Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe
Resource
win10v2004-20240508-en
General
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Target
12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe
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Size
4.1MB
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MD5
67ad062ceab2b28cf8e9ef8c9c11c3cb
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SHA1
5c22a3851a0eecfc12f9dd9cd02a0be10f2c5471
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SHA256
12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c
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SHA512
c1b43fcb4dd0796dffd9af03345517df93d6615604f7842833310ec90f9c334ec4da090457c92541e00d81814184115670de25d2bb8bb57bcc698f0f51488d85
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SSDEEP
98304:ocO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxB4:ocO3d2wQ4Q8FyLwnXJ+AxvtU75c1js8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1360-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/1360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-92-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1360-114-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/5048-121-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1360-168-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1208-196-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-206-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-209-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1208-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1656 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1208 csrss.exe 2928 injector.exe 4792 windefender.exe 2648 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa29-200.dat upx behavioral2/memory/4792-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4792-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2648-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2648-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2648-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1504 sc.exe -
pid Process 2468 powershell.exe 2216 powershell.exe 1732 powershell.exe 4376 powershell.exe 4296 powershell.exe 4296 powershell.exe 1292 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3604 4296 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3932 schtasks.exe 572 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,-11 = "Azores Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea 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\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji 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" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1872 = "Russia TZ 7 Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.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" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.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,-2612 = "Bougainville Standard 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,-222 = "Alaskan Standard Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4296 powershell.exe 4296 powershell.exe 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 1292 powershell.exe 1292 powershell.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 2468 powershell.exe 2468 powershell.exe 2216 powershell.exe 2216 powershell.exe 1732 powershell.exe 1732 powershell.exe 4376 powershell.exe 4376 powershell.exe 4296 powershell.exe 4296 powershell.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 1208 csrss.exe 1208 csrss.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 1208 csrss.exe 1208 csrss.exe 2928 injector.exe 2928 injector.exe 1208 csrss.exe 1208 csrss.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Token: SeImpersonatePrivilege 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe Token: SeDebugPrivilege 1292 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeSystemEnvironmentPrivilege 1208 csrss.exe Token: SeSecurityPrivilege 1504 sc.exe Token: SeSecurityPrivilege 1504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1360 wrote to memory of 4296 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 81 PID 1360 wrote to memory of 4296 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 81 PID 1360 wrote to memory of 4296 1360 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 81 PID 5048 wrote to memory of 1292 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 90 PID 5048 wrote to memory of 1292 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 90 PID 5048 wrote to memory of 1292 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 90 PID 5048 wrote to memory of 2200 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 92 PID 5048 wrote to memory of 2200 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 92 PID 2200 wrote to memory of 1656 2200 cmd.exe 94 PID 2200 wrote to memory of 1656 2200 cmd.exe 94 PID 5048 wrote to memory of 2468 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 95 PID 5048 wrote to memory of 2468 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 95 PID 5048 wrote to memory of 2468 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 95 PID 5048 wrote to memory of 2216 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 97 PID 5048 wrote to memory of 2216 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 97 PID 5048 wrote to memory of 2216 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 97 PID 5048 wrote to memory of 1208 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 99 PID 5048 wrote to memory of 1208 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 99 PID 5048 wrote to memory of 1208 5048 12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe 99 PID 1208 wrote to memory of 1732 1208 csrss.exe 100 PID 1208 wrote to memory of 1732 1208 csrss.exe 100 PID 1208 wrote to memory of 1732 1208 csrss.exe 100 PID 1208 wrote to memory of 4376 1208 csrss.exe 106 PID 1208 wrote to memory of 4376 1208 csrss.exe 106 PID 1208 wrote to memory of 4376 1208 csrss.exe 106 PID 1208 wrote to memory of 4296 1208 csrss.exe 108 PID 1208 wrote to memory of 4296 1208 csrss.exe 108 PID 1208 wrote to memory of 4296 1208 csrss.exe 108 PID 1208 wrote to memory of 2928 1208 csrss.exe 110 PID 1208 wrote to memory of 2928 1208 csrss.exe 110 PID 4792 wrote to memory of 4100 4792 windefender.exe 116 PID 4792 wrote to memory of 4100 4792 windefender.exe 116 PID 4792 wrote to memory of 4100 4792 windefender.exe 116 PID 4100 wrote to memory of 1504 4100 cmd.exe 117 PID 4100 wrote to memory of 1504 4100 cmd.exe 117 PID 4100 wrote to memory of 1504 4100 cmd.exe 117 -
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\12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe"C:\Users\Admin\AppData\Local\Temp\12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 22683⤵
- Program crash
PID:3604
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C:\Users\Admin\AppData\Local\Temp\12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.exe"C:\Users\Admin\AppData\Local\Temp\12a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c.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:5048 -
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:1292
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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:2200 -
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:1656
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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:2468
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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:2216
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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:1208 -
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:1732
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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:3932
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2936
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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:4376
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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:4296
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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:2928
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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:572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4792 -
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:4100 -
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:1504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4296 -ip 42961⤵PID:5012
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2648
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
MD52cb3c7a9b53fffb526b6f8fbf94bb9e0
SHA104c91b2d647b7a78bc41d2c1d692054f40c2162a
SHA256af8eb54b806a579e04b797588e63cdb00551fc07a6120387d85b2de50acca6a6
SHA5125d70aa93167ace7e7a8259c592e14463815432eecf0fe0941cd40075b7ab22ecb702514ca3c4779470e8c4e444cd761763e13f4e589c42f74fb951e373835734
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a75c249caf486cf673d3d2af06a87898
SHA1aa1446b736718175b42ab8231588c6539503cb7e
SHA2561b99d2413c1d54f17aa2a65343073061edb4cd957a02748993c1527561b3135c
SHA512097d58789c69a33e68b9db1abf341cabacb508ac6aa44080061543faaaf7328aa6743454153ad912e5907ab7a3c04e5afa21a75d36e828fbf556f05f9f1c8c8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff08d4341fa152036231a2b43cb6dcd5
SHA1a47053b67c65a729d49e7baeedc009824893b638
SHA256cf3d25db18cb8590fd0cde4b339105444505e249b9d45751970501a25ddbe2ed
SHA512d7451e0778156ece2019ee61a443220f3dcddd9580ed5ca8c2efe0c338892423582ee66f264d6d9b2f046b8f52c4ac605ba8f0599d14f5b29e13ba8b4d88b809
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c662917e501937b22d2d636d2259120d
SHA1079970eac64eb23586755f33fb9eaf1156e855e1
SHA256c9dd75ca44548ae5268ad26eb664c88245ed33c26db3db92b6229f42781ab649
SHA512e99abc8a771b07a84c883f95f16f306e568704b6c2b1ba03d127d43a615d9a81063daa7df039317aa74b6bc8e7a0752bb5bf022e3b5ec559c48a4e9eb1469cb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5507620023f2da030ebea81760fa2fa1c
SHA19b644bffb6c6b3e6375e50f83c15750b24356f8a
SHA256c0530a20641cd82568f8a8a6e3f9bc3c8796d81a2f727440574faf1797031ee0
SHA512a2ce6c891c74c3e4968e7ef346cf373b968774c35f03f93c87532e474859a23662fdcf9028362bd82bedc289fa9adbe088b9d1374dfc3754519716ce4167a0c2
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Filesize
4.1MB
MD567ad062ceab2b28cf8e9ef8c9c11c3cb
SHA15c22a3851a0eecfc12f9dd9cd02a0be10f2c5471
SHA25612a3487df014e565f5df619cbc0304ba6ddaff7deaf6ec707ef5d10eeefbac7c
SHA512c1b43fcb4dd0796dffd9af03345517df93d6615604f7842833310ec90f9c334ec4da090457c92541e00d81814184115670de25d2bb8bb57bcc698f0f51488d85
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec