Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 09:53
Static task
static1
Behavioral task
behavioral1
Sample
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe
Resource
win10v2004-20240426-en
General
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Target
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe
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Size
4.1MB
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MD5
41741bd88e1d102f077b036648b2c687
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SHA1
8a96ce47debb903d8b2b134188d5798bdee6649a
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SHA256
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7
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SHA512
dd238fcc5ae0e43b657727f722937b4a7dde60ef22c37179b803af72b3e7e910688b0dd92f55edb6eed1ccc274937e5ec05fce2868300437d65ad3dd2953b36e
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SSDEEP
98304:EhY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtia9:6YlRLXY4O+pXvrLaqWuck
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2368-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/2368-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2368-74-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/2368-90-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-89-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1720-122-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1720-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-141-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1772-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2884 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1772 csrss.exe 4824 injector.exe 3484 windefender.exe 2776 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9cf-209.dat upx behavioral2/memory/3484-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3484-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2776-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2776-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2776-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 -
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 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe File created C:\Windows\rss\csrss.exe ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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 2912 sc.exe -
pid Process 3936 powershell.exe 2820 powershell.exe 2756 powershell.exe 1196 powershell.exe 1308 powershell.exe 4156 powershell.exe 2524 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 2840 schtasks.exe 4084 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\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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,-2412 = "Marquesas Standard 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" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.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\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran 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,-511 = "Central Asia Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. 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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe 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,-391 = "Arab Daylight Time" windefender.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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3936 powershell.exe 3936 powershell.exe 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2820 powershell.exe 2820 powershell.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2756 powershell.exe 2756 powershell.exe 1196 powershell.exe 1196 powershell.exe 1308 powershell.exe 1308 powershell.exe 4156 powershell.exe 4156 powershell.exe 2524 powershell.exe 2524 powershell.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 1772 csrss.exe 1772 csrss.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 1772 csrss.exe 1772 csrss.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 1772 csrss.exe 1772 csrss.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe 4824 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Token: SeImpersonatePrivilege 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 2756 powershell.exe Token: SeDebugPrivilege 1196 powershell.exe Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeSystemEnvironmentPrivilege 1772 csrss.exe Token: SeSecurityPrivilege 2912 sc.exe Token: SeSecurityPrivilege 2912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2368 wrote to memory of 3936 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 82 PID 2368 wrote to memory of 3936 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 82 PID 2368 wrote to memory of 3936 2368 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 82 PID 1720 wrote to memory of 2820 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 87 PID 1720 wrote to memory of 2820 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 87 PID 1720 wrote to memory of 2820 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 87 PID 1720 wrote to memory of 4864 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 89 PID 1720 wrote to memory of 4864 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 89 PID 4864 wrote to memory of 2884 4864 cmd.exe 91 PID 4864 wrote to memory of 2884 4864 cmd.exe 91 PID 1720 wrote to memory of 2756 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 92 PID 1720 wrote to memory of 2756 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 92 PID 1720 wrote to memory of 2756 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 92 PID 1720 wrote to memory of 1196 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 94 PID 1720 wrote to memory of 1196 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 94 PID 1720 wrote to memory of 1196 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 94 PID 1720 wrote to memory of 1772 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 96 PID 1720 wrote to memory of 1772 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 96 PID 1720 wrote to memory of 1772 1720 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 96 PID 1772 wrote to memory of 1308 1772 csrss.exe 97 PID 1772 wrote to memory of 1308 1772 csrss.exe 97 PID 1772 wrote to memory of 1308 1772 csrss.exe 97 PID 1772 wrote to memory of 4156 1772 csrss.exe 103 PID 1772 wrote to memory of 4156 1772 csrss.exe 103 PID 1772 wrote to memory of 4156 1772 csrss.exe 103 PID 1772 wrote to memory of 2524 1772 csrss.exe 105 PID 1772 wrote to memory of 2524 1772 csrss.exe 105 PID 1772 wrote to memory of 2524 1772 csrss.exe 105 PID 1772 wrote to memory of 4824 1772 csrss.exe 107 PID 1772 wrote to memory of 4824 1772 csrss.exe 107 PID 3484 wrote to memory of 2412 3484 windefender.exe 113 PID 3484 wrote to memory of 2412 3484 windefender.exe 113 PID 3484 wrote to memory of 2412 3484 windefender.exe 113 PID 2412 wrote to memory of 2912 2412 cmd.exe 114 PID 2412 wrote to memory of 2912 2412 cmd.exe 114 PID 2412 wrote to memory of 2912 2412 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3936
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C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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:1720 -
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:2820
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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:4864 -
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:2884
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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:2756
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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:1196
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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:1772 -
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:1308
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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:4084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2908
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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:4156
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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:2524
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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:4824
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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:2840
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
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:2412 -
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:2912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2776
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
MD5359b4302c4b580472ff4e3ab8a4c0add
SHA17f2977de0d27860bf2757de93545499b0dacf65e
SHA25687838bb3d23e60ead9c0689cf1e7f2003f220175eea15784ca41c39273a16d5d
SHA5126cc1b3cce19c8e6e60d2c10059a2c7b8aa79296953a712188669faedfa28206ff5c0c23e81de8e67541c58bd86eb81bb26f8fe84a0e30f9d005fd4018ec835a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f86a6a465654d8157de493d7bc087c72
SHA1e7d6fb949862374c78da58270eba109dbcb9b660
SHA2566ee1b3e54044aa78f83736276dc3eb6dc998679396f82ca9da5f71ae925bbb69
SHA512cbe6ddcfd50f4ccc7b2148f5fadac92cc30436a3af94ad3a2f11f571e195d6abad8ee463a77e2680d2b0dea6f0c786f96fac21dc230d79d2041f5e9215eb00dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5025a647b2e380a81c79c60e7ded24c73
SHA13c3762a7829b18664f41b71162007c77070323a3
SHA2560d01d653867ed2ac3e96912b34e773e9c5cc81d3db75c5f50c286380ce3fc959
SHA512be7c2c441381938e22d6673773e4ad870aae53851ef0a2a11ebc9f1c5c505a68736872ce69c80283e009d16fca2f1eb27b1c15a8f433c4f4b814b1dbf8994240
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548110ca9f834e2a1fb096fb962addd8e
SHA16dee5c742de3afef8b71d1331d4ce641109f413d
SHA2567b83fd850cf461c5dfc10b862188395b9d751a67b8a05f18a644322f39635717
SHA512c77a6de49e85dfa29fc42f5a347fa7f1b3e684b740bda7bc882a0915e77f8beb282575731d9507bbeb1fea364507e1d9ffaa9ba7721b40b2dab17e31c2afc020
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a5b64e64b941c0db3b72c1a7a2696bd
SHA1470bea420b13ef84c1ebbaf36e270d397453e2b7
SHA25673a614114d7a0b2092a3f21181eec6f8c8f474d923ccb64f58346267ab1d5e6f
SHA5128bc277fc7246bbf268a652e2ae1288e6503a29cc8fe9b387824be6bda9b41a16cd37135401c820c4085cd3c13c0d93f60cf9602702fed35b73f20ecd5fbbf449
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Filesize
4.1MB
MD541741bd88e1d102f077b036648b2c687
SHA18a96ce47debb903d8b2b134188d5798bdee6649a
SHA256ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7
SHA512dd238fcc5ae0e43b657727f722937b4a7dde60ef22c37179b803af72b3e7e910688b0dd92f55edb6eed1ccc274937e5ec05fce2868300437d65ad3dd2953b36e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec