Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2023 10:30
Static task
static1
General
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Target
142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe
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Size
4.1MB
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MD5
8f5ed0256d9caf145da25b1d75934165
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SHA1
ee4fda9fb2b6d8742b3de1584dfccb2e416d97ad
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SHA256
142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d
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SHA512
303a7e0ae88bbb91834ff9a91244e01a1cae1163b9c64474e758c244c4b743c16478a82e7f2e5f31ddd4d1551f6f9c7d2fd12f225aa366116f83c6877c8864cb
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SSDEEP
98304:5zfyAf11vqsBUtKd39mrHSMY4M6QX/10w1APD/eFP3n:5zyEj7GtmN3MY4M6u6DS
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4328-2-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral1/memory/4328-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4328-24-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4328-27-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral1/memory/4328-33-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4328-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2092-61-0x0000000002A50000-0x0000000002E4A000-memory.dmp family_glupteba behavioral1/memory/2092-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2092-88-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2092-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2092-150-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2092-187-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-191-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-259-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1668-294-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1048 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1668 csrss.exe 1804 injector.exe 2584 windefender.exe 4064 windefender.exe 4844 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000a000000022c5a-263.dat upx behavioral1/files/0x000a000000022c5a-265.dat upx behavioral1/files/0x000a000000022c5a-266.dat upx behavioral1/memory/2584-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4064-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4064-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4064-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000b000000022c72-290.dat upx behavioral1/files/0x000b000000022c72-292.dat upx behavioral1/memory/4064-293-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-297-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4844-299-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\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 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe File created C:\Windows\rss\csrss.exe 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.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 644 sc.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 2004 schtasks.exe 3164 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.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\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2136 powershell.exe 2136 powershell.exe 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 4432 powershell.exe 4432 powershell.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 4956 powershell.exe 4956 powershell.exe 3752 powershell.exe 3752 powershell.exe 2752 powershell.exe 2752 powershell.exe 2752 powershell.exe 4376 powershell.exe 4376 powershell.exe 4376 powershell.exe 1416 powershell.exe 1416 powershell.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1668 csrss.exe 1668 csrss.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1668 csrss.exe 1668 csrss.exe 1804 injector.exe 1804 injector.exe 1668 csrss.exe 1668 csrss.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe 1804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Token: SeImpersonatePrivilege 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 1416 powershell.exe Token: SeSystemEnvironmentPrivilege 1668 csrss.exe Token: SeSecurityPrivilege 644 sc.exe Token: SeSecurityPrivilege 644 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4328 wrote to memory of 2136 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 92 PID 4328 wrote to memory of 2136 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 92 PID 4328 wrote to memory of 2136 4328 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 92 PID 2092 wrote to memory of 4432 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 98 PID 2092 wrote to memory of 4432 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 98 PID 2092 wrote to memory of 4432 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 98 PID 2092 wrote to memory of 3568 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 100 PID 2092 wrote to memory of 3568 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 100 PID 3568 wrote to memory of 1048 3568 cmd.exe 102 PID 3568 wrote to memory of 1048 3568 cmd.exe 102 PID 2092 wrote to memory of 4956 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 104 PID 2092 wrote to memory of 4956 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 104 PID 2092 wrote to memory of 4956 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 104 PID 2092 wrote to memory of 3752 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 106 PID 2092 wrote to memory of 3752 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 106 PID 2092 wrote to memory of 3752 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 106 PID 2092 wrote to memory of 1668 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 109 PID 2092 wrote to memory of 1668 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 109 PID 2092 wrote to memory of 1668 2092 142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe 109 PID 1668 wrote to memory of 2752 1668 csrss.exe 112 PID 1668 wrote to memory of 2752 1668 csrss.exe 112 PID 1668 wrote to memory of 2752 1668 csrss.exe 112 PID 1668 wrote to memory of 4376 1668 csrss.exe 117 PID 1668 wrote to memory of 4376 1668 csrss.exe 117 PID 1668 wrote to memory of 4376 1668 csrss.exe 117 PID 1668 wrote to memory of 1416 1668 csrss.exe 124 PID 1668 wrote to memory of 1416 1668 csrss.exe 124 PID 1668 wrote to memory of 1416 1668 csrss.exe 124 PID 1668 wrote to memory of 1804 1668 csrss.exe 126 PID 1668 wrote to memory of 1804 1668 csrss.exe 126 PID 2584 wrote to memory of 4280 2584 windefender.exe 132 PID 2584 wrote to memory of 4280 2584 windefender.exe 132 PID 2584 wrote to memory of 4280 2584 windefender.exe 132 PID 4280 wrote to memory of 644 4280 cmd.exe 133 PID 4280 wrote to memory of 644 4280 cmd.exe 133 PID 4280 wrote to memory of 644 4280 cmd.exe 133 PID 1668 wrote to memory of 4844 1668 csrss.exe 136 PID 1668 wrote to memory of 4844 1668 csrss.exe 136 PID 1668 wrote to memory of 4844 1668 csrss.exe 136 -
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\142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe"C:\Users\Admin\AppData\Local\Temp\142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136
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C:\Users\Admin\AppData\Local\Temp\142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.exe"C:\Users\Admin\AppData\Local\Temp\142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d.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:2092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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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:3568 -
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:1048
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4956
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3752
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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:1668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752
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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:2004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1268
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416
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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:1804
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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:3164
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2584 -
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:4280 -
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:644
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4844 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4508
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4064
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5b3f5741b1d0c73881bcd6eb2311d36be
SHA1a4ae3a8a96807c617bb465f136eecdf6bfa5327b
SHA256ee5a3286d67735bb3471c4aea9cea384487317f6058f18b4e31ec738f0d64134
SHA51255b81094b18b9df18fe622b9507b6b90af695c3aabf5557e1ab7e478292baa8e83ff203402c07c41590c83e96f93743496384305db697fe1c414dab835e16506
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559be8e2141d6a1fc22012b2b4e8fb2b0
SHA1df9ece773fe51e597e7d26351cf2fb5de64ab493
SHA256e095d3fdc9253e45f5e2a397198eef90e5ef391ce0ca4bcdf69b24ad05d0f579
SHA512033585244b53b7a4d8a73a03d9350e2356c2070209b740c410043ca188d035c8bc1c97ff8bc2ec64bcbdf981d8f30c47c470a5ac0395c8fbc92dca4fdbafe32c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5025f8199a00bcac529245d24a2d6e115
SHA192a8c656085cabb8adb1823ea2a3f444163927ca
SHA256071b4659680d2ec8a33593930f06330bedef2e718e709a92f9c80b055eecafe5
SHA512d7acc15b93186bdb3a1714dfa6ca7d5d449b3552e1b049d5155d084f77475669bfafb8c5b4dbff91adcdc1ad6900d83fd67b2aedab5e8e5ce437fab83ee5feaa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512c9020a3ec290fa1cd3dd97004a33cc
SHA155c91b30fb2adfad25bcbea05cf1dfba60f678ae
SHA256dd18f33394dd9d87c4b08dc7d8f6d7caf1d16306257f75ced35533650595dd03
SHA5128fb580610c83ad0ea37ace799939ea874a4ba12853099bed12e57edb00b814678868eb6f3f2ef1d65ce07766ced3974c3a21ab7157387aca4f540d0ac10ec94a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc663378e8cbaa15de27ea0fd317d76c
SHA1a1140bef9a3250dd67d37d95b80451bf3bf01b50
SHA2569cb53210bc297db79c2cc8cbc37a67f86c356f302c41ed4186395532f969b73b
SHA512351f07c1227458301b0d93d5b66185203d56b601eed3ae28a874a443181b0bf1024f9e518ea6c2c16557538708e3ded696a6288db42293cd740e765384607758
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Filesize
4.1MB
MD58f5ed0256d9caf145da25b1d75934165
SHA1ee4fda9fb2b6d8742b3de1584dfccb2e416d97ad
SHA256142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d
SHA512303a7e0ae88bbb91834ff9a91244e01a1cae1163b9c64474e758c244c4b743c16478a82e7f2e5f31ddd4d1551f6f9c7d2fd12f225aa366116f83c6877c8864cb
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Filesize
4.1MB
MD58f5ed0256d9caf145da25b1d75934165
SHA1ee4fda9fb2b6d8742b3de1584dfccb2e416d97ad
SHA256142d5281e86073d6554836df4aae28a29a33391eb84be574d8fc724db499f97d
SHA512303a7e0ae88bbb91834ff9a91244e01a1cae1163b9c64474e758c244c4b743c16478a82e7f2e5f31ddd4d1551f6f9c7d2fd12f225aa366116f83c6877c8864cb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec