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Analysis
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max time kernel
149s -
max time network
152s -
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, 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 18 IoCs
resource yara_rule behavioral2/memory/1788-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/1788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3544-123-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1788-119-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/1788-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4084-200-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-211-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-214-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-220-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-223-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4084-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4084 csrss.exe 5036 injector.exe 5116 windefender.exe 800 windefender.exe -
resource yara_rule behavioral2/memory/5116-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa47-206.dat upx behavioral2/memory/5116-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/800-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/800-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/800-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 4796 sc.exe -
pid Process 1824 powershell.exe 1388 powershell.exe 4624 powershell.exe 4524 powershell.exe 4856 powershell.exe 1640 powershell.exe 5020 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 32 schtasks.exe 3444 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,-361 = "GTB Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-292 = "Central European Standard Time" windefender.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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.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,-82 = "Atlantic Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4624 powershell.exe 4624 powershell.exe 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 4524 powershell.exe 4524 powershell.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 4856 powershell.exe 4856 powershell.exe 1640 powershell.exe 1640 powershell.exe 5020 powershell.exe 5020 powershell.exe 1824 powershell.exe 1824 powershell.exe 1388 powershell.exe 1388 powershell.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 4084 csrss.exe 4084 csrss.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 4084 csrss.exe 4084 csrss.exe 5036 injector.exe 5036 injector.exe 4084 csrss.exe 4084 csrss.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe 5036 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Token: SeImpersonatePrivilege 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeSystemEnvironmentPrivilege 4084 csrss.exe Token: SeSecurityPrivilege 4796 sc.exe Token: SeSecurityPrivilege 4796 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1788 wrote to memory of 4624 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 79 PID 1788 wrote to memory of 4624 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 79 PID 1788 wrote to memory of 4624 1788 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 79 PID 3544 wrote to memory of 4524 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 84 PID 3544 wrote to memory of 4524 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 84 PID 3544 wrote to memory of 4524 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 84 PID 3544 wrote to memory of 1852 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 86 PID 3544 wrote to memory of 1852 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 86 PID 1852 wrote to memory of 2784 1852 cmd.exe 88 PID 1852 wrote to memory of 2784 1852 cmd.exe 88 PID 3544 wrote to memory of 4856 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 89 PID 3544 wrote to memory of 4856 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 89 PID 3544 wrote to memory of 4856 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 89 PID 3544 wrote to memory of 1640 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 91 PID 3544 wrote to memory of 1640 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 91 PID 3544 wrote to memory of 1640 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 91 PID 3544 wrote to memory of 4084 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 93 PID 3544 wrote to memory of 4084 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 93 PID 3544 wrote to memory of 4084 3544 23c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b.exe 93 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 5020 4084 csrss.exe 94 PID 4084 wrote to memory of 1824 4084 csrss.exe 100 PID 4084 wrote to memory of 1824 4084 csrss.exe 100 PID 4084 wrote to memory of 1824 4084 csrss.exe 100 PID 4084 wrote to memory of 1388 4084 csrss.exe 102 PID 4084 wrote to memory of 1388 4084 csrss.exe 102 PID 4084 wrote to memory of 1388 4084 csrss.exe 102 PID 4084 wrote to memory of 5036 4084 csrss.exe 104 PID 4084 wrote to memory of 5036 4084 csrss.exe 104 PID 5116 wrote to memory of 3864 5116 windefender.exe 110 PID 5116 wrote to memory of 3864 5116 windefender.exe 110 PID 5116 wrote to memory of 3864 5116 windefender.exe 110 PID 3864 wrote to memory of 4796 3864 cmd.exe 111 PID 3864 wrote to memory of 4796 3864 cmd.exe 111 PID 3864 wrote to memory of 4796 3864 cmd.exe 111 -
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:1788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
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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:3544 -
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:4524
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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:1852 -
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:2784
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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:4856
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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:1640
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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:4084 -
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:5020
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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:3444
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1364
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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:1824
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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:1388
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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:5036
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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:32
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5116 -
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:3864 -
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:4796
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:800
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
MD59d8cbfd978b890fbc1d525cb18defa5c
SHA1dc25c5be626285b6e3f11f7af7ab597c18a04d9f
SHA256ed3f3178619460b9b213845986c96d2be375e4b9f739356485d9a5bea6ccb35b
SHA512a112dae7ad88d410ab66d14564f68bde808480f393f695f9f2994f18c9231d5cedd18200003740cdeeb353c64e6d113c393736d681c07ff9994ecdf7e008b061
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c622e5b78a75a917405dfb980830051
SHA173da8530e3d03ceddbfa8137bdb38c70c0ba9cd9
SHA256924075c8c3952c07aecf085c1c530ad9de28e2c098992b988bc378cdf25fbb86
SHA5126c799e674222d975ef217359af89a7805b341b24b21129f63f563b8fe02eff9a29ca48b5245ff3adc58f2b36197aa3abc2ff85780829aa431c001dc38c39892f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1759a8e62ffb437ff09d02190607890
SHA124677e39114b174a060105659a4fd8d75c8595cd
SHA256f2b00d88a171e1845644815ff8c8eb2c3bd2fbcd9db65b132936a69a7e33179d
SHA51221f925b010ca503bcb3b357ec14615bd0c71b9cd4a941e20d66f3d44f6b6f3b78407b9ac15d006945b303047972162db0298ae47ad1b0d133b1d5d9f20d0581e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aefba54edf2f2150ce8bab2320a839ac
SHA1145a32541f9713b70b394f256cbf2b35dff7cf2e
SHA256e3877ce5bf69138cf415f9ca546d8865841ac1eb3ba4c85ae1a93f39b63193d3
SHA51228e45bf8c3d44a96820b21ac1e71d9fec39e6da5b15df2729d2b5da2d5a01bf7f9f1ca49d18573488af0557600264c85b4dc27ed96b68a5d27c2224a4d320e4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5337195db7af081f7b267d6f59919c6f9
SHA1077e88757d74a4c834241b44ffa9d2a2d5307f58
SHA256a607fa2e58e6053191e236c531bdb9c265009e7b32aac40054d780445ffaec88
SHA512da3e09833abd8f24dced03e92fd44e758906ba9a85fd7c68cdec3896b91ea706ab79faa2dc57fb7f0e54226f75008d20402e4ce6c440184903dcd128f92482ab
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Filesize
4.1MB
MD5c1a7774cf77e332849c972eda5ad6b43
SHA180784830aaaf964b5f260c3a58e942510c99206c
SHA25623c06d27172faef98f813531addb2215887c69fd8b37d8823629adfda100804b
SHA512050a70ab57e9ad542997bb324b4d8d4b3fe833427e5a294a12800e0dbd7a46be676e8f3f91dd5b6bd30a887396d77eeaa3f880b706d134d3897e9d966d8b1cfb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec