glupteba | f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64

Analysis

max time kernel
139s
max time network
130s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
30/09/2023, 08:08

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General

Target

f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Size

4.1MB
MD5

09f31947bf0d848ef5cd3d55ebe4acf1
SHA1

fddb4dc104332c3b832751e913b7d8cc28a7e13c
SHA256

f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64
SHA512

ccfcbfdba73d041d006eff4aec539405bef766f85f02e419a92ef900fcc8002d0b36fe450757ca991d3f68325c8c4d387c34ab3a0aa2d7857ad5a6d47f6113e0
SSDEEP

98304:+I8OPHwS8OmnWXU606R0g8wMu6/PruMGJPN5t0XL:R8OPQS86/06t2NG1Zo

Score

10^/10

glupteba dropper evasion loader persistence trojan

Malware Config

Signatures

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

Glupteba payload 11 IoCs

resource	yara_rule
behavioral1/memory/3040-1-0x0000000002EC0000-0x00000000037AB000-memory.dmp	family_glupteba
behavioral1/memory/3040-2-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/3040-3-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/3040-57-0x0000000002EC0000-0x00000000037AB000-memory.dmp	family_glupteba
behavioral1/memory/3040-157-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/3040-306-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1380-308-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1380-411-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1380-662-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1380-1042-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1380-1054-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
4428	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	csrss.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe = "0"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-844837608-3875958368-2945961404-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Drops file in System32 directory 4 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

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	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
File created	C:\Windows\rss\csrss.exe	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
3060	powershell.exe
3060	powershell.exe
3060	powershell.exe
3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
4168	powershell.exe
4168	powershell.exe
4168	powershell.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
3776	powershell.exe
3776	powershell.exe
3776	powershell.exe
3016	powershell.exe
3016	powershell.exe
3016	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Token: SeImpersonatePrivilege	3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
Token: SeDebugPrivilege	4168	powershell.exe
Token: SeDebugPrivilege	3776	powershell.exe
Token: SeDebugPrivilege	3016	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3060	3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	71
PID 3040 wrote to memory of 3060	3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	71
PID 3040 wrote to memory of 3060	3040	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	71
PID 1380 wrote to memory of 4168	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	76
PID 1380 wrote to memory of 4168	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	76
PID 1380 wrote to memory of 4168	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	76
PID 1380 wrote to memory of 3612	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	78
PID 1380 wrote to memory of 3612	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	78
PID 3612 wrote to memory of 4428	3612	cmd.exe	80
PID 3612 wrote to memory of 4428	3612	cmd.exe	80
PID 1380 wrote to memory of 3776	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	81
PID 1380 wrote to memory of 3776	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	81
PID 1380 wrote to memory of 3776	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	81
PID 1380 wrote to memory of 3016	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	83
PID 1380 wrote to memory of 3016	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	83
PID 1380 wrote to memory of 3016	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	83
PID 1380 wrote to memory of 1328	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	85
PID 1380 wrote to memory of 1328	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	85
PID 1380 wrote to memory of 1328	1380	f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe	85

C:\Users\Admin\AppData\Local\Temp\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
"C:\Users\Admin\AppData\Local\Temp\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Users\Admin\AppData\Local\Temp\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe
  "C:\Users\Admin\AppData\Local\Temp\f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64.exe"
  2⤵
  - Windows security bypass
  - Windows security modification
  - 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:1380
- - 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:4168
- - 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:3612
  - - 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
      Modifies data under HKEY_USERS
      PID:4428
- - 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:3776
- - 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:3016
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5pbu3ga.ehi.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

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

Filesize
2KB

MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

Filesize
18KB

MD5
1c71f803e0748d9c7e46330261c97b0b

SHA1
5d0d0ec193251c0a3886c6ee1396e3a85fc8e0ae

SHA256
a75870905de29b90a1acb3982d33bf95e73c533f69ee7971d24ca5dd95d060a5

SHA512
440edbc8049e105787325ed3e73a9283a8dd0b5f8bb87ca70a03b2a0c5afd38c2e6e40236df6f2f707410797a6601f86a7ad6512686631e48142614781d0590d

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

Filesize
18KB

MD5
d11ed7f68b1725bf4b0364008cf098d1

SHA1
d4de46103d32871bc2ec09f765cd66be005a96b5

SHA256
17578ca51663872b1ce515521ffb7e46cc0b95a2bb5e46f21f4b1d4523837f2e

SHA512
4ecc765c0c6d0935c13ddd6664c6d3afdd1c16ab5f7c83f72acd6d1ab4f7d2fb0fa0d46d5f65ec77880655817e3bee01010c79a7f70f613fe403e4c4eb3f9e81

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
09f31947bf0d848ef5cd3d55ebe4acf1

SHA1
fddb4dc104332c3b832751e913b7d8cc28a7e13c

SHA256
f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64

SHA512
ccfcbfdba73d041d006eff4aec539405bef766f85f02e419a92ef900fcc8002d0b36fe450757ca991d3f68325c8c4d387c34ab3a0aa2d7857ad5a6d47f6113e0

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
09f31947bf0d848ef5cd3d55ebe4acf1

SHA1
fddb4dc104332c3b832751e913b7d8cc28a7e13c

SHA256
f5e88b7c5e063fff605801de19fbda09d11c34f44331f29997ed7e4f6c157e64

SHA512
ccfcbfdba73d041d006eff4aec539405bef766f85f02e419a92ef900fcc8002d0b36fe450757ca991d3f68325c8c4d387c34ab3a0aa2d7857ad5a6d47f6113e0

Download Submit
memory/1380-307-0x0000000002910000-0x0000000002D08000-memory.dmp

Filesize
4.0MB

Download
memory/1380-308-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1380-411-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1380-1054-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1380-1042-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1380-662-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3016-828-0x00000000703E0000-0x000000007042B000-memory.dmp

Filesize
300KB

Download
memory/3016-834-0x0000000004710000-0x0000000004720000-memory.dmp

Filesize
64KB

Download
memory/3016-808-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-1049-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-829-0x0000000070430000-0x0000000070780000-memory.dmp

Filesize
3.3MB

Download
memory/3016-1048-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-57-0x0000000002EC0000-0x00000000037AB000-memory.dmp

Filesize
8.9MB

Download
memory/3040-157-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3040-0-0x0000000002AC0000-0x0000000002EB8000-memory.dmp

Filesize
4.0MB

Download
memory/3040-17-0x0000000002AC0000-0x0000000002EB8000-memory.dmp

Filesize
4.0MB

Download
memory/3040-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3040-2-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3040-1-0x0000000002EC0000-0x00000000037AB000-memory.dmp

Filesize
8.9MB

Download
memory/3040-306-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/3060-36-0x0000000009850000-0x000000000988C000-memory.dmp

Filesize
240KB

Download
memory/3060-11-0x0000000008010000-0x0000000008032000-memory.dmp

Filesize
136KB

Download
memory/3060-87-0x000000000A970000-0x000000000AA04000-memory.dmp

Filesize
592KB

Download
memory/3060-156-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3060-85-0x00000000735B0000-0x0000000073C9E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-282-0x0000000009890000-0x00000000098AA000-memory.dmp

Filesize
104KB

Download
memory/3060-287-0x0000000009840000-0x0000000009848000-memory.dmp

Filesize
32KB

Download
memory/3060-305-0x00000000735B0000-0x0000000073C9E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-84-0x000000000A750000-0x000000000A7F5000-memory.dmp

Filesize
660KB

Download
memory/3060-79-0x000000000A6F0000-0x000000000A70E000-memory.dmp

Filesize
120KB

Download
memory/3060-78-0x0000000070310000-0x0000000070660000-memory.dmp

Filesize
3.3MB

Download
memory/3060-6-0x00000000735B0000-0x0000000073C9E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-86-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3060-7-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3060-8-0x00000000052F0000-0x0000000005326000-memory.dmp

Filesize
216KB

Download
memory/3060-9-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/3060-10-0x00000000079A0000-0x0000000007FC8000-memory.dmp

Filesize
6.2MB

Download
memory/3060-68-0x0000000009950000-0x00000000099C6000-memory.dmp

Filesize
472KB

Download
memory/3060-12-0x00000000080B0000-0x0000000008116000-memory.dmp

Filesize
408KB

Download
memory/3060-13-0x0000000008300000-0x0000000008366000-memory.dmp

Filesize
408KB

Download
memory/3060-14-0x0000000008370000-0x00000000086C0000-memory.dmp

Filesize
3.3MB

Download
memory/3060-77-0x00000000702C0000-0x000000007030B000-memory.dmp

Filesize
300KB

Download
memory/3060-15-0x0000000008770000-0x000000000878C000-memory.dmp

Filesize
112KB

Download
memory/3060-16-0x0000000008CA0000-0x0000000008CEB000-memory.dmp

Filesize
300KB

Download
memory/3060-75-0x000000007F210000-0x000000007F220000-memory.dmp

Filesize
64KB

Download
memory/3060-76-0x000000000A710000-0x000000000A743000-memory.dmp

Filesize
204KB

Download
memory/3776-563-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/3776-564-0x00000000045E0000-0x00000000045F0000-memory.dmp

Filesize
64KB

Download
memory/3776-565-0x00000000045E0000-0x00000000045F0000-memory.dmp

Filesize
64KB

Download
memory/3776-805-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/3776-585-0x00000000703E0000-0x000000007042B000-memory.dmp

Filesize
300KB

Download
memory/3776-586-0x0000000070430000-0x0000000070780000-memory.dmp

Filesize
3.3MB

Download
memory/3776-591-0x00000000045E0000-0x00000000045F0000-memory.dmp

Filesize
64KB

Download
memory/4168-312-0x0000000006FB0000-0x0000000006FC0000-memory.dmp

Filesize
64KB

Download
memory/4168-559-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/4168-545-0x0000000006FB0000-0x0000000006FC0000-memory.dmp

Filesize
64KB

Download
memory/4168-520-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download
memory/4168-342-0x0000000006FB0000-0x0000000006FC0000-memory.dmp

Filesize
64KB

Download
memory/4168-341-0x0000000009950000-0x00000000099F5000-memory.dmp

Filesize
660KB

Download
memory/4168-336-0x000000007EE20000-0x000000007EE30000-memory.dmp

Filesize
64KB

Download
memory/4168-335-0x0000000070430000-0x0000000070780000-memory.dmp

Filesize
3.3MB

Download
memory/4168-334-0x00000000703E0000-0x000000007042B000-memory.dmp

Filesize
300KB

Download
memory/4168-315-0x00000000083F0000-0x000000000843B000-memory.dmp

Filesize
300KB

Download
memory/4168-314-0x0000000007FB0000-0x0000000008300000-memory.dmp

Filesize
3.3MB

Download
memory/4168-313-0x0000000006FB0000-0x0000000006FC0000-memory.dmp

Filesize
64KB

Download
memory/4168-311-0x00000000736B0000-0x0000000073D9E000-memory.dmp

Filesize
6.9MB

Download