glupteba | e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7

Analysis

max time kernel
149s
max time network
135s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
25/04/2024, 15:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Size 4.2MB
Sample240425-syrtcaca6z
SHA256 e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7
MD5 02cdf4c0add1d23c14bbdad754cd7216
SHA1 0bb23a92012d7ae03635488a674b19e45bafea27
SHA512 3b2fc3af0b1a4181f08793e0a253a8774e23abb755c996d6388ca3d29450005e6404c972664ed25ba06b9c2860298d48459a12bb7638b900142504b57f079f97
SSDEEP 98304:6+8Pj1ZT6Vr0wZqa219A2D71J0S/rwUCjvn1rKajWGkWvy/KS6wUa/M:6pTT62wIa89A2D71N/UUOgaSZKqUAM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Malware Config

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/3812-2-0x0000000005350000-0x0000000005C3B000-memory.dmp	family_glupteba
behavioral2/memory/3812-3-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3812-51-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3812-53-0x0000000005350000-0x0000000005C3B000-memory.dmp	family_glupteba
behavioral2/memory/3424-55-0x0000000005210000-0x0000000005AFB000-memory.dmp	family_glupteba
behavioral2/memory/3424-56-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3424-89-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3424-128-0x0000000003660000-0x0000000003A64000-memory.dmp	family_glupteba
behavioral2/memory/3424-146-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-191-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-244-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-253-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-255-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-257-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-259-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-261-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-263-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-265-0x0000000000400000-0x000000000300B000-memory.dmp	family_glupteba
behavioral2/memory/3416-267-0x0000000000400000-0x000000000300B000-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
440	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
3416	csrss.exe
1476	injector.exe
840	windefender.exe
4312	windefender.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000002a9d2-247.dat	upx
behavioral2/memory/840-251-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4312-254-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4312-258-0x0000000000400000-0x00000000008DF000-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-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.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 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	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
File created	C:\Windows\rss\csrss.exe	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.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
992	sc.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
5032	3812	WerFault.exe	79
4092	3812	WerFault.exe	79
1544	3812	WerFault.exe	79

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
1340	schtasks.exe
2036	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	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\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1780	powershell.exe
1780	powershell.exe
3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
1040	powershell.exe
1040	powershell.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
3460	powershell.exe
3460	powershell.exe
4716	powershell.exe
4716	powershell.exe
1028	powershell.exe
1028	powershell.exe
3816	powershell.exe
3816	powershell.exe
1184	powershell.exe
1184	powershell.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
3416	csrss.exe
3416	csrss.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
3416	csrss.exe
3416	csrss.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
3416	csrss.exe
3416	csrss.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe
1476	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeDebugPrivilege	3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Token: SeImpersonatePrivilege	3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
Token: SeDebugPrivilege	1040	powershell.exe
Token: SeDebugPrivilege	3460	powershell.exe
Token: SeDebugPrivilege	4716	powershell.exe
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeDebugPrivilege	3816	powershell.exe
Token: SeDebugPrivilege	1184	powershell.exe
Token: SeSystemEnvironmentPrivilege	3416	csrss.exe
Token: SeSecurityPrivilege	992	sc.exe
Token: SeSecurityPrivilege	992	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 1780	3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	83
PID 3812 wrote to memory of 1780	3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	83
PID 3812 wrote to memory of 1780	3812	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	83
PID 3424 wrote to memory of 1040	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	95
PID 3424 wrote to memory of 1040	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	95
PID 3424 wrote to memory of 1040	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	95
PID 3424 wrote to memory of 3720	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	97
PID 3424 wrote to memory of 3720	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	97
PID 3720 wrote to memory of 440	3720	cmd.exe	99
PID 3720 wrote to memory of 440	3720	cmd.exe	99
PID 3424 wrote to memory of 3460	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	100
PID 3424 wrote to memory of 3460	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	100
PID 3424 wrote to memory of 3460	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	100
PID 3424 wrote to memory of 4716	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	102
PID 3424 wrote to memory of 4716	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	102
PID 3424 wrote to memory of 4716	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	102
PID 3424 wrote to memory of 3416	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	104
PID 3424 wrote to memory of 3416	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	104
PID 3424 wrote to memory of 3416	3424	e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe	104
PID 3416 wrote to memory of 1028	3416	csrss.exe	105
PID 3416 wrote to memory of 1028	3416	csrss.exe	105
PID 3416 wrote to memory of 1028	3416	csrss.exe	105
PID 3416 wrote to memory of 3816	3416	csrss.exe	111
PID 3416 wrote to memory of 3816	3416	csrss.exe	111
PID 3416 wrote to memory of 3816	3416	csrss.exe	111
PID 3416 wrote to memory of 1184	3416	csrss.exe	113
PID 3416 wrote to memory of 1184	3416	csrss.exe	113
PID 3416 wrote to memory of 1184	3416	csrss.exe	113
PID 3416 wrote to memory of 1476	3416	csrss.exe	115
PID 3416 wrote to memory of 1476	3416	csrss.exe	115
PID 840 wrote to memory of 3820	840	windefender.exe	121
PID 840 wrote to memory of 3820	840	windefender.exe	121
PID 840 wrote to memory of 3820	840	windefender.exe	121
PID 3820 wrote to memory of 992	3820	cmd.exe	122
PID 3820 wrote to memory of 992	3820	cmd.exe	122
PID 3820 wrote to memory of 992	3820	cmd.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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
"C:\Users\Admin\AppData\Local\Temp\e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.exe
  "C:\Users\Admin\AppData\Local\Temp\e2e57b9f45bc1374e6763413481cbf6d560f5d8baee5f5839b5f4b1326c31ca7.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:3424
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1040
- - 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:3720
  - - 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:440
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3460
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4716
- - 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:3416
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1028
  - - 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:1340
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4364
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3816
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1184
  - - 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:1476
  - - 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:2036
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:840
    - - 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:3820
      - 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:992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 876
  2⤵
  - Program crash
  PID:5032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 684
  2⤵
  - Program crash
  PID:4092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 960
  2⤵
  - Program crash
  PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3812 -ip 3812
1⤵
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3812 -ip 3812
1⤵
PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3812 -ip 3812
1⤵
PID:3928

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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_mnyaxwdf.hku.ps1

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

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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
MD5 d0c46cad6c0778401e21910bd6b56b70
SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
MD5 SHA1 SHA512

Submit Download