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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2023, 23:26
Static task
static1
General
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Target
e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe
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Size
4.2MB
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MD5
d1b49cddca7d56e08f07561850685792
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SHA1
7456f97ae7f6c70f5f46675d6756981660f7d480
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SHA256
e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9
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SHA512
ba32a1cbe94228e870357c1c6093f96cb6c264da2c1d37c99b1c8a0f76980ab606c248776a7b3041cfabd44218e3e92e2549653581117d9ee4d6e05b6218342a
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SSDEEP
98304:g2WQc+pfUK1fBlZYydq9z4CkKwvw0QdDsM/:g2WQFpcKBlJYz4vpw0QdDsk
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral1/memory/380-134-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral1/memory/380-170-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/380-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2304-232-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2304-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-320-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-354-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-364-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-367-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-370-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-373-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-376-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-379-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3852-387-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2532 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3852 csrss.exe 1216 injector.exe 4836 windefender.exe 4808 windefender.exe 4416 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000800000002314c-357.dat upx behavioral1/files/0x000800000002314c-358.dat upx behavioral1/files/0x000800000002314c-359.dat upx behavioral1/memory/4836-360-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4836-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4808-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4808-371-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x010300000001f721-383.dat upx behavioral1/files/0x010300000001f721-384.dat upx behavioral1/memory/4416-385-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4808-386-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4416-389-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4416-391-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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\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 File created 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 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe File created C:\Windows\rss\csrss.exe e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.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 3708 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3440 schtasks.exe 3728 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\1e\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-449 = "Azerbaijan Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.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\1e\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2224 powershell.exe 2224 powershell.exe 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 1060 powershell.exe 1060 powershell.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 4808 powershell.exe 4808 powershell.exe 4848 powershell.exe 4848 powershell.exe 5056 powershell.exe 5056 powershell.exe 1832 powershell.exe 1832 powershell.exe 2076 powershell.exe 2076 powershell.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 3852 csrss.exe 3852 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 3852 csrss.exe 3852 csrss.exe 1216 injector.exe 1216 injector.exe 3852 csrss.exe 3852 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Token: SeImpersonatePrivilege 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 4808 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeSystemEnvironmentPrivilege 3852 csrss.exe Token: SeSecurityPrivilege 3708 sc.exe Token: SeSecurityPrivilege 3708 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 380 wrote to memory of 2224 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 82 PID 380 wrote to memory of 2224 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 82 PID 380 wrote to memory of 2224 380 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 82 PID 2304 wrote to memory of 1060 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 92 PID 2304 wrote to memory of 1060 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 92 PID 2304 wrote to memory of 1060 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 92 PID 2304 wrote to memory of 4112 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 94 PID 2304 wrote to memory of 4112 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 94 PID 4112 wrote to memory of 2532 4112 cmd.exe 96 PID 4112 wrote to memory of 2532 4112 cmd.exe 96 PID 2304 wrote to memory of 4808 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 97 PID 2304 wrote to memory of 4808 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 97 PID 2304 wrote to memory of 4808 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 97 PID 2304 wrote to memory of 4848 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 99 PID 2304 wrote to memory of 4848 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 99 PID 2304 wrote to memory of 4848 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 99 PID 2304 wrote to memory of 3852 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 102 PID 2304 wrote to memory of 3852 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 102 PID 2304 wrote to memory of 3852 2304 e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe 102 PID 3852 wrote to memory of 5056 3852 csrss.exe 103 PID 3852 wrote to memory of 5056 3852 csrss.exe 103 PID 3852 wrote to memory of 5056 3852 csrss.exe 103 PID 3852 wrote to memory of 1832 3852 csrss.exe 108 PID 3852 wrote to memory of 1832 3852 csrss.exe 108 PID 3852 wrote to memory of 1832 3852 csrss.exe 108 PID 3852 wrote to memory of 2076 3852 csrss.exe 111 PID 3852 wrote to memory of 2076 3852 csrss.exe 111 PID 3852 wrote to memory of 2076 3852 csrss.exe 111 PID 3852 wrote to memory of 1216 3852 csrss.exe 113 PID 3852 wrote to memory of 1216 3852 csrss.exe 113 PID 4836 wrote to memory of 3420 4836 windefender.exe 119 PID 4836 wrote to memory of 3420 4836 windefender.exe 119 PID 4836 wrote to memory of 3420 4836 windefender.exe 119 PID 3420 wrote to memory of 3708 3420 cmd.exe 120 PID 3420 wrote to memory of 3708 3420 cmd.exe 120 PID 3420 wrote to memory of 3708 3420 cmd.exe 120 PID 3852 wrote to memory of 4416 3852 csrss.exe 122 PID 3852 wrote to memory of 4416 3852 csrss.exe 122 PID 3852 wrote to memory of 4416 3852 csrss.exe 122 -
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\e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe"C:\Users\Admin\AppData\Local\Temp\e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2224
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C:\Users\Admin\AppData\Local\Temp\e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.exe"C:\Users\Admin\AppData\Local\Temp\e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9.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:2304 -
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:1060
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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:4112 -
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:2532
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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:4808
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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:4848
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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:3852 -
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:5056
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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:3440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1744
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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:1832
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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:2076
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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:1216
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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:3728
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4836 -
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:3420 -
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:3708
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4416 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1816
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4664
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4808
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD5d8968e5cc98ff642ed30df9fd4c2f021
SHA1a10fa3c7340bd126b85e41150aad0a1dbca9920e
SHA2569f0f42cc7851dafa6b409b09d69d9eb604aeeba6a646f176feb99b461956418b
SHA51290b359f410237df75b8b32ef61ca7f38021cd4eef7da219b580d20fc9f880b5a0d3c7d53fc527c9c4e25bf3cacf8675936a444ba06771fde4035e08cb49f7e20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532978a36fc0b75c05233fe7e93d2fcb0
SHA1fd32d14e426b386c558c4d5fed50b4c417a7ab05
SHA256b944e46bb11b2267b38ba8bc30ea68c6cde1e8feabcea7ff27352b184e8a9b03
SHA512845a6403ba1e4f5aa71c4bf7339c34b008dbb30bf7e84e1d4bda6913c62e80a9a9f2b3e6df1e8bea22beb5648cfbda8495349f196539692188c907a12eeae4d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e51bd468349549378de1a82064ef4f2
SHA142deadf6f3dd60ab9b6ce32acf04f0f53129cba6
SHA256671ff3f778c675ebfff8b05d94879f61031ffbb769521e13df2e2c6995cf31d4
SHA512bc57f8536220a3f2d494f58b82c9d5dc5eafe6413d01e74134c333c2b6c98b8485d6c1cbd369fb1ba332fa9657956e8b77aab35fc775640ed8d42fce0d100e08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a6a905c0fed70f9c7258b77f461f9e6
SHA16f570b9ae08b0391c3305919208120eb84777c26
SHA256f86d2c1fccd5ca4f5268c47801cfa047e9f8b1a88259d2dc8066139b0f2b9bbe
SHA51208b8203e3b4e77695855d20b092e4a3fd6b722297e9e94e1fa4b4602c7b9d9399ce816969e4fb6fe61b0396710cb7ea5e4cd1ab52bc61055871ddb55622bf500
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53abd2356dee75f93adcacbd5487a2124
SHA1fb68c1aa92d5377b98d0c9380918739d17871737
SHA25615a6e13a77d22e9d33e1097a10e0f795879049824eb5d023037356b78f34a580
SHA512cce06b329012c6deb8a83ba017eae1ba1a972ea8677c170cc6d33901e690abedddc2e1d36911986d3ae8f672b79ec2b9ccf0c0ea19cf89063f8d59100cac205b
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Filesize
4.2MB
MD5d1b49cddca7d56e08f07561850685792
SHA17456f97ae7f6c70f5f46675d6756981660f7d480
SHA256e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9
SHA512ba32a1cbe94228e870357c1c6093f96cb6c264da2c1d37c99b1c8a0f76980ab606c248776a7b3041cfabd44218e3e92e2549653581117d9ee4d6e05b6218342a
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Filesize
4.2MB
MD5d1b49cddca7d56e08f07561850685792
SHA17456f97ae7f6c70f5f46675d6756981660f7d480
SHA256e79141c86bc20580d6c6c763d794c1fa8f6500f47cad86e3a931aa75981d1dd9
SHA512ba32a1cbe94228e870357c1c6093f96cb6c264da2c1d37c99b1c8a0f76980ab606c248776a7b3041cfabd44218e3e92e2549653581117d9ee4d6e05b6218342a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec