Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:13
Static task
static1
Behavioral task
behavioral1
Sample
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe
Resource
win10v2004-20240426-en
General
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Target
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe
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Size
4.1MB
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MD5
1940b73b82cf8d36c62425eeac71c544
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SHA1
e20db1a43d69f28ebd3c0d066d9f6888b350b87b
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SHA256
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120
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SHA512
8815a277c7e8a77aca1a43145fec3b7c23b711c0ecf3a0247b4d0a6c4d63ce038bef64ea382fc01f3e2a67ed21bda1c7f80009efae2a5ada5b5318aa5fb0d8a6
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SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSg:QuOpIddBi3V8Ojm7gWylM939Cd
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4616-2-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral2/memory/4616-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-108-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral2/memory/4616-107-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4756-123-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4616-181-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2392-199-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-209-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-218-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-221-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2392-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4964 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2392 csrss.exe 2036 injector.exe 3380 windefender.exe 4184 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa11-202.dat upx behavioral2/memory/3380-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4184-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3380-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4184-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4184-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execsrss.exedescription 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\"" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe -
Drops file in Windows directory 4 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe File created C:\Windows\rss\csrss.exe 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.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.
Processes:
sc.exepid Process 5068 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2608 powershell.exe 2400 powershell.exe 4980 powershell.exe 3912 powershell.exe 5016 powershell.exe 2720 powershell.exe 3344 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1936 schtasks.exe 2664 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.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,-692 = "Tasmania Standard Time" windefender.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2400 powershell.exe 2400 powershell.exe 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4980 powershell.exe 4980 powershell.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 3912 powershell.exe 3912 powershell.exe 5016 powershell.exe 5016 powershell.exe 2720 powershell.exe 2720 powershell.exe 3344 powershell.exe 3344 powershell.exe 2608 powershell.exe 2608 powershell.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2392 csrss.exe 2392 csrss.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2392 csrss.exe 2392 csrss.exe 2036 injector.exe 2036 injector.exe 2392 csrss.exe 2392 csrss.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Token: SeImpersonatePrivilege 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeSystemEnvironmentPrivilege 2392 csrss.exe Token: SeSecurityPrivilege 5068 sc.exe Token: SeSecurityPrivilege 5068 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4616 wrote to memory of 2400 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 81 PID 4616 wrote to memory of 2400 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 81 PID 4616 wrote to memory of 2400 4616 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 81 PID 4756 wrote to memory of 4980 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 87 PID 4756 wrote to memory of 4980 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 87 PID 4756 wrote to memory of 4980 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 87 PID 4756 wrote to memory of 2892 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 89 PID 4756 wrote to memory of 2892 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 89 PID 2892 wrote to memory of 4964 2892 cmd.exe 91 PID 2892 wrote to memory of 4964 2892 cmd.exe 91 PID 4756 wrote to memory of 3912 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 92 PID 4756 wrote to memory of 3912 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 92 PID 4756 wrote to memory of 3912 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 92 PID 4756 wrote to memory of 5016 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4756 wrote to memory of 5016 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4756 wrote to memory of 5016 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 94 PID 4756 wrote to memory of 2392 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 96 PID 4756 wrote to memory of 2392 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 96 PID 4756 wrote to memory of 2392 4756 6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe 96 PID 2392 wrote to memory of 2720 2392 csrss.exe 97 PID 2392 wrote to memory of 2720 2392 csrss.exe 97 PID 2392 wrote to memory of 2720 2392 csrss.exe 97 PID 2392 wrote to memory of 3344 2392 csrss.exe 103 PID 2392 wrote to memory of 3344 2392 csrss.exe 103 PID 2392 wrote to memory of 3344 2392 csrss.exe 103 PID 2392 wrote to memory of 2608 2392 csrss.exe 105 PID 2392 wrote to memory of 2608 2392 csrss.exe 105 PID 2392 wrote to memory of 2608 2392 csrss.exe 105 PID 2392 wrote to memory of 2036 2392 csrss.exe 107 PID 2392 wrote to memory of 2036 2392 csrss.exe 107 PID 3380 wrote to memory of 4672 3380 windefender.exe 113 PID 3380 wrote to memory of 4672 3380 windefender.exe 113 PID 3380 wrote to memory of 4672 3380 windefender.exe 113 PID 4672 wrote to memory of 5068 4672 cmd.exe 114 PID 4672 wrote to memory of 5068 4672 cmd.exe 114 PID 4672 wrote to memory of 5068 4672 cmd.exe 114 -
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\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.exe"C:\Users\Admin\AppData\Local\Temp\6c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120.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:4756 -
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:4980
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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:2892 -
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:4964
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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:3912
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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:5016
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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:2392 -
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:2720
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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:1936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2744
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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:3344
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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:2608
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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:2036
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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:2664
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3380 -
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:4672 -
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:5068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4184
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
MD58860936d6f054feecd3c9f687aaed987
SHA19e48441398f57d92738e8e09d16e6b71988ca279
SHA2568caf9883df72f7f6212a8791f086b8bb550c0c4892d86b5bb1434151bdb79d62
SHA5121e00ce3fb664dde7c91a0344ba429345e21fddf8470bd656bdee9cb898370ee298ea24d084e71bc69df2d78456c2dfe826010c499c0ccbd4153d4a8ac7a6d828
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bf62ddeac9b5d2e30875496de072d31
SHA11b467c0156ebca359df191e28446c8e5a29922ee
SHA256384691a2510056daa1d0f91122f6f8002c6abaf352392b1e34fe96443b3eb2bf
SHA512d4d0fbf6088ee1256d0204f43f3ef0ac598603f8fa921a494df924710021591f6a539260ee117507872b6a0d262ba19ff731043d2a0bc58a9729b6e89bfe66aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54532ee6cfcab56459f2d6f2ce23504b8
SHA1bc6de681e8f35ad50bbcb1ab2b51af23cbc4277c
SHA256c25492494425112ef4cf1f1306246e42578a37aeb8932cc4b2c39ec8a91b643b
SHA51226c1e8fac1ff031c6df792a6d61ae095cd5b51d38ba6e47d441ab65183c1112bdb0a12aad1d66dcb43fee3c10afe2300e63905179d3783d92ec7edcfb32036bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d927959cb0a1c9107fb6d9152947af8
SHA121ba9d66aea00c99486ce31a46ab3415b167a4e1
SHA256ce78a1d49cb06c1efc67641b11be04509bc980b0122fb75c8b947eb585a21f41
SHA5120135b67bddf2a1b58b73eba50b6f0c81dddaf63a34305d8561fab45159a25ce51844cf6c9992961b3b2f36aeef386a3c0c05399352780c93661f7defd80e9d1c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f91590ae0a21441c044de95325b1bb10
SHA1ebd53c1aa4d683d629b9574c46a5c53a7fae2b49
SHA2563bd187e5c79790e803b37db14314046fabb9dd5fa81bcd0655d143aedc6f8505
SHA5123d432b5dd3770cf2d7ea30b286b0048750b94f8daca8890fa5afedf9096bcf6b4b85bceb8fbbb4ac7d6cf589d14af146e6b531fc445f2fd9a25e6942d887d321
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Filesize
4.1MB
MD51940b73b82cf8d36c62425eeac71c544
SHA1e20db1a43d69f28ebd3c0d066d9f6888b350b87b
SHA2566c758795d198ffae118d2cf0a312c1f9420bcd7a5c27918ff3504d654fae2120
SHA5128815a277c7e8a77aca1a43145fec3b7c23b711c0ecf3a0247b4d0a6c4d63ce038bef64ea382fc01f3e2a67ed21bda1c7f80009efae2a5ada5b5318aa5fb0d8a6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec