Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe
Resource
win10v2004-20240508-en
General
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Target
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe
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Size
4.1MB
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MD5
c308c23d0f561b0a432408f226918546
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SHA1
15f335c23dbbefbb7a217a92c285eb68943bdd12
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SHA256
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b
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SHA512
9c0677305ea14fe837199981a884b028adc5492b0ca5fe959bacc3612927bada70f409c0405096765ca9b112e0916ae24933c6ec7fa9d2089a0fc92b353f66da
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SSDEEP
98304:tBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntL:tBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nF
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3912-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/3912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3912-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3912-76-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/4248-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3880 csrss.exe 2072 injector.exe 4960 windefender.exe 2744 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa20-204.dat upx behavioral2/memory/4960-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4960-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe File created C:\Windows\rss\csrss.exe d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe File created 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 2560 sc.exe -
pid Process 1100 powershell.exe 2624 powershell.exe 4388 powershell.exe 2712 powershell.exe 3884 powershell.exe 4008 powershell.exe 3636 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 3308 schtasks.exe 684 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,-1821 = "Russia TZ 1 Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard 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)" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-1722 = "Libya 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\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins 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,-512 = "Central Asia Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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,-381 = "South Africa 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" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1100 powershell.exe 1100 powershell.exe 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 2624 powershell.exe 2624 powershell.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4388 powershell.exe 4388 powershell.exe 2712 powershell.exe 2712 powershell.exe 3884 powershell.exe 3884 powershell.exe 4008 powershell.exe 4008 powershell.exe 3636 powershell.exe 3636 powershell.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3880 csrss.exe 3880 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3880 csrss.exe 3880 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3880 csrss.exe 3880 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Token: SeImpersonatePrivilege 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeSystemEnvironmentPrivilege 3880 csrss.exe Token: SeSecurityPrivilege 2560 sc.exe Token: SeSecurityPrivilege 2560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3912 wrote to memory of 1100 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 3912 wrote to memory of 1100 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 3912 wrote to memory of 1100 3912 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 4248 wrote to memory of 2624 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 88 PID 4248 wrote to memory of 2624 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 88 PID 4248 wrote to memory of 2624 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 88 PID 4248 wrote to memory of 2264 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 90 PID 4248 wrote to memory of 2264 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 90 PID 2264 wrote to memory of 408 2264 cmd.exe 92 PID 2264 wrote to memory of 408 2264 cmd.exe 92 PID 4248 wrote to memory of 4388 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 93 PID 4248 wrote to memory of 4388 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 93 PID 4248 wrote to memory of 4388 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 93 PID 4248 wrote to memory of 2712 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 95 PID 4248 wrote to memory of 2712 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 95 PID 4248 wrote to memory of 2712 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 95 PID 4248 wrote to memory of 3880 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 97 PID 4248 wrote to memory of 3880 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 97 PID 4248 wrote to memory of 3880 4248 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 97 PID 3880 wrote to memory of 3884 3880 csrss.exe 98 PID 3880 wrote to memory of 3884 3880 csrss.exe 98 PID 3880 wrote to memory of 3884 3880 csrss.exe 98 PID 3880 wrote to memory of 4008 3880 csrss.exe 103 PID 3880 wrote to memory of 4008 3880 csrss.exe 103 PID 3880 wrote to memory of 4008 3880 csrss.exe 103 PID 3880 wrote to memory of 3636 3880 csrss.exe 106 PID 3880 wrote to memory of 3636 3880 csrss.exe 106 PID 3880 wrote to memory of 3636 3880 csrss.exe 106 PID 3880 wrote to memory of 2072 3880 csrss.exe 108 PID 3880 wrote to memory of 2072 3880 csrss.exe 108 PID 4960 wrote to memory of 1732 4960 windefender.exe 114 PID 4960 wrote to memory of 1732 4960 windefender.exe 114 PID 4960 wrote to memory of 1732 4960 windefender.exe 114 PID 1732 wrote to memory of 2560 1732 cmd.exe 115 PID 1732 wrote to memory of 2560 1732 cmd.exe 115 PID 1732 wrote to memory of 2560 1732 cmd.exe 115 -
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\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.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:4248 -
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:2624
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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:2264 -
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:408
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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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:2712
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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:3880 -
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:3884
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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:3308
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4396
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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:4008
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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:3636
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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:2072
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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:684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4960 -
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:1732 -
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:2560
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2744
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bd2cefe7e89f9f21a9988731e78f4d4
SHA122e1247c89a85089553a4dc9546a75e4248db994
SHA2561af73fa426c01bd4974aba6524b46317aa2a9184f0bea9fdc95ec2a4d7863c9f
SHA5128200d3035159e70eceea6f115edcd0d342627b20374dc4f39d1f39c7708c1a3eeb2f439a4a39605e1c65506f84f4fa2303528402cde3a51ac051fbe482b187c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c1325e479598537f22085f88f803d2c
SHA19897f44f34c8dfa90d650a7a9374d6c5c6d6bae1
SHA256879d010fc5abc05298972ad318a5cd33155c81263e5e41d9b0cb716239085ace
SHA5128e75bf1d767fab1f73f004f9f000650f7f2f38548fed80e6198367382802cf8a86ff659bb3177ab81612dc8218e490b13f900cdca641baf7afc7ed005bbf453a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54cfe865c5bd92f6355e5a334c0ce388f
SHA103dd6ecb60ac9cfacb18936634453c4e5384be0a
SHA25647b6b0067c1fc02c275c95dc1f91b0191546efc9875875cbeeb8e5fb50266728
SHA51272c09609f498e16ad29daf22b1ce23932362e2794bcc9f6f90ed71ca2be3e17d137a3f18bab3ed86b6e98f323b0978ef7d773ed461d0c4ac750c363385fcafbc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5cf7914b06963b6381d25a09fa89706
SHA179006ad47d15f8a02567243a77deca017d6f4a64
SHA25679a893f6ea425d14f9549060dc4e711ebd0367fafc184aa5ef63ee8dcb73c4eb
SHA5120890ca0b2d6d5ef970abe2769f4c0ef7cf949efa2d17b2964d6123aedd1053b5602e014007ca6a3b4695fca9e6a8337ce36c5807d8c6b602fc183b4ae7cfd06a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5581fe8a784900084665e41956a6dafa8
SHA1b261f96713b1a36862cec6603e59f950c4d45c40
SHA2569ae014093ce748d4e8b30f7a32fe9c52e73953a0c7610e1324f468da77dffc85
SHA51213bd4cbf5e5c7f3c763966244a343f4c2975aca06c2f2b621635d0376ee2caccdba87fa376a260572b941d90464e4a9516a3fb3b2edb624b45e182097ea4958d
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Filesize
4.1MB
MD5c308c23d0f561b0a432408f226918546
SHA115f335c23dbbefbb7a217a92c285eb68943bdd12
SHA256d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b
SHA5129c0677305ea14fe837199981a884b028adc5492b0ca5fe959bacc3612927bada70f409c0405096765ca9b112e0916ae24933c6ec7fa9d2089a0fc92b353f66da
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec