Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 11:24
Static task
static1
Behavioral task
behavioral1
Sample
b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe
Resource
win10v2004-20240426-en
General
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Target
b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe
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Size
4.1MB
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MD5
fd5d9b90b0b2e15c71a8a15811f0703b
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SHA1
2e0aa774b78e8ad21403b108972b27286163b5f8
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SHA256
b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182
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SHA512
9e9e57c2f22660d8753a39b36a97a48ecec191ea2bc5345ca08bafa5eee43562b1b5f145c403323e2a37311cf3a77ebb1d0a802314478419164108b0f489553e
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SSDEEP
98304:vQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3Bj:3K95KswtE0pG4Bj
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3000-2-0x0000000004DB0000-0x000000000569B000-memory.dmp family_glupteba behavioral2/memory/3000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3000-97-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3000-126-0x0000000004DB0000-0x000000000569B000-memory.dmp family_glupteba behavioral2/memory/3128-171-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3000-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/72-203-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/72-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4464 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 72 csrss.exe 2076 injector.exe 3068 windefender.exe 4812 windefender.exe -
resource yara_rule behavioral2/files/0x000300000002aa43-206.dat upx behavioral2/memory/3068-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4812-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3068-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4812-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4812-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe File created C:\Windows\rss\csrss.exe b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.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 4632 sc.exe -
pid Process 2152 powershell.exe 3044 powershell.exe 2504 powershell.exe 3212 powershell.exe 2396 powershell.exe 5116 powershell.exe 4656 powershell.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 4564 schtasks.exe 3176 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,-2791 = "Novosibirsk Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.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\@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,-402 = "Arabic Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2396 powershell.exe 2396 powershell.exe 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 5116 powershell.exe 5116 powershell.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 4656 powershell.exe 4656 powershell.exe 2152 powershell.exe 2152 powershell.exe 3044 powershell.exe 3044 powershell.exe 2504 powershell.exe 2504 powershell.exe 3212 powershell.exe 3212 powershell.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 72 csrss.exe 72 csrss.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 72 csrss.exe 72 csrss.exe 2076 injector.exe 2076 injector.exe 72 csrss.exe 72 csrss.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe 2076 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Token: SeImpersonatePrivilege 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 3212 powershell.exe Token: SeSystemEnvironmentPrivilege 72 csrss.exe Token: SeSecurityPrivilege 4632 sc.exe Token: SeSecurityPrivilege 4632 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3000 wrote to memory of 2396 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 81 PID 3000 wrote to memory of 2396 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 81 PID 3000 wrote to memory of 2396 3000 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 81 PID 3128 wrote to memory of 5116 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 87 PID 3128 wrote to memory of 5116 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 87 PID 3128 wrote to memory of 5116 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 87 PID 3128 wrote to memory of 3432 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 91 PID 3128 wrote to memory of 3432 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 91 PID 3432 wrote to memory of 4464 3432 cmd.exe 93 PID 3432 wrote to memory of 4464 3432 cmd.exe 93 PID 3128 wrote to memory of 4656 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 94 PID 3128 wrote to memory of 4656 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 94 PID 3128 wrote to memory of 4656 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 94 PID 3128 wrote to memory of 2152 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 96 PID 3128 wrote to memory of 2152 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 96 PID 3128 wrote to memory of 2152 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 96 PID 3128 wrote to memory of 72 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 100 PID 3128 wrote to memory of 72 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 100 PID 3128 wrote to memory of 72 3128 b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe 100 PID 72 wrote to memory of 3044 72 csrss.exe 101 PID 72 wrote to memory of 3044 72 csrss.exe 101 PID 72 wrote to memory of 3044 72 csrss.exe 101 PID 72 wrote to memory of 2504 72 csrss.exe 107 PID 72 wrote to memory of 2504 72 csrss.exe 107 PID 72 wrote to memory of 2504 72 csrss.exe 107 PID 72 wrote to memory of 3212 72 csrss.exe 110 PID 72 wrote to memory of 3212 72 csrss.exe 110 PID 72 wrote to memory of 3212 72 csrss.exe 110 PID 72 wrote to memory of 2076 72 csrss.exe 112 PID 72 wrote to memory of 2076 72 csrss.exe 112 PID 3068 wrote to memory of 1148 3068 windefender.exe 118 PID 3068 wrote to memory of 1148 3068 windefender.exe 118 PID 3068 wrote to memory of 1148 3068 windefender.exe 118 PID 1148 wrote to memory of 4632 1148 cmd.exe 119 PID 1148 wrote to memory of 4632 1148 cmd.exe 119 PID 1148 wrote to memory of 4632 1148 cmd.exe 119 -
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\b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe"C:\Users\Admin\AppData\Local\Temp\b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Users\Admin\AppData\Local\Temp\b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.exe"C:\Users\Admin\AppData\Local\Temp\b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182.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:3128 -
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:5116
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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:3432 -
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:4464
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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:4656
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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:2152
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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:72 -
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:3044
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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:3176
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2268
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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:2504
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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:3212
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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:2076
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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:4564
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3068 -
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:1148 -
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:4632
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4812
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd320dec8a78ab13810f06307c1ffdee
SHA1019f5bfb31d63bb346a88ec9bba1d25becbab035
SHA2564e957d8787d9cea0bed55214876cabb8855403ebc5266a1736bb132d69ad0729
SHA51203b36fd5199049f593c36bb9fcdf88651e0168cf582dfc31029da52250d451033e66b1ef7b1a52643fbeef81c4c551767a651ad858944715078d5b90b504ab3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568e6e0123ee962c2a35a30e26879cf64
SHA10b721f9a6f85fed671e116b157360c2536ba1e1a
SHA25621ce0d85374aa2001bdd2441364323650549f1ca1e03cb585c08e5414eda9890
SHA512198c6fa8491986eb14d9a2b7709ce60a9589e13519411387e5024e3df669352f3d77604d92edceb4f9c98e31e0e03cd8a185cd5ae48cf5e3c8096f0d00672d81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc05f001ebc1e7ec39cdd4e04a4ff01c
SHA15d39ca4c14ee1cd10354624b9091287d4965759a
SHA256220c96d358d3b8f2d1bee26aa228ae156858919e10b685fac9429dfb4c4966aa
SHA5120874fd085d023b2b58f698dc44836ec1bbcc04b7abc2a9a48a43546b627765050507e50c47f55ec52ae6f20eb3598d9af98ac081df479c27b6cec1d9189210ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529f47f400957d84f65ffcffdde7a8cfd
SHA1eed4afad5f9ab0840978fa62d6d6c5fd8db5b617
SHA25628833bc91aa6b0153ee215557cae5fc1db14e8ebb39de627c4e32c05817eafd6
SHA512fbc51e9fb136d874886783d6b00c1e7aede1707eafe788a7599aff42d86a988446e149ab34b1b7ecfbeba1251d9123ef0a78eeb65cd8c320ca55f8eb61bb00d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2896c008b2bd75d34045c8526824aab
SHA1bb40985ef503e79e026bf2dd449980f57a01c3a3
SHA256dc46a851cef51eb8beca13aea266d5b2522f36056fdc94fb15339d5d6f97792e
SHA51269448acc9d1704dbce1c0b640a1e4c9448696d9225b7ed9dea3d7d339594e2cae128ceac1364dd92524793f0201c8ebffe62ea511e1b339b99017e18bfca9bfd
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Filesize
4.1MB
MD5fd5d9b90b0b2e15c71a8a15811f0703b
SHA12e0aa774b78e8ad21403b108972b27286163b5f8
SHA256b62a210202d467bb601199b7fb02b3d3a14e739c40210bb242cae9fc96e43182
SHA5129e9e57c2f22660d8753a39b36a97a48ecec191ea2bc5345ca08bafa5eee43562b1b5f145c403323e2a37311cf3a77ebb1d0a802314478419164108b0f489553e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec