Analysis
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max time kernel
150s -
max time network
150s -
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 15:32
Static task
static1
Behavioral task
behavioral1
Sample
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe
Resource
win10v2004-20240426-en
General
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Target
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe
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Size
4.1MB
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MD5
1485f8b4fb3b4031e187576e1299f7ae
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SHA1
13f8efcf49f340680c4986d597b46370233c0e67
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SHA256
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85
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SHA512
59132c288b49662e3f0638d734f4d739343414952c3cd9d61bebf44d6cb0d020b194ea99d164ef7dfab0624032e2981d6282997c4682617335aa18485a0cfe6d
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SSDEEP
98304:nQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FB:Qx32Mq02zAeLCVnWszfVfeCa8CLXv/n
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/216-2-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/216-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/216-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/216-57-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/216-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2512-59-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2512-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2060-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3212 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2060 csrss.exe 3552 injector.exe 2180 windefender.exe 3804 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000234ae-224.dat upx behavioral1/memory/2180-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2180-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-242-0x0000000000400000-0x00000000008DF000-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\"" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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 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 -
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 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe File created C:\Windows\rss\csrss.exe c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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 4544 sc.exe -
pid Process 3912 powershell.exe 2580 powershell.exe 4396 powershell.exe 2180 powershell.exe 3104 powershell.exe 2820 powershell.exe 2420 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2944 2512 WerFault.exe 99 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 788 schtasks.exe 4624 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,-282 = "Central Europe Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard 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\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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 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,-681 = "E. Australia Daylight Time" windefender.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania 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" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2180 powershell.exe 2180 powershell.exe 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3104 powershell.exe 3104 powershell.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2820 powershell.exe 2820 powershell.exe 2420 powershell.exe 2420 powershell.exe 3912 powershell.exe 3912 powershell.exe 2580 powershell.exe 2580 powershell.exe 4396 powershell.exe 4396 powershell.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 2060 csrss.exe 2060 csrss.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 2060 csrss.exe 2060 csrss.exe 3552 injector.exe 3552 injector.exe 2060 csrss.exe 2060 csrss.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Token: SeImpersonatePrivilege 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 2420 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeSystemEnvironmentPrivilege 2060 csrss.exe Token: SeSecurityPrivilege 4544 sc.exe Token: SeSecurityPrivilege 4544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 216 wrote to memory of 2180 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 96 PID 216 wrote to memory of 2180 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 96 PID 216 wrote to memory of 2180 216 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 96 PID 2512 wrote to memory of 3104 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 101 PID 2512 wrote to memory of 3104 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 101 PID 2512 wrote to memory of 3104 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 101 PID 2512 wrote to memory of 1372 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 103 PID 2512 wrote to memory of 1372 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 103 PID 1372 wrote to memory of 3212 1372 cmd.exe 105 PID 1372 wrote to memory of 3212 1372 cmd.exe 105 PID 2512 wrote to memory of 2820 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 106 PID 2512 wrote to memory of 2820 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 106 PID 2512 wrote to memory of 2820 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 106 PID 2512 wrote to memory of 2420 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 109 PID 2512 wrote to memory of 2420 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 109 PID 2512 wrote to memory of 2420 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 109 PID 2512 wrote to memory of 2060 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 111 PID 2512 wrote to memory of 2060 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 111 PID 2512 wrote to memory of 2060 2512 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 111 PID 2060 wrote to memory of 3912 2060 csrss.exe 115 PID 2060 wrote to memory of 3912 2060 csrss.exe 115 PID 2060 wrote to memory of 3912 2060 csrss.exe 115 PID 2060 wrote to memory of 2580 2060 csrss.exe 121 PID 2060 wrote to memory of 2580 2060 csrss.exe 121 PID 2060 wrote to memory of 2580 2060 csrss.exe 121 PID 2060 wrote to memory of 4396 2060 csrss.exe 123 PID 2060 wrote to memory of 4396 2060 csrss.exe 123 PID 2060 wrote to memory of 4396 2060 csrss.exe 123 PID 2060 wrote to memory of 3552 2060 csrss.exe 125 PID 2060 wrote to memory of 3552 2060 csrss.exe 125 PID 2180 wrote to memory of 4240 2180 windefender.exe 131 PID 2180 wrote to memory of 4240 2180 windefender.exe 131 PID 2180 wrote to memory of 4240 2180 windefender.exe 131 PID 4240 wrote to memory of 4544 4240 cmd.exe 132 PID 4240 wrote to memory of 4544 4240 cmd.exe 132 PID 4240 wrote to memory of 4544 4240 cmd.exe 132 -
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\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2180
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C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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:2512 -
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:3104
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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:1372 -
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:3212
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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:2820
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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:2420
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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:2060 -
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:3912
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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:788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2320
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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:2580
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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:4396
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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:3552
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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:4624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2180 -
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:4240 -
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:4544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 9563⤵
- Program crash
PID:2944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2512 -ip 25121⤵PID:4500
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3804
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5140e4a1b21a7cce93a9ffa11e4259ff5
SHA151d320b036c508b47b429bc8769c60e0ad71b510
SHA2568738f168d1a33111d79a9a667349f4b13bc02802ac5742b737e6ccdaa8f135c3
SHA51208cdc3e47fee4d1da46376e38532f1d75b6b08cf20d1a1b5a5311eded754cae2f862f446a50013a6b542b0ea3b9b6408874970c62a5badb97cd8e059badf6d98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d2b1ba916e89a6c530d86a69dfc6a21
SHA16b2ea70cb0662624e62745f4e8c46d67d73e4e6f
SHA2562850177741dda5eab15d64310515f187e7c4da452cbbf33b4e9e973581a7dd4b
SHA512a376ce23b47042ef403571eba3e355d0e7f1a883fb92c4828ecf63f5fd14744e8af2ae7d7e4d87a8f32dfd563e480ba442fa9b8a48b619187eb5ac9883a7d1c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5646b71144423fcdaffdd0ff09914dd93
SHA1f4f952015899a7b4c5c7783d4d113ad00500592b
SHA256480a1cd52a6046bfdec9421a25b37bbbfa24f0b0aff0c182de77b6ced771fa90
SHA51260db1868e7c7ddab609de6be2376037d0adac9bbd8ea909ed053c6e5bb106be5ba7db507d68c362a2dfbb1bd13d5c520a7ab5eaf0d1394347ad64ee94c6fdbfc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521e68346da5d7b0b72e774c044a276ea
SHA1b33bc36fe7e9656d7cb7c4946cee5c5961b74b22
SHA256a85e6c037a6389f22e57570c585bca0bb4a00302dd7bd83df7ad77b07a1e74f8
SHA51272394b0ad9a984ba9fd9263ce708b80ad2d2183c8a763b0db1d6f17f08543e93d8007c46da5853304614300dce98a0a6c10ff3ebc055aa2e17358bdbb9eb9e7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9713bc2d547b32ccd4d8dcffc7061e6
SHA123335cd3f8e16ccb435d0d1137ff3882b445d3ae
SHA25608a15b134a5db3253cf442a65cc050b9e001913dbe454c1c9e933ddaeeba3ec1
SHA512f73193dac0845fc1ce6aa7fc60f31aaeb035ebb9a24cc1199cafda05fdb74d1cf44c8938865721fc95f1eeb290cdb12dd3166ed5cc240a9e58fd831ea2184b08
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Filesize
4.1MB
MD51485f8b4fb3b4031e187576e1299f7ae
SHA113f8efcf49f340680c4986d597b46370233c0e67
SHA256c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85
SHA51259132c288b49662e3f0638d734f4d739343414952c3cd9d61bebf44d6cb0d020b194ea99d164ef7dfab0624032e2981d6282997c4682617335aa18485a0cfe6d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec