glupteba | 49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2024, 11:20

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General

Target
49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Size 4.1MB
Sample240518-nfjb2aha2w
SHA256 49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6
MD5 ee2620ecdf9ebd29138e58bedf575d61
SHA1 d3eced72204a84f1f027c69392be757ca72b61f5
SHA512 a221f8f1d94a6d762ecc2b1310090484f8e9d8448a6598146f9f768d639e6829023cd14fa414cb998eebac4803376826c456718904ab8a999b433eaec0f2f233
SSDEEP 98304:nQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08F7:Qx32Mq02zAeLCVnWszfVfeCa8CLXv/d
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 18 IoCs

resource	yara_rule
behavioral2/memory/1920-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp	family_glupteba
behavioral2/memory/1920-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1920-28-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1920-56-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1920-57-0x0000000004CE0000-0x00000000055CB000-memory.dmp	family_glupteba
behavioral2/memory/1920-54-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-214-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-229-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-230-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-232-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-235-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-236-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-238-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-240-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-243-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-245-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-246-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/2516-248-0x0000000000400000-0x0000000002B0D000-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
4860	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
2516	csrss.exe
3040	injector.exe
3624	windefender.exe
244	windefender.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3624-224-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/files/0x000b00000002297a-225.dat	upx
behavioral2/memory/244-226-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3624-228-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/244-231-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/244-234-0x0000000000400000-0x00000000008DF000-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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
File created	C:\Windows\rss\csrss.exe	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.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
4256	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
952	powershell.exe
4756	powershell.exe
996	powershell.exe
2672	powershell.exe
2556	powershell.exe
2212	powershell.exe
116	powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4604	5012	WerFault.exe	102

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
3168	schtasks.exe
1232	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\@tzres.dll,-2182 = "Astrakhan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.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\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.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"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.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,-792 = "SA Western Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
996	powershell.exe
996	powershell.exe
1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
2672	powershell.exe
2672	powershell.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
2556	powershell.exe
2556	powershell.exe
2212	powershell.exe
2212	powershell.exe
116	powershell.exe
116	powershell.exe
952	powershell.exe
952	powershell.exe
952	powershell.exe
4756	powershell.exe
4756	powershell.exe
4756	powershell.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
2516	csrss.exe
2516	csrss.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
2516	csrss.exe
2516	csrss.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
2516	csrss.exe
2516	csrss.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe
3040	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	powershell.exe
Token: SeDebugPrivilege	1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Token: SeImpersonatePrivilege	1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeDebugPrivilege	116	powershell.exe
Token: SeDebugPrivilege	952	powershell.exe
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeSystemEnvironmentPrivilege	2516	csrss.exe
Token: SeSecurityPrivilege	4256	sc.exe
Token: SeSecurityPrivilege	4256	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 996	1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	97
PID 1920 wrote to memory of 996	1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	97
PID 1920 wrote to memory of 996	1920	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	97
PID 5012 wrote to memory of 2672	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	103
PID 5012 wrote to memory of 2672	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	103
PID 5012 wrote to memory of 2672	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	103
PID 5012 wrote to memory of 4940	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	105
PID 5012 wrote to memory of 4940	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	105
PID 4940 wrote to memory of 4860	4940	cmd.exe	107
PID 4940 wrote to memory of 4860	4940	cmd.exe	107
PID 5012 wrote to memory of 2556	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	108
PID 5012 wrote to memory of 2556	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	108
PID 5012 wrote to memory of 2556	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	108
PID 5012 wrote to memory of 2212	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	110
PID 5012 wrote to memory of 2212	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	110
PID 5012 wrote to memory of 2212	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	110
PID 5012 wrote to memory of 2516	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	112
PID 5012 wrote to memory of 2516	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	112
PID 5012 wrote to memory of 2516	5012	49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe	112
PID 2516 wrote to memory of 116	2516	csrss.exe	116
PID 2516 wrote to memory of 116	2516	csrss.exe	116
PID 2516 wrote to memory of 116	2516	csrss.exe	116
PID 2516 wrote to memory of 952	2516	csrss.exe	123
PID 2516 wrote to memory of 952	2516	csrss.exe	123
PID 2516 wrote to memory of 952	2516	csrss.exe	123
PID 2516 wrote to memory of 4756	2516	csrss.exe	125
PID 2516 wrote to memory of 4756	2516	csrss.exe	125
PID 2516 wrote to memory of 4756	2516	csrss.exe	125
PID 2516 wrote to memory of 3040	2516	csrss.exe	127
PID 2516 wrote to memory of 3040	2516	csrss.exe	127
PID 3624 wrote to memory of 3856	3624	windefender.exe	134
PID 3624 wrote to memory of 3856	3624	windefender.exe	134
PID 3624 wrote to memory of 3856	3624	windefender.exe	134
PID 3856 wrote to memory of 4256	3856	cmd.exe	135
PID 3856 wrote to memory of 4256	3856	cmd.exe	135
PID 3856 wrote to memory of 4256	3856	cmd.exe	135

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\49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
"C:\Users\Admin\AppData\Local\Temp\49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920
- 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:996
- C:\Users\Admin\AppData\Local\Temp\49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\49d81696e2d08746fecc66b2b41b00ceb4cb6444ceec2121e47ba36059f0dae6.bin.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:5012
- - 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:2672
- - 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:4940
  - - 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:4860
- - 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:2556
- - 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:2212
- - 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:2516
  - - 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:116
  - - 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:3168
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4784
  - - 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:952
  - - 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:4756
  - - 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:3040
  - - 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:1232
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3624
    - - 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:3856
      - 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:4256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 612
    3⤵
    - Program crash
    PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5012 -ip 5012
1⤵
PID:3000

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:244

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

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Downloads

__PSScriptPolicyTest_0x3rkb4h.vix.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0x3rkb4h.vix.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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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

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
MD5 SHA1 SHA512

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