Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 02:43
Static task
static1
Behavioral task
behavioral1
Sample
JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe
Resource
win7-20230831-en
General
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Target
JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe
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Size
4.2MB
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MD5
5a17cbecac6b4163b3b87bb099af80d4
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SHA1
83dd277a846b97e95c45374c69f5ab5bf21d1507
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SHA256
7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437
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SHA512
8968abe610921cd2b8e45730c4223e17f10af9a92dfe5f410dbfe7dee70a42ced996772258eb2e5dbf0453418264bc14bfe813cc9504a29d4681b16a1f1998a0
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SSDEEP
98304:JozmgUwV5sCSDW7SSG+lUIpjkiHQ4yPXbSzdFwGgDmAp:YiwV5sCSXSjla9vPLSsBj
Malware Config
Signatures
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Glupteba payload 35 IoCs
resource yara_rule behavioral2/memory/4028-1-0x0000000004940000-0x000000000522B000-memory.dmp family_glupteba behavioral2/memory/3996-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-6-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-8-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-7-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-9-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-10-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-30-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-37-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3996-67-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-78-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-79-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-80-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-81-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-112-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-116-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4064-176-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-189-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-191-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-192-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-193-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-223-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-256-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-290-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-292-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-294-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-295-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-296-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-297-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1440-298-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 672 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 1060 csrss.exe 1440 csrss.exe 3396 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\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 -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4028 set thread context of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 3256 set thread context of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 1060 set thread context of 1440 1060 csrss.exe 107 -
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 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe File created C:\Windows\rss\csrss.exe JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.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 4300 schtasks.exe 4648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 852 powershell.exe 852 powershell.exe 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 768 powershell.exe 768 powershell.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 1216 powershell.exe 1216 powershell.exe 4028 powershell.exe 4028 powershell.exe 3544 powershell.exe 3544 powershell.exe 2936 powershell.exe 2936 powershell.exe 5032 powershell.exe 5032 powershell.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 1440 csrss.exe 1440 csrss.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 1440 csrss.exe 1440 csrss.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Token: SeImpersonatePrivilege 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeSystemEnvironmentPrivilege 1440 csrss.exe -
Suspicious use of WriteProcessMemory 63 IoCs
description pid Process procid_target PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 4028 wrote to memory of 3996 4028 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 86 PID 3996 wrote to memory of 852 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 89 PID 3996 wrote to memory of 852 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 89 PID 3996 wrote to memory of 852 3996 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 89 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 3256 wrote to memory of 4064 3256 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 96 PID 4064 wrote to memory of 768 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 97 PID 4064 wrote to memory of 768 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 97 PID 4064 wrote to memory of 768 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 97 PID 4064 wrote to memory of 1852 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 99 PID 4064 wrote to memory of 1852 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 99 PID 1852 wrote to memory of 672 1852 cmd.exe 101 PID 1852 wrote to memory of 672 1852 cmd.exe 101 PID 4064 wrote to memory of 1216 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 102 PID 4064 wrote to memory of 1216 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 102 PID 4064 wrote to memory of 1216 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 102 PID 4064 wrote to memory of 4028 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 104 PID 4064 wrote to memory of 4028 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 104 PID 4064 wrote to memory of 4028 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 104 PID 4064 wrote to memory of 1060 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 106 PID 4064 wrote to memory of 1060 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 106 PID 4064 wrote to memory of 1060 4064 JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe 106 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1060 wrote to memory of 1440 1060 csrss.exe 107 PID 1440 wrote to memory of 3544 1440 csrss.exe 108 PID 1440 wrote to memory of 3544 1440 csrss.exe 108 PID 1440 wrote to memory of 3544 1440 csrss.exe 108 PID 1440 wrote to memory of 2936 1440 csrss.exe 113 PID 1440 wrote to memory of 2936 1440 csrss.exe 113 PID 1440 wrote to memory of 2936 1440 csrss.exe 113 PID 1440 wrote to memory of 5032 1440 csrss.exe 116 PID 1440 wrote to memory of 5032 1440 csrss.exe 116 PID 1440 wrote to memory of 5032 1440 csrss.exe 116 PID 1440 wrote to memory of 3396 1440 csrss.exe 118 PID 1440 wrote to memory of 3396 1440 csrss.exe 118 -
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\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"C:\Users\Admin\AppData\Local\Temp\JC_7946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437.exe"4⤵
- 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:4064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:768
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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"5⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes6⤵
- Modifies Windows Firewall
PID:672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe6⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F7⤵
- Creates scheduled task(s)
PID:4300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f7⤵PID:4092
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile7⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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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.dll7⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3396
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F7⤵
- Creates scheduled task(s)
PID:4648
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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
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf0030b846b1f1f0f5a900622ff1a562
SHA1721af24e8a32ad0d00072f40d3637aa5b78d5e06
SHA256c5667b735b9813315c08c1a7cdb622704e6aefa74b18c6dc4a3c19dbdd2cdf06
SHA5125d53d31c9a69c18d9c4de0519c95f5612eb30b2609ae07b05604eea4de46e3afc27fa5e3a9a591069bad778a24eb9956ceb99cdfcf769540ecbaa61e2c9d9644
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bf274b66cbe1a6476740d21a96f5f37
SHA15e4c012eed5de8fdac73186cbd46a3e760a4c720
SHA256847a7a11be097bfba96012326823819a32db81c52137f8ac3fed6f9883e910b1
SHA512f1cebd96b93f47245e47034bd932c2325da1797cd01688b3999ce55d442c9b9f4aa106ea104de1882f66750b5ce8b2e075bf345298e1a910bc1b5740da4530f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531bb05c5d5fbbedd7352c937d0e79085
SHA116b172634b9d36aceca44af18600ca9e28b7ea59
SHA256d924b7a705211fe6bd1509b8ea1d81d9294921d506e87680a37194a9292093e3
SHA512bada7247fb26b4ed4a18c720f94694936f4e70a940ac998a774d885e5b7ec2577caf8c3c525c7618f88c5f3ebbde22e774bd88ce6b044cf6096ba77c86dfbc04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5230319a7cae77c8cd23eceaf81b2fe17
SHA12ab1f43480532c5f89344502616568bf61c3752c
SHA256fd7ce9f1c94529f7e70e904c19622125082c11be0c172f679aed1258c95d13c7
SHA512a1b7839e5cf21333626e283a3cae9287beb4558b48eeb2cdf7dd634e42edb9ab20468449bfc5818bcb7a0cc5a143e6762dd46d6ecf3b44b7f8e0a88c2befa701
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52da3ed76247c0311a3aedc8e4aa37a5a
SHA1f723f4de14bdd9663c428e4835ab795d5d0f262b
SHA2562c2d3b63e9d17497afce256653e8eb021c41a649a20af2b0bd8cbe12d390d3c2
SHA512ee9a13bfc1d1cc6bed6cbc7418c9ff24aabbd589007c5c3e04e8fc375be6b185d5ca9645e6d5a11942777b9efd5a40b6689f408493581a4a52715d6ebc77f89b
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Filesize
4.2MB
MD55a17cbecac6b4163b3b87bb099af80d4
SHA183dd277a846b97e95c45374c69f5ab5bf21d1507
SHA2567946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437
SHA5128968abe610921cd2b8e45730c4223e17f10af9a92dfe5f410dbfe7dee70a42ced996772258eb2e5dbf0453418264bc14bfe813cc9504a29d4681b16a1f1998a0
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Filesize
4.2MB
MD55a17cbecac6b4163b3b87bb099af80d4
SHA183dd277a846b97e95c45374c69f5ab5bf21d1507
SHA2567946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437
SHA5128968abe610921cd2b8e45730c4223e17f10af9a92dfe5f410dbfe7dee70a42ced996772258eb2e5dbf0453418264bc14bfe813cc9504a29d4681b16a1f1998a0
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Filesize
4.2MB
MD55a17cbecac6b4163b3b87bb099af80d4
SHA183dd277a846b97e95c45374c69f5ab5bf21d1507
SHA2567946cfbceefe4156598db7c02ba1d906932188bb62b507f594b29a58d05e3437
SHA5128968abe610921cd2b8e45730c4223e17f10af9a92dfe5f410dbfe7dee70a42ced996772258eb2e5dbf0453418264bc14bfe813cc9504a29d4681b16a1f1998a0