Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2023, 09:58
Static task
static1
General
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Target
7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe
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Size
4.1MB
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MD5
65ca55e66e691e4e97e5d03c73b5bbe4
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SHA1
01aab7c2d79ad063a5015c8718853570d2d7bf8f
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SHA256
7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517
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SHA512
618b64f754cc0917155c31cd8fdf19bcfb2d8d34b6a625c5e5af08067a946755aaed0006ceb78561bf1cf4d0d5d0b148c6ff199fd2e6ed485df6dece40b16243
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SSDEEP
98304:A8Ho6aNj9/Vi1Np5yIfJ+ZqGB/z5XfJaZBlhdCjwa:LHo6a7V6+IfJ+ZqGtz9fJIJdCjr
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4636-2-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral1/memory/4636-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4636-25-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4636-27-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral1/memory/4636-59-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4636-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/384-63-0x0000000002A20000-0x0000000002E23000-memory.dmp family_glupteba behavioral1/memory/384-64-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/384-95-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/384-129-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/384-163-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-229-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-284-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-286-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1988-288-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 732 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1988 csrss.exe 3348 injector.exe 4604 windefender.exe 3660 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000022d6e-268.dat upx behavioral1/files/0x0007000000022d6e-270.dat upx behavioral1/files/0x0007000000022d6e-271.dat upx behavioral1/memory/4604-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000022d6f-292.dat upx behavioral1/files/0x0007000000022d6f-293.dat upx behavioral1/memory/3660-295-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe File created C:\Windows\rss\csrss.exe 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.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 3300 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3168 schtasks.exe 740 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.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\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4500 powershell.exe 4500 powershell.exe 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 3012 powershell.exe 3012 powershell.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 852 powershell.exe 852 powershell.exe 2872 powershell.exe 2872 powershell.exe 4896 powershell.exe 4896 powershell.exe 1260 powershell.exe 1260 powershell.exe 3036 powershell.exe 3036 powershell.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 1988 csrss.exe 1988 csrss.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 1988 csrss.exe 1988 csrss.exe 1988 csrss.exe 1988 csrss.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe 3348 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Token: SeImpersonatePrivilege 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeSystemEnvironmentPrivilege 1988 csrss.exe Token: SeSecurityPrivilege 3300 sc.exe Token: SeSecurityPrivilege 3300 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4636 wrote to memory of 4500 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 87 PID 4636 wrote to memory of 4500 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 87 PID 4636 wrote to memory of 4500 4636 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 87 PID 384 wrote to memory of 3012 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 92 PID 384 wrote to memory of 3012 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 92 PID 384 wrote to memory of 3012 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 92 PID 384 wrote to memory of 2784 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 95 PID 384 wrote to memory of 2784 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 95 PID 2784 wrote to memory of 732 2784 cmd.exe 97 PID 2784 wrote to memory of 732 2784 cmd.exe 97 PID 384 wrote to memory of 852 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 98 PID 384 wrote to memory of 852 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 98 PID 384 wrote to memory of 852 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 98 PID 384 wrote to memory of 2872 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 100 PID 384 wrote to memory of 2872 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 100 PID 384 wrote to memory of 2872 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 100 PID 384 wrote to memory of 1988 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 103 PID 384 wrote to memory of 1988 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 103 PID 384 wrote to memory of 1988 384 7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe 103 PID 1988 wrote to memory of 4896 1988 csrss.exe 104 PID 1988 wrote to memory of 4896 1988 csrss.exe 104 PID 1988 wrote to memory of 4896 1988 csrss.exe 104 PID 1988 wrote to memory of 1260 1988 csrss.exe 109 PID 1988 wrote to memory of 1260 1988 csrss.exe 109 PID 1988 wrote to memory of 1260 1988 csrss.exe 109 PID 1988 wrote to memory of 3036 1988 csrss.exe 112 PID 1988 wrote to memory of 3036 1988 csrss.exe 112 PID 1988 wrote to memory of 3036 1988 csrss.exe 112 PID 1988 wrote to memory of 3348 1988 csrss.exe 114 PID 1988 wrote to memory of 3348 1988 csrss.exe 114 PID 4604 wrote to memory of 1636 4604 windefender.exe 120 PID 4604 wrote to memory of 1636 4604 windefender.exe 120 PID 4604 wrote to memory of 1636 4604 windefender.exe 120 PID 1636 wrote to memory of 3300 1636 cmd.exe 121 PID 1636 wrote to memory of 3300 1636 cmd.exe 121 PID 1636 wrote to memory of 3300 1636 cmd.exe 121 -
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\7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe"C:\Users\Admin\AppData\Local\Temp\7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4500
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C:\Users\Admin\AppData\Local\Temp\7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.exe"C:\Users\Admin\AppData\Local\Temp\7d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517.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:384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3012
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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:2784 -
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:732
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872
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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:1988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896
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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:3168
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4500
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3036
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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:3348
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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:740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4604 -
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:1636 -
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:3300
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵PID:820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3660
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.7MB
MD589838c3a001325cc631116b44a57047c
SHA12a6779a4f8e72dcc274dce8be1e9d0290d84cb6d
SHA256f51c7e7438660a83c3a401ced5a2aa222591ff0a56d58606185afca9ee627332
SHA512174e144818cfd94df344d70da88cd31371130f7c467a6e97bd887c8b4371811718ef116af66e735e547d1f6462b473a5648fd4c9f9e786c1fdbeb41084433d73
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Filesize
1.6MB
MD5ac800cf56cc3b56f39f07a9803e04b3f
SHA1a3f7175c16da53ff020f0f62bcdcf612516fea44
SHA25677fa8baf8a071e42ff82c9477b58029f5bfbe390aae123944e028127b852e924
SHA512beb1bdc486941725d0d369f45b95dcfeb649a382d559a8e85bafafb0336a571c57a658471bbcf8d3af27621282c5fe1ce31d82ab4e6c0bb64ef1434884c1c618
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cecaf06ba2a40339681d0b08fed7a89a
SHA17f32af117dba002e3112dfb9a85fa316b1d5ae4b
SHA256b9ed1207b76b75c8ba1d5010d4ccfe45414310a565f7dced81247753d978b629
SHA51218d6079f2500e7fcb882fc8c50890d97722b035b3871c49369bd79358051777d26a2a6327212dbbdfb9eeb2051a319f41be57321e0be71c2cc42cbb656c35c38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e665c85bec3543d7413db9f0406c926a
SHA1a2904b1866adfdfd13711d68cc174a2bd66aee93
SHA2568529d7d77a1cd2a5a88cf1d4dec3042914e63c24de40fb0295b675bfa5186fc2
SHA51273a0a4fa3fe36a436ec90572e1df8ccc0154ba08917ee8da96345880cd32d6da70461591201682367c00544d71ba60b26efe53811feb83d28dd1accd976a08de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53268b5345349b1a7edd526754323f2af
SHA1b6dd07722b0db55f23d3c801cb1fdfb3b1852ac2
SHA25697529fd239e1da59a7c77236dd81d37e62782e89b32d158db44ad42adb35dc89
SHA51231a46fb5aaf3179c806598299ad815acf1ac7a10cc75efa9e4628d2285a22b4a881c2f7b46f41bec2463b8e1d8a7a2ace695d2afa9f92ae7f359cd433d0278e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523010f5b87366ca90f90e78028aa57c2
SHA1f8fed2e7676bbcafd3d4481172a66b973b92557b
SHA25646dd9b898b4a5b9916355459c53bf35af83616499b0ecedd5936850b9a362a67
SHA512512970c1cec7678a63bcb56d63f63647d8d6e3c5424c3e3a7b9f1dd696ab4b390081f0ba32c85ce07641e90d665fb1934d0c1d65f0f48b0102ab11cd8639fc32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ed9b74b4d059e81e3fde9daa63a9f7f
SHA1f05fba9179bf057bb3948a1ac0a7055067c56e7e
SHA25693aa5d4cd1c0e6d151e0b9a74a278b3c11062734b0481b21a4a7e0873271c9b4
SHA512e54b89859a4a5f4fdf9130b066a3f42ed2f85840edc2610fd674cca3ffd8b58f8a244027522fdc2c4e2d7242cbfdb45196f079fe3ab874bf68ad8110193db28f
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Filesize
4.1MB
MD565ca55e66e691e4e97e5d03c73b5bbe4
SHA101aab7c2d79ad063a5015c8718853570d2d7bf8f
SHA2567d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517
SHA512618b64f754cc0917155c31cd8fdf19bcfb2d8d34b6a625c5e5af08067a946755aaed0006ceb78561bf1cf4d0d5d0b148c6ff199fd2e6ed485df6dece40b16243
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Filesize
4.1MB
MD565ca55e66e691e4e97e5d03c73b5bbe4
SHA101aab7c2d79ad063a5015c8718853570d2d7bf8f
SHA2567d42397bc91926bc5b03bc939b363cc9cb3c16e243e86007cd1cd8dd11e2a517
SHA512618b64f754cc0917155c31cd8fdf19bcfb2d8d34b6a625c5e5af08067a946755aaed0006ceb78561bf1cf4d0d5d0b148c6ff199fd2e6ed485df6dece40b16243
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec