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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2024, 10:08
Static task
static1
Behavioral task
behavioral1
Sample
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe
Resource
win10v2004-20240412-en
General
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Target
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe
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Size
4.2MB
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MD5
7565106e2737bf8c16df589130936c3a
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SHA1
1c581c1ef4f998260b78e698a32c751e081ba916
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SHA256
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220
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SHA512
6840582f20dbb4fa3b09f717ef8b8fdb3637ba0e40b3733f3006c0a2054268a8604979c0bfccfb96f285821c8f7a9f8c7446869ccf96142cfe7b0596b6e0bc90
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SSDEEP
98304:BJNIwJa59DLsKbplMWxtLgHEdMEVmrVt48S8rnYS4LtDn:BJ+FzpyWxhgHUVEs8S9ZZL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4948-2-0x0000000002DF0000-0x00000000036DB000-memory.dmp family_glupteba behavioral1/memory/4948-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4948-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4948-56-0x0000000002DF0000-0x00000000036DB000-memory.dmp family_glupteba behavioral1/memory/2072-58-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/2072-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3064-290-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4788 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3064 csrss.exe 2032 injector.exe 4372 windefender.exe 632 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023434-266.dat upx behavioral1/memory/4372-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/632-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/632-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe File created C:\Windows\rss\csrss.exe 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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 464 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2032 4948 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3948 schtasks.exe 2256 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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\CA 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1020 powershell.exe 1020 powershell.exe 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2708 powershell.exe 2708 powershell.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4780 powershell.exe 4780 powershell.exe 2292 powershell.exe 2292 powershell.exe 2568 powershell.exe 2568 powershell.exe 2980 powershell.exe 2980 powershell.exe 2732 powershell.exe 2732 powershell.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 3064 csrss.exe 3064 csrss.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 3064 csrss.exe 3064 csrss.exe 2032 injector.exe 2032 injector.exe 3064 csrss.exe 3064 csrss.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1020 powershell.exe Token: SeDebugPrivilege 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Token: SeImpersonatePrivilege 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 2292 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeSystemEnvironmentPrivilege 3064 csrss.exe Token: SeSecurityPrivilege 464 sc.exe Token: SeSecurityPrivilege 464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4948 wrote to memory of 1020 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 88 PID 4948 wrote to memory of 1020 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 88 PID 4948 wrote to memory of 1020 4948 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 88 PID 2072 wrote to memory of 2708 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 104 PID 2072 wrote to memory of 2708 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 104 PID 2072 wrote to memory of 2708 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 104 PID 2072 wrote to memory of 3672 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 106 PID 2072 wrote to memory of 3672 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 106 PID 3672 wrote to memory of 4788 3672 cmd.exe 108 PID 3672 wrote to memory of 4788 3672 cmd.exe 108 PID 2072 wrote to memory of 4780 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 109 PID 2072 wrote to memory of 4780 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 109 PID 2072 wrote to memory of 4780 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 109 PID 2072 wrote to memory of 2292 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 111 PID 2072 wrote to memory of 2292 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 111 PID 2072 wrote to memory of 2292 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 111 PID 2072 wrote to memory of 3064 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 113 PID 2072 wrote to memory of 3064 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 113 PID 2072 wrote to memory of 3064 2072 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 113 PID 3064 wrote to memory of 2568 3064 csrss.exe 116 PID 3064 wrote to memory of 2568 3064 csrss.exe 116 PID 3064 wrote to memory of 2568 3064 csrss.exe 116 PID 3064 wrote to memory of 2980 3064 csrss.exe 121 PID 3064 wrote to memory of 2980 3064 csrss.exe 121 PID 3064 wrote to memory of 2980 3064 csrss.exe 121 PID 3064 wrote to memory of 2732 3064 csrss.exe 124 PID 3064 wrote to memory of 2732 3064 csrss.exe 124 PID 3064 wrote to memory of 2732 3064 csrss.exe 124 PID 3064 wrote to memory of 2032 3064 csrss.exe 126 PID 3064 wrote to memory of 2032 3064 csrss.exe 126 PID 4372 wrote to memory of 4996 4372 windefender.exe 132 PID 4372 wrote to memory of 4996 4372 windefender.exe 132 PID 4372 wrote to memory of 4996 4372 windefender.exe 132 PID 4996 wrote to memory of 464 4996 cmd.exe 133 PID 4996 wrote to memory of 464 4996 cmd.exe 133 PID 4996 wrote to memory of 464 4996 cmd.exe 133 -
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\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020
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C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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:2072 -
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:2708
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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:3672 -
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:4788
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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:4780
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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:2292
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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:3064 -
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:2568
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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:3948
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4896
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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:2980
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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:2732
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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:2032
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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:2256
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4372 -
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:4996 -
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:464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 9322⤵
- Program crash
PID:2032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4948 -ip 49481⤵PID:4128
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:632
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
MD55f9c5bd3cf0ff4557d6803da8343b70a
SHA1ddf88891ca93d6ce7de24f693ddaad13caff6dc3
SHA256022d750f56e5d5595762b1bc3258083edd09a91b989ab27d616e6dfc23a4b6b7
SHA51258ed53bf13d31fd1a24fc04c6525425d8f0d23808c328fd4be98c54c4ada1361964c3f1aa11375d5e08e5adab3dff465a9a61156a2e449732aa4107904313bd7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52be6a4722a24a2332c0b7c7d615b5631
SHA1a9d408513981360931f7f79b9a48ad7fc110f865
SHA25663d99cace7c69d11b609b8b0ad746b4f1d6ff81a383c5acd3dfcc832d96b703f
SHA5121b081412b1f10cfcee654e7d3a62a096bf4cf7777e0d1a62253345dcaadda992268888f43fc35128476021cd604ba1d9d9eb55ac2bb336e3a9968c979119ee24
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5979a361adca76830e6ed32c4de39b799
SHA1d67f34e52257c08110fcb1b9afffcd09f4d9c233
SHA256b0660e310f7298c0a66f49ee04535ce02edd245c4f2e0a45a3c374c7564b4085
SHA5121e3631f122a428f45b098b7f9400ba1a3c4d359ef95b3850c3e7f8756015cc7dce9c77d324380d87de3619b781064ceb47e3ba94bf919774af7cc400c6db8e61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f8dd90da2defe498cf33439dcb72ac2
SHA1ef553680a202458e173beadd1fd26a82de0f9787
SHA256743d942dcc438a1f72452dffa37128ed8e71b06f21b1720486a5b7538568ee88
SHA5125ca6cc5640487e6a07d93bf29ad6c55cd292d48ecdb86e68d02812c071f72290da5053259bf59f23556e73cc67ed6519ebe627e7e624cab603f1c63b3a36b816
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f3bde3528177f6adf49e1dd5a5fb620
SHA1364ed6c226ef508aec678b1cf52a7f209f0b09bd
SHA256787c2271bb55e9695b26a4a85c2d78d3c5ee331ec51e1dc5e9122082200ba923
SHA512fd4a0fad3bf30a750c3b3809767b3044af10bc77c76d6813abc29b4b38d3056e9267f481f7069227674ac4f18c7ea042a06a091f2506fa30a96d66b6af4a7088
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Filesize
4.2MB
MD57565106e2737bf8c16df589130936c3a
SHA11c581c1ef4f998260b78e698a32c751e081ba916
SHA2560b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220
SHA5126840582f20dbb4fa3b09f717ef8b8fdb3637ba0e40b3733f3006c0a2054268a8604979c0bfccfb96f285821c8f7a9f8c7446869ccf96142cfe7b0596b6e0bc90
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec