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Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 01:33
Static task
static1
Behavioral task
behavioral1
Sample
23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe
Resource
win10v2004-20240508-en
General
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Target
23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe
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Size
4.1MB
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MD5
c1a7774cf77e332849c972eda5ad6b43
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SHA1
80784830aaaf964b5f260c3a58e942510c99206c
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SHA256
23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b
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SHA512
050a70ab57e9ad542997bb324b4d8d4b3fe833427e5a294a12800e0dbd7a46be676e8f3f91dd5b6bd30a887396d77eeaa3f880b706d134d3897e9d966d8b1cfb
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SSDEEP
98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PFZ:Bos8riuQnYS21lsngzdH/0gD
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2996-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/2996-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2996-96-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/2996-95-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2080-135-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2996-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2176-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-236-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-248-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-251-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-256-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2176-260-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 228 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2176 csrss.exe 2652 injector.exe 2964 windefender.exe 2116 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233fc-221.dat upx behavioral1/memory/2964-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe File created C:\Windows\rss\csrss.exe 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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 2772 sc.exe -
pid Process 4940 powershell.exe 1820 powershell.exe 2060 powershell.exe 2936 powershell.exe 2896 powershell.exe 1616 powershell.exe 4896 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 3140 schtasks.exe 3956 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,-1661 = "Bahia Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-502 = "Nepal Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2896 powershell.exe 2896 powershell.exe 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 1616 powershell.exe 1616 powershell.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 4896 powershell.exe 4896 powershell.exe 4940 powershell.exe 4940 powershell.exe 1820 powershell.exe 1820 powershell.exe 2060 powershell.exe 2060 powershell.exe 2936 powershell.exe 2936 powershell.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2176 csrss.exe 2176 csrss.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2176 csrss.exe 2176 csrss.exe 2652 injector.exe 2652 injector.exe 2176 csrss.exe 2176 csrss.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe 2652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2896 powershell.exe Token: SeDebugPrivilege 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Token: SeImpersonatePrivilege 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeSystemEnvironmentPrivilege 2176 csrss.exe Token: SeSecurityPrivilege 2772 sc.exe Token: SeSecurityPrivilege 2772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2896 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 85 PID 2996 wrote to memory of 2896 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 85 PID 2996 wrote to memory of 2896 2996 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 85 PID 2080 wrote to memory of 1616 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 97 PID 2080 wrote to memory of 1616 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 97 PID 2080 wrote to memory of 1616 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 97 PID 2080 wrote to memory of 4380 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 99 PID 2080 wrote to memory of 4380 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 99 PID 4380 wrote to memory of 228 4380 cmd.exe 101 PID 4380 wrote to memory of 228 4380 cmd.exe 101 PID 2080 wrote to memory of 4896 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 103 PID 2080 wrote to memory of 4896 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 103 PID 2080 wrote to memory of 4896 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 103 PID 2080 wrote to memory of 4940 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 106 PID 2080 wrote to memory of 4940 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 106 PID 2080 wrote to memory of 4940 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 106 PID 2080 wrote to memory of 2176 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 108 PID 2080 wrote to memory of 2176 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 108 PID 2080 wrote to memory of 2176 2080 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 108 PID 2176 wrote to memory of 1820 2176 csrss.exe 109 PID 2176 wrote to memory of 1820 2176 csrss.exe 109 PID 2176 wrote to memory of 1820 2176 csrss.exe 109 PID 2176 wrote to memory of 2060 2176 csrss.exe 115 PID 2176 wrote to memory of 2060 2176 csrss.exe 115 PID 2176 wrote to memory of 2060 2176 csrss.exe 115 PID 2176 wrote to memory of 2936 2176 csrss.exe 117 PID 2176 wrote to memory of 2936 2176 csrss.exe 117 PID 2176 wrote to memory of 2936 2176 csrss.exe 117 PID 2176 wrote to memory of 2652 2176 csrss.exe 119 PID 2176 wrote to memory of 2652 2176 csrss.exe 119 PID 2964 wrote to memory of 1536 2964 windefender.exe 126 PID 2964 wrote to memory of 1536 2964 windefender.exe 126 PID 2964 wrote to memory of 1536 2964 windefender.exe 126 PID 1536 wrote to memory of 2772 1536 cmd.exe 127 PID 1536 wrote to memory of 2772 1536 cmd.exe 127 PID 1536 wrote to memory of 2772 1536 cmd.exe 127 -
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\23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe"C:\Users\Admin\AppData\Local\Temp\23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Users\Admin\AppData\Local\Temp\23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe"C:\Users\Admin\AppData\Local\Temp\23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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:2080 -
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:1616
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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:4380 -
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:228
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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:4896
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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:4940
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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:2176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820
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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:3140
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4876
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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:2060
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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:2936
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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:2652
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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:3956
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2964 -
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:1536 -
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:2772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2116
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fbb9786775209b4b9a399210fc85f5ea
SHA1a6ee6ab1cbb8cd1b92bdcd4858053885b96311d9
SHA256b9976922da0f8556792cad9f5478db56106558cf2926fcd00370006bc848f7e4
SHA5128ac58b53dc6d0e1e19b19662f9d8aaba192a5b881b10a0898c09d0309b05109d829251c106c4a0b58e0ea6557cd564f43b1f070eafff52a78d6776d7446789b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bde3fad8754a53d7dea56187e70c507f
SHA198a6f7cea77e664e8e77185d003a201086920399
SHA256f773287b4de6dc73574a0ab8425d1c285567af4aa2303c80c91c6646407d868a
SHA51202392a7f98dcc5d56f51383221fcff1c3836f3ad4220d0bafb0fc254e67ad8e8263fee83eb8e0a9e7244e3df298bf65052c29e8f61f3035fd12aa764f092efe0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e32b102abdc4e21a07c6dcc0b7047ada
SHA1f2c0281489b98b3f2bdd183dc1101b4b2accaece
SHA25642a2902e56711a1be953b36f4c4252d616a0e15ec4506cc77c8d6e10f9efaaea
SHA5128ce98b9cc067a6264c9248ed231a62aa4242f1374d2146d01e8832fc74ee5d3fe32b7af2578001d0d4c540635e4ccd088f97f4ac6a87817c9607e8e6d0c07cb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c0e18838b8c1a97ec67799be28f52594
SHA19c67bcb49d9f3aa1ddb10688ec7270a186414356
SHA256959322dfb392a92b680e204ecce4816a185425d454a818ea9a77394c5c3b7da7
SHA512c62d7df52eea3a32282c4fffa8eaad37993cb169e98640259fb73621306448817ab58c50bf25d956baaced4f3cc071c943882671e13d4b8faf5633ee8639b7c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a26be8fcc37478a4b3e27c7b8bfe9e1c
SHA18f3234a34d4554be1f39beb7a23bad0c42561d90
SHA2569c23fa38c979ffb989990c0509adb946ff792d239de0955c333d76fc349e84bf
SHA5125a784cdf4a1dd06ee70f1bee43b2dbd4939ede07271334dca9af072a1a1088a32f416c79fab9f65691a46ea94385b0009836a4b8bd136101705b5d73f8db5498
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Filesize
4.1MB
MD5c1a7774cf77e332849c972eda5ad6b43
SHA180784830aaaf964b5f260c3a58e942510c99206c
SHA25623c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b
SHA512050a70ab57e9ad542997bb324b4d8d4b3fe833427e5a294a12800e0dbd7a46be676e8f3f91dd5b6bd30a887396d77eeaa3f880b706d134d3897e9d966d8b1cfb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec