Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe
Resource
win10v2004-20240419-en
General
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Target
b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe
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Size
4.2MB
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MD5
d6f1f4c138a5e8fd77c3169baed6c484
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SHA1
d761715d720fe3c6addc29d081229a198a6bd63f
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SHA256
b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67
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SHA512
0f15936bd3469db7c38b3cffef2ee6dbf01826659b7fa1352685ff0717b72dc65a8a6266535b4d14a06fba4eba7b4ada1591d2cdd2da782fe9450e4b0bd32bf5
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SSDEEP
98304:x6SrQKkBQC4PnHNiNLk7n0q6bsVEgqWgwUIwD+toyYlM5LNuOC:/vwh4PnHck7nOsVEgAwH9tZh5Ly
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2276-2-0x00000000051A0000-0x0000000005A8B000-memory.dmp family_glupteba behavioral1/memory/2276-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2276-28-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2276-57-0x00000000051A0000-0x0000000005A8B000-memory.dmp family_glupteba behavioral1/memory/2276-58-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2276-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3500-83-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3500-138-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-162-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-220-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-232-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-235-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-239-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-243-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-247-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-251-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-255-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-259-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/224-263-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3648 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 224 csrss.exe 1900 injector.exe 1636 windefender.exe 1160 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bb0-225.dat upx behavioral1/memory/1636-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1992 sc.exe -
pid Process 5008 powershell.exe 4472 powershell.exe 4896 powershell.exe 4364 powershell.exe 3084 powershell.exe 3120 powershell.exe 3076 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3572 schtasks.exe 700 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.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\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3120 powershell.exe 3120 powershell.exe 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3076 powershell.exe 3076 powershell.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 5008 powershell.exe 5008 powershell.exe 4472 powershell.exe 4472 powershell.exe 4896 powershell.exe 4896 powershell.exe 4364 powershell.exe 4364 powershell.exe 3084 powershell.exe 3084 powershell.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 224 csrss.exe 224 csrss.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 224 csrss.exe 224 csrss.exe 1900 injector.exe 1900 injector.exe 224 csrss.exe 224 csrss.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe 1900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Token: SeImpersonatePrivilege 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe Token: SeDebugPrivilege 3076 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeSystemEnvironmentPrivilege 224 csrss.exe Token: SeSecurityPrivilege 1992 sc.exe Token: SeSecurityPrivilege 1992 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2276 wrote to memory of 3120 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 94 PID 2276 wrote to memory of 3120 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 94 PID 2276 wrote to memory of 3120 2276 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 94 PID 3500 wrote to memory of 3076 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 100 PID 3500 wrote to memory of 3076 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 100 PID 3500 wrote to memory of 3076 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 100 PID 3500 wrote to memory of 4936 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 103 PID 3500 wrote to memory of 4936 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 103 PID 4936 wrote to memory of 3648 4936 cmd.exe 105 PID 4936 wrote to memory of 3648 4936 cmd.exe 105 PID 3500 wrote to memory of 5008 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 106 PID 3500 wrote to memory of 5008 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 106 PID 3500 wrote to memory of 5008 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 106 PID 3500 wrote to memory of 4472 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 108 PID 3500 wrote to memory of 4472 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 108 PID 3500 wrote to memory of 4472 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 108 PID 3500 wrote to memory of 224 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 111 PID 3500 wrote to memory of 224 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 111 PID 3500 wrote to memory of 224 3500 b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe 111 PID 224 wrote to memory of 4896 224 csrss.exe 112 PID 224 wrote to memory of 4896 224 csrss.exe 112 PID 224 wrote to memory of 4896 224 csrss.exe 112 PID 224 wrote to memory of 4364 224 csrss.exe 118 PID 224 wrote to memory of 4364 224 csrss.exe 118 PID 224 wrote to memory of 4364 224 csrss.exe 118 PID 224 wrote to memory of 3084 224 csrss.exe 120 PID 224 wrote to memory of 3084 224 csrss.exe 120 PID 224 wrote to memory of 3084 224 csrss.exe 120 PID 224 wrote to memory of 1900 224 csrss.exe 122 PID 224 wrote to memory of 1900 224 csrss.exe 122 PID 1636 wrote to memory of 4660 1636 windefender.exe 128 PID 1636 wrote to memory of 4660 1636 windefender.exe 128 PID 1636 wrote to memory of 4660 1636 windefender.exe 128 PID 4660 wrote to memory of 1992 4660 cmd.exe 129 PID 4660 wrote to memory of 1992 4660 cmd.exe 129 PID 4660 wrote to memory of 1992 4660 cmd.exe 129 -
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\b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe"C:\Users\Admin\AppData\Local\Temp\b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3120
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C:\Users\Admin\AppData\Local\Temp\b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.exe"C:\Users\Admin\AppData\Local\Temp\b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67.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:3500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076
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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:4936 -
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:3648
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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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:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID: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:3572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3084
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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:1900
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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:700
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1636 -
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:4660 -
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:1992
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1160
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
MD5e12a2dc2747f3fbe71a8cb9b9d9fa045
SHA14d261e1dec401ce6cfadcbf1060881a6f3b82dae
SHA2562d488d1f6a86dc8d8ec686c3bc93dd7bbfcb3cdad3ad86130e83be46d0b59d93
SHA512bc1f969846a757fd03b0a435edcb8b486afb0a5aeede3148167152b14e3bfc3149798b2ebfa5206d40a267cb73eddc0625e1f73c5ea6b696d00534a0c4d3bb72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc502fd4f29139f7837829e4d94dcac3
SHA11e532631f72559490e9ed04f59cb7ab3880531d2
SHA25681c2fc77f2e2ec5abb19443e86450b3496fcd4fe188db693d5660da3645d47b8
SHA5128d11251f43675653b14c649fd29899a794a9028dd179f3e2bcecbcd4567ced33a3e9676604de0d74dd47df94c60ab6118f5d6a2bc91d89840dd9b2f0545ac6ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52817052df3dc65510c5ba49c0daf859e
SHA18a6fa1c6ac79c7d2b41d21e6d81dc7408725b30b
SHA256133327efa8fc29fca3ee87e029db16c29aeb810c071842cdf3951b686f2005e5
SHA51280cf258f8d1501711aebee08045665c206b62c548e37e0da8e12e32f09cf37faa7f990c3128588eb201a60d12608ac6d989ba8fccee85c07a5425007e6b31a36
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539ed441615cebb214e03c25912964cd4
SHA19144849f40e49b60c42e12c8c12cd8946b39afa5
SHA256e13e4db8ce83d64fd7ff9092cb7b975d065ff3ca4708b92f5d87bc2df8b4e0d8
SHA512aee678befc342337108f2ba983264996f91b8c488dd462099d7db1cc8fe863ebe845dbc09ab0afff42cd488df54a0ac268a211321a8e18c3a63e94e0ce38d4a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581802f63152d65bde84a14015d7d1fd5
SHA16b5042f619d6435191aa32a6a917548dedbe79d8
SHA256c3f82b1bfdf0256d21713f4219c999945f37b931e789f68f5f4ecf15c18b0b40
SHA5127252e96d0f9f28c121fd1b633aa5060a16712c2017a0fc73cad40a85adf4ddfadab2286801f90405e34290e34422cde781991e335101ebc846ba7e8f60e0edf1
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Filesize
4.2MB
MD5d6f1f4c138a5e8fd77c3169baed6c484
SHA1d761715d720fe3c6addc29d081229a198a6bd63f
SHA256b269339e3b8571f83accedd5ded489d9eb207d1db121fcd6e6501f9e84378d67
SHA5120f15936bd3469db7c38b3cffef2ee6dbf01826659b7fa1352685ff0717b72dc65a8a6266535b4d14a06fba4eba7b4ada1591d2cdd2da782fe9450e4b0bd32bf5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec