.250.197.15.in-addr.arpaIN PTRa6adcb4b9bf816abeawsglobalacceleratorcom
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Remote address:8.8.8.8:53Request21.236.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request104.216.82.185.in-addr.arpaIN PTRResponse104.216.82.185.in-addr.arpaIN PTRdedic-mariadebommarez-1201693hosted-by-itldccom
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1.3kB 5.3kB 15 17
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1.9kB 5.9kB 15 16
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102.5kB 2.2MB 1682 1625
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1.9kB 4.7kB 11 13
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447 B 811 B 6 6
DNS Request
a2447586-ee9e-4dd0-a2e6-4459fda03ecd.uuid.datadumpcloud.org
DNS Request
8.8.8.8.in-addr.arpa
DNS Request
stun.sipgate.net
DNS Response
15.197.250.1923.33.249.248
DNS Request
carsalessystem.com
DNS Response
104.21.94.82172.67.221.71
DNS Request
233.130.159.162.in-addr.arpa
DNS Request
nexusrules.officeapps.live.com
DNS Response
52.111.236.21
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142 B 220 B 2 2
DNS Request
server2.datadumpcloud.org
DNS Response
185.82.216.104
DNS Request
82.94.21.104.in-addr.arpa
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209 B 431 B 3 3
DNS Request
cdn.discordapp.com
DNS Response
162.159.130.233162.159.129.233162.159.133.233162.159.135.233162.159.134.233
DNS Request
192.250.197.15.in-addr.arpa
DNS Request
21.236.111.52.in-addr.arpa
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48 B 124 B 1 1
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73 B 136 B 1 1
DNS Request
104.216.82.185.in-addr.arpa
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f95eaa3c35c1a4dc7a05a16bef520eeb
SHA11a73896860bd1249bf27b239c2a5067d6bafac9e
SHA256a920b81bba45ae18aeb10c01cf5957697c94bcd212d09479927a681cae46c18f
SHA512296498ccf0e42c8449ff4e7a64af43b32521009eb1f597089fbd12877f7f4e493e1db23725a2192d7489cb3b2b5511b955d6550f88d7d5e9d71b4b63b24362f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b180f298b874486f1410d1a7681df001
SHA1057372b23d0de26fedf98f8efafe2bbba7b02107
SHA2568451f2cb30308cea0ccb07bc8b80d88ba1cf21a1f4bda1d153ffa72ddb394844
SHA5125c491c4c58581fc45501ac9cac38b0e9d793a731950fd1f9a7bb330a3df89941ac30a880600eaff1a8569223f4afd727139a21a00dc872e54b293c93429f1f3b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac30e31344e40395a911ad30e272fb33
SHA19e5f82c94822e4bf9d20205e990fdb636102259f
SHA2562931effd86a53a260098530e55500ddb5074394d2374397a8abd96ea596f6aaf
SHA512eebee2e4e07761c66c026fa38df0fcf4e9067c6ef8f477a4e2b64436d163818aabaa64bf2c962da3061d251c4a2ef233248da8dc4f20909cc219fcfa361c41ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51edc49c2a889b99ee506a8678db397c9
SHA172ec348a338328b6a0dde62fd0f05647ac3e2113
SHA256cd3261416e9ccdb979736cb1d40128cf0a1a314c3297fc029b003be7fc7149e2
SHA512aec589cb4153f2bd07a7efacf6d82d29a235da8715501874b6becf28284ebed004688ddb540db8dacbbdb8b9bbf55a8ed44beabf94bb03089f1135d772749c71
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d5947c8f353df980ec222bc14592d5d
SHA1491a1eafed5fcc881b0d568d21188322e6e144dc
SHA256557086850901015c04b12f3eeaf5e34fa938e2b889cdaa42294ad5089f829f83
SHA512ac89892ca87ef4af6f8b7bd62d3ebfd09a8842f31699b9c5580c9e5b4dca00918fc4a6ec0734b68c1a7d3ab02654f97680fdfaf272b99c8d46c5a62011620999
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Filesize
4.1MB
MD52b1114fdb89b86c6cd33be425f09ea4a
SHA125d982b39a264cd9b4b336c4e0d1729aa4f5c6ad
SHA256187a80af7213cff8d7778899ae1a679df16917d744d6bc0bcc593e72c678659d
SHA512c6624f9bbc25b2e4f56feec46dee599dcf0ed6ff5a4c21c2c7fd4c099f4347ae1ea6dde91baa5600ef19ae6ce60229246a323cd6f8fa0c9d8184d6ec0cdb4253
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec