glupteba | e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 00:25

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General

Target

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Size

4.2MB
MD5

51de0af4580c06a4abb00e9b8c7c4c34
SHA1

35dd94533ed343cb6f50b4b25bd1c5398ec263be
SHA256

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8
SHA512

9fa1fa1d4751aa4bdca97dedd3e17ed00ab20f3b3276bfc296b1078144a44822eb19150e4e7525b0de5b2aef17900fc4c7c5561a7b34b6b921aec561d1ffbaaa
SSDEEP

98304:ebvDuo/zvoC5HERRwr8YNEXJ0TS4JBXxT3BRfe7gLCxccCwfp3PGPzDBAeGjYAg:enBoCproYNEXJ0O+Xpe7jrRPGnBARjfg

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Glupteba payload 18 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3024-2-0x0000000005040000-0x000000000592B000-memory.dmp	family_glupteba
behavioral1/memory/3024-3-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3024-4-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3024-26-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3024-28-0x0000000005040000-0x000000000592B000-memory.dmp	family_glupteba
behavioral1/memory/3024-46-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3024-52-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3024-61-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-63-0x0000000005010000-0x00000000058FB000-memory.dmp	family_glupteba
behavioral1/memory/724-64-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-65-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-95-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-102-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-112-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-129-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-158-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/724-164-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/2576-169-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

3608 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

2576 csrss.exe

pid	process
3608	netsh.exe

pid	process
2576	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.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

Drops file in System32 directory 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

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

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

Processes:

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

Drops file in Windows directory 2 IoCs

Processes:

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

description	ioc	process
File opened for modification	C:\Windows\rss	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
File created	C:\Windows\rss\csrss.exe	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3804 3024 WerFault.exe e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1608 schtasks.exe

pid	pid_target	process	target process
3804	3024	WerFault.exe	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

pid	process
1608	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.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,-384 = "Namibia Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.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\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.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\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exee5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exepowershell.exee5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	process
3392	powershell.exe
3392	powershell.exe
3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
2212	powershell.exe
2212	powershell.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
4380	powershell.exe
4380	powershell.exe
432	powershell.exe
432	powershell.exe
4328	powershell.exe
4328	powershell.exe
1736	powershell.exe
1736	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

powershell.exee5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3392	powershell.exe
Token: SeDebugPrivilege	3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Token: SeImpersonatePrivilege	3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	432	powershell.exe
Token: SeDebugPrivilege	4328	powershell.exe
Token: SeDebugPrivilege	1736	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exee5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.execmd.execsrss.exe

description	pid	process	target process
PID 3024 wrote to memory of 3392	3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 3024 wrote to memory of 3392	3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 3024 wrote to memory of 3392	3024	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 2212	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 2212	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 2212	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 3792	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	cmd.exe
PID 724 wrote to memory of 3792	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	cmd.exe
PID 3792 wrote to memory of 3608	3792	cmd.exe	netsh.exe
PID 3792 wrote to memory of 3608	3792	cmd.exe	netsh.exe
PID 724 wrote to memory of 4380	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 4380	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 4380	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 432	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 432	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 432	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	powershell.exe
PID 724 wrote to memory of 2576	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	csrss.exe
PID 724 wrote to memory of 2576	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	csrss.exe
PID 724 wrote to memory of 2576	724	e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe	csrss.exe
PID 2576 wrote to memory of 4328	2576	csrss.exe	powershell.exe
PID 2576 wrote to memory of 4328	2576	csrss.exe	powershell.exe
PID 2576 wrote to memory of 4328	2576	csrss.exe	powershell.exe
PID 2576 wrote to memory of 1736	2576	csrss.exe	powershell.exe
PID 2576 wrote to memory of 1736	2576	csrss.exe	powershell.exe
PID 2576 wrote to memory of 1736	2576	csrss.exe	powershell.exe

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\e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
"C:\Users\Admin\AppData\Local\Temp\e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3392

C:\Users\Admin\AppData\Local\Temp\e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.exe
"C:\Users\Admin\AppData\Local\Temp\e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8.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:724

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:2212

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:3792

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:3608

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:4380

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:432

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2576

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:4328

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:1608

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2144

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 960
2⤵
- Program crash
PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3024 -ip 3024
1⤵
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pzscpgoj.5q5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
0144cc1cb01f6b86e2ad9ab94dc543d0

SHA1
892ac30112cabed24303d10c7a14623d6ba76a86

SHA256
fad7a10b41b63f95cf8bd63984a2f411351a8ecaf4ed2ffa074ec397f2e86ac5

SHA512
e62d886d35767f183657f350dcec4f3e0cc94ad1e3564f73935b3b21408e43d7fb671ebd3e47c637a3ddbfe7f73bb8b0ec565c55d10449ce478dd86299bcfd08

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
837c3ad9d4f746b9e11315c978591438

SHA1
e53488d53a369072a0d8abe3391d12c184f9655b

SHA256
3d54cfae7cd2395d493f6805914c839e6188a252012b8bf17967a6ff9d890a91

SHA512
32d165e17bec10c61311f4f3517858f9300d02e590fd3330672a51894ba2a9086b807f4571653ea71669c2479aaf3a0ee09020a78d3744c3dc603cea70780396

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
657e5b2c75357d846a86818980ec5e87

SHA1
976c3beb32b4495a1b47c5ce49978b9212057ab0

SHA256
81b89a5cb725c79f6192fbd1dbba98ace2e9a6c69164e7b6066bfdde8396657e

SHA512
a24152bdb96b7da4c44f06ac035ab2d9b22aab25ca0d93f2328ae9e2df2dcfec81f37fe34e218682a64cc782094526a542c517b5b5cb10211d246cc71cd50bad

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
918b228d258a442828ed0eb833c855c9

SHA1
b842402b6984bb919595bbdf518adb5ddb1c69db

SHA256
6fae57c2ff806b86a785f0ea7424ce5f2312d814eb38155d8820240e3bb750d3

SHA512
5f43b71c69a53618683cc9dd0c865dc1d12ff6facf71456f6eb3b309fddee81baf06352b01430cb793d8e381a36c2748a6c21b8e664efa1c67a388477b473ebd

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
51de0af4580c06a4abb00e9b8c7c4c34

SHA1
35dd94533ed343cb6f50b4b25bd1c5398ec263be

SHA256
e5e37908bcdd276e1cef16aac925d10e946a972922ca368ef8e998cbfe9979d8

SHA512
9fa1fa1d4751aa4bdca97dedd3e17ed00ab20f3b3276bfc296b1078144a44822eb19150e4e7525b0de5b2aef17900fc4c7c5561a7b34b6b921aec561d1ffbaaa

Download Submit
memory/432-143-0x0000000006430000-0x0000000006784000-memory.dmp

Filesize
3.3MB

Download
memory/432-132-0x0000000074FC0000-0x0000000075770000-memory.dmp

Filesize
7.7MB

Download
memory/432-133-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/724-95-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-158-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-63-0x0000000005010000-0x00000000058FB000-memory.dmp

Filesize
8.9MB

Download
memory/724-164-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-64-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-102-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-65-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-129-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-97-0x0000000003370000-0x0000000003769000-memory.dmp

Filesize
4.0MB

Download
memory/724-112-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/724-62-0x0000000003370000-0x0000000003769000-memory.dmp

Filesize
4.0MB

Download
memory/2212-82-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

Filesize
304KB

Download
memory/2212-71-0x0000000074FC0000-0x0000000075770000-memory.dmp

Filesize
7.7MB

Download
memory/2212-96-0x0000000007920000-0x0000000007934000-memory.dmp

Filesize
80KB

Download
memory/2212-100-0x0000000074FC0000-0x0000000075770000-memory.dmp

Filesize
7.7MB

Download
memory/2212-81-0x000000007EED0000-0x000000007EEE0000-memory.dmp

Filesize
64KB

Download
memory/2212-80-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/2212-79-0x0000000006410000-0x000000000645C000-memory.dmp

Filesize
304KB

Download
memory/2212-94-0x00000000078F0000-0x0000000007901000-memory.dmp

Filesize
68KB

Download
memory/2212-72-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/2212-73-0x0000000005D20000-0x0000000006074000-memory.dmp

Filesize
3.3MB

Download
memory/2212-74-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/2212-93-0x00000000075B0000-0x0000000007653000-memory.dmp

Filesize
652KB

Download
memory/2212-83-0x0000000071660000-0x00000000719B4000-memory.dmp

Filesize
3.3MB

Download
memory/2576-169-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-61-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-46-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-2-0x0000000005040000-0x000000000592B000-memory.dmp

Filesize
8.9MB

Download
memory/3024-3-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-4-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-1-0x00000000033A0000-0x000000000379A000-memory.dmp

Filesize
4.0MB

Download
memory/3024-26-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-52-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3024-27-0x00000000033A0000-0x000000000379A000-memory.dmp

Filesize
4.0MB

Download
memory/3024-28-0x0000000005040000-0x000000000592B000-memory.dmp

Filesize
8.9MB

Download
memory/3392-47-0x000000007FB40000-0x000000007FB50000-memory.dmp

Filesize
64KB

Download
memory/3392-10-0x0000000005AE0000-0x0000000005B02000-memory.dmp

Filesize
136KB

Download
memory/3392-54-0x0000000007AE0000-0x0000000007AF4000-memory.dmp

Filesize
80KB

Download
memory/3392-49-0x0000000007A70000-0x0000000007A7A000-memory.dmp

Filesize
40KB

Download
memory/3392-45-0x0000000007900000-0x000000000791E000-memory.dmp

Filesize
120KB

Download
memory/3392-35-0x00000000711B0000-0x0000000071504000-memory.dmp

Filesize
3.3MB

Download
memory/3392-34-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/3392-33-0x0000000007920000-0x0000000007952000-memory.dmp

Filesize
200KB

Download
memory/3392-32-0x0000000007760000-0x000000000777A000-memory.dmp

Filesize
104KB

Download
memory/3392-31-0x0000000007DB0000-0x000000000842A000-memory.dmp

Filesize
6.5MB

Download
memory/3392-30-0x0000000007640000-0x00000000076B6000-memory.dmp

Filesize
472KB

Download
memory/3392-29-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/3392-50-0x0000000007B80000-0x0000000007C16000-memory.dmp

Filesize
600KB

Download
memory/3392-51-0x0000000007A80000-0x0000000007A91000-memory.dmp

Filesize
68KB

Download
memory/3392-53-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/3392-25-0x0000000006900000-0x0000000006944000-memory.dmp

Filesize
272KB

Download
memory/3392-24-0x0000000006710000-0x000000000675C000-memory.dmp

Filesize
304KB

Download
memory/3392-23-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/3392-55-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/3392-56-0x0000000007B10000-0x0000000007B18000-memory.dmp

Filesize
32KB

Download
memory/3392-59-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3392-22-0x0000000005D90000-0x00000000060E4000-memory.dmp

Filesize
3.3MB

Download
memory/3392-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3392-7-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/3392-6-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

Filesize
216KB

Download
memory/3392-12-0x0000000005C60000-0x0000000005CC6000-memory.dmp

Filesize
408KB

Download
memory/3392-8-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/3392-11-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/3392-48-0x0000000007960000-0x0000000007A03000-memory.dmp

Filesize
652KB

Download
memory/3392-9-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/4380-131-0x0000000074FC0000-0x0000000075770000-memory.dmp

Filesize
7.7MB

Download
memory/4380-119-0x0000000071660000-0x00000000719B4000-memory.dmp

Filesize
3.3MB

Download
memory/4380-118-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

Filesize
304KB

Download
memory/4380-117-0x000000007F200000-0x000000007F210000-memory.dmp

Filesize
64KB

Download
memory/4380-115-0x0000000004A80000-0x0000000004A90000-memory.dmp

Filesize
64KB

Download
memory/4380-114-0x0000000004A80000-0x0000000004A90000-memory.dmp

Filesize
64KB

Download
memory/4380-113-0x0000000074FC0000-0x0000000075770000-memory.dmp

Filesize
7.7MB

Download