Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:54
Static task
static1
Behavioral task
behavioral1
Sample
8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe
Resource
win10v2004-20240426-en
General
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Target
8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe
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Size
4.1MB
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MD5
d3df5281b93d3ae5d327f04eda328368
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SHA1
3ed21643e1b800cd9590d5236ab18cfcc1ef3a6f
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SHA256
8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb
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SHA512
92e20d1d5d5206b2b3426d0be60f7e43d63985b0e8dd8e7102749483178b022ba54d49aff1a3f4808bc8f2f2dc66eddad7f6e680771a55c9fbccb360297eb8e1
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SSDEEP
49152:NKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwM:N1wCr5kG+hEArjFEeNSldQg15xmhM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3828-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3828-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3828-156-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3828-154-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4120-195-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3828-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-267-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4864-271-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4864 csrss.exe 2112 injector.exe 1168 windefender.exe 1712 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023486-219.dat upx behavioral1/memory/1168-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe File created C:\Windows\rss\csrss.exe 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.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 4596 sc.exe -
pid Process 1196 powershell.exe 1816 powershell.exe 4912 powershell.exe 2384 powershell.exe 4888 powershell.exe 3580 powershell.exe 4240 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 772 schtasks.exe 3620 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.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,-141 = "Canada Central Daylight 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,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1196 powershell.exe 1196 powershell.exe 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 1816 powershell.exe 1816 powershell.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 4912 powershell.exe 4912 powershell.exe 2384 powershell.exe 2384 powershell.exe 2384 powershell.exe 4888 powershell.exe 4888 powershell.exe 4888 powershell.exe 3580 powershell.exe 3580 powershell.exe 3580 powershell.exe 4240 powershell.exe 4240 powershell.exe 4240 powershell.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4864 csrss.exe 4864 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4864 csrss.exe 4864 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4864 csrss.exe 4864 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1196 powershell.exe Token: SeDebugPrivilege 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Token: SeImpersonatePrivilege 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeSystemEnvironmentPrivilege 4864 csrss.exe Token: SeSecurityPrivilege 4596 sc.exe Token: SeSecurityPrivilege 4596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3828 wrote to memory of 1196 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 85 PID 3828 wrote to memory of 1196 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 85 PID 3828 wrote to memory of 1196 3828 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 85 PID 4120 wrote to memory of 1816 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 95 PID 4120 wrote to memory of 1816 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 95 PID 4120 wrote to memory of 1816 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 95 PID 4120 wrote to memory of 4724 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 100 PID 4120 wrote to memory of 4724 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 100 PID 4724 wrote to memory of 1984 4724 cmd.exe 102 PID 4724 wrote to memory of 1984 4724 cmd.exe 102 PID 4120 wrote to memory of 4912 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 103 PID 4120 wrote to memory of 4912 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 103 PID 4120 wrote to memory of 4912 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 103 PID 4120 wrote to memory of 2384 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 107 PID 4120 wrote to memory of 2384 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 107 PID 4120 wrote to memory of 2384 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 107 PID 4120 wrote to memory of 4864 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 109 PID 4120 wrote to memory of 4864 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 109 PID 4120 wrote to memory of 4864 4120 8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe 109 PID 4864 wrote to memory of 4888 4864 csrss.exe 110 PID 4864 wrote to memory of 4888 4864 csrss.exe 110 PID 4864 wrote to memory of 4888 4864 csrss.exe 110 PID 4864 wrote to memory of 3580 4864 csrss.exe 116 PID 4864 wrote to memory of 3580 4864 csrss.exe 116 PID 4864 wrote to memory of 3580 4864 csrss.exe 116 PID 4864 wrote to memory of 4240 4864 csrss.exe 118 PID 4864 wrote to memory of 4240 4864 csrss.exe 118 PID 4864 wrote to memory of 4240 4864 csrss.exe 118 PID 4864 wrote to memory of 2112 4864 csrss.exe 120 PID 4864 wrote to memory of 2112 4864 csrss.exe 120 PID 1168 wrote to memory of 1232 1168 windefender.exe 126 PID 1168 wrote to memory of 1232 1168 windefender.exe 126 PID 1168 wrote to memory of 1232 1168 windefender.exe 126 PID 1232 wrote to memory of 4596 1232 cmd.exe 127 PID 1232 wrote to memory of 4596 1232 cmd.exe 127 PID 1232 wrote to memory of 4596 1232 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe"C:\Users\Admin\AppData\Local\Temp\8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1196
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C:\Users\Admin\AppData\Local\Temp\8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.exe"C:\Users\Admin\AppData\Local\Temp\8acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb.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:4120 -
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:1816
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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:4724 -
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:1984
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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:4912
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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:2384
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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:4864 -
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:4888
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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:3620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3716
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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:3580
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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:4240
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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:2112
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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:772
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1168 -
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:1232 -
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:4596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1712
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c942ab73dfdb4574e54b96463d89420
SHA15bb3f7057400f492464c8b7bbde55c3a97815c0a
SHA256df0e60b30f94681de42f9fe9ae19e28776633d6b50948957d4b3155c4dc2d1bd
SHA51280629a9ee6ba4fc25291abb150dea6335ac826b0cba3156b19dc751f5cddd57c364bb687c4a119764a86379078c7b4dafa9b4367565205a4e02b9ff8e70c7643
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c9b871eb92090e9bfa5507ac8a10ad1
SHA125705bfe96eaaeb69df7c4b213ab48a988b306f4
SHA256382a2af550fa6d0f4dea70f1a33c14eec40a75187a1d945fa430057c6a55b8c9
SHA512167dcf773f2d55ee3a6656903905f495a880275a3ca8c9fb5a6989eec1a0b74a1d5b422e8b652964695aef1df33dbe76117760b709900101b7911655cabd6598
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab3774bbe6c867af9c9396d9bfaa762c
SHA11c59bcd6319c291bfaf15e2bddd9f37a585d4d51
SHA2565f9b4d035ffc84324452368b45012530d02d49cea3a601898d9414790e8dfe48
SHA5120809fc859c1bdc1c1d3d2e583b8d6a67384dbf422e99cb91727200551739f3ebcce3b26a76a1453d39575d8cf47d9d89ea381c203047a14c6f46d480871c0c17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5401d6f82524a2389c093388e3996f885
SHA1c8a935e9438463203da68c049b2066f1a3d2e216
SHA256f5f614642cbb0f5c5ba66e87238ad0adc9050991919617ad1ad93e3255d9ef6a
SHA5128d7ecb0d70d40844c9533ee2b8d4f09b46ed404fae6e326d6a7dade17f1bb7dcd840b708186255342b9f14802e293ca925e7b45a62d56d45ca358154c329218d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535c460fa1fa99dc7e0e2bcafb10744a1
SHA1ed7b023c9f264b65d52ee229b918436e2ad30518
SHA2561da1982ea9c6b61b9b053a81fbdd3ee5e0ceca2e56ca13d382414e447c6df3e1
SHA512a375c6d3b21aa41e48d7e1d16bbc5ba1bc2a0e2293382254cb9be0b24b8e2d395c878211263cc8895fdc0e80fda342f9c5508a2924f526489a0d814e0c9b4359
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Filesize
4.1MB
MD5d3df5281b93d3ae5d327f04eda328368
SHA13ed21643e1b800cd9590d5236ab18cfcc1ef3a6f
SHA2568acc4f32d1ae4a1765607ff4c15ac40d211bfe5b30cedcd9845c1d5df51a15eb
SHA51292e20d1d5d5206b2b3426d0be60f7e43d63985b0e8dd8e7102749483178b022ba54d49aff1a3f4808bc8f2f2dc66eddad7f6e680771a55c9fbccb360297eb8e1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec