glupteba | 4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e

Analysis

max time kernel
44s
max time network
20s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
06/11/2023, 01:09

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General

Target

4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Size

4.1MB
MD5

346f7cec1ca5e01ad4915782a9766e2f
SHA1

2626ca931cf677616212e7cb42c813425da7b597
SHA256

4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e
SHA512

4e1abff954a2601dc89800ae37d4416655c10918bc85a20cd794b001eb0b9d8ad41dfc5f6b538fc2d0f321b060f7513886953038382f6547c356cabbbe25f1a5
SSDEEP

98304:NdTo180BUDmy/cmtnZjtg+GKFSPeUtG02X:/oC0KDjtJUtG0e

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 12 IoCs

resource	yara_rule
behavioral1/memory/2920-2-0x0000000002E30000-0x000000000371B000-memory.dmp	family_glupteba
behavioral1/memory/2920-3-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/2920-40-0x0000000002E30000-0x000000000371B000-memory.dmp	family_glupteba
behavioral1/memory/2920-71-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/2920-86-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/2920-307-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1636-310-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1636-412-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1636-559-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1636-828-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/1636-1053-0x0000000000400000-0x0000000000D1B000-memory.dmp	family_glupteba
behavioral1/memory/5076-1057-0x0000000000400000-0x0000000000D1B000-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\Processes\windefender.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
1012	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	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"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe = "0"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.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-1-5-21-1534848907-968546671-3000393597-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.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	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
File opened for modification	C:\Windows\rss	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
3852	powershell.exe
3852	powershell.exe
3852	powershell.exe
2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
3592	powershell.exe
3592	powershell.exe
3592	powershell.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
4024	powershell.exe
4024	powershell.exe
4024	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3852	powershell.exe
Token: SeDebugPrivilege	2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Token: SeImpersonatePrivilege	2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
Token: SeDebugPrivilege	3592	powershell.exe
Token: SeDebugPrivilege	4024	powershell.exe
Token: SeDebugPrivilege	32	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 3852	2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	72
PID 2920 wrote to memory of 3852	2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	72
PID 2920 wrote to memory of 3852	2920	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	72
PID 1636 wrote to memory of 3592	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	77
PID 1636 wrote to memory of 3592	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	77
PID 1636 wrote to memory of 3592	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	77
PID 1636 wrote to memory of 3888	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	79
PID 1636 wrote to memory of 3888	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	79
PID 3888 wrote to memory of 1012	3888	cmd.exe	81
PID 3888 wrote to memory of 1012	3888	cmd.exe	81
PID 1636 wrote to memory of 4024	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	82
PID 1636 wrote to memory of 4024	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	82
PID 1636 wrote to memory of 4024	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	82
PID 1636 wrote to memory of 32	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	84
PID 1636 wrote to memory of 32	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	84
PID 1636 wrote to memory of 32	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	84
PID 1636 wrote to memory of 5076	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	86
PID 1636 wrote to memory of 5076	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	86
PID 1636 wrote to memory of 5076	1636	4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe	86

C:\Users\Admin\AppData\Local\Temp\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
"C:\Users\Admin\AppData\Local\Temp\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3852
- C:\Users\Admin\AppData\Local\Temp\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.exe
  "C:\Users\Admin\AppData\Local\Temp\4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e.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:1636
- - 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:3592
- - 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:3888
  - - 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:1012
- - 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:4024
- - 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:32
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    PID:5076

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_bajlz03d.jfq.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
e330bf6cac8100bec0a15f7419cc921e

SHA1
100ae3d45ce7c5143db96cb98115e1bcc96d0241

SHA256
de19c5a8a07e91bc00a38e03fc84fb6e4aed897b2bb6ef92e5aa4b133009e306

SHA512
b281c8e45dbe75d8453bab0ed0befda3e92fc6fd7e60dc73bbcb66916f18470d84d6755c135d39ca0f17dda0ee01a753be6eda785acc7546535a9e847dc76d2f

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

Filesize
18KB

MD5
8f49a991fc25d7b341f27d7d00ff40c8

SHA1
d5bede7a4819ddfdc64bcf369d324388f5208673

SHA256
aadfc6e92c80c1161e3ba23eee3f7f814e79ae7d4f5bd1230eae7853e42102ef

SHA512
7e6256e5a666626b9781c4d8707bfd67c1d5a78187ecdec0e5d16cbe1f55ef3e2e21a7523eef3e730fc2ab1168176262d89d31c4263a14435b5177ca860e236b

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

Filesize
4.1MB

MD5
346f7cec1ca5e01ad4915782a9766e2f

SHA1
2626ca931cf677616212e7cb42c813425da7b597

SHA256
4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e

SHA512
4e1abff954a2601dc89800ae37d4416655c10918bc85a20cd794b001eb0b9d8ad41dfc5f6b538fc2d0f321b060f7513886953038382f6547c356cabbbe25f1a5

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

Filesize
4.1MB

MD5
346f7cec1ca5e01ad4915782a9766e2f

SHA1
2626ca931cf677616212e7cb42c813425da7b597

SHA256
4f8670f1f3022f7fde10833446afb03a229f11a3e308d5659cb2db535975996e

SHA512
4e1abff954a2601dc89800ae37d4416655c10918bc85a20cd794b001eb0b9d8ad41dfc5f6b538fc2d0f321b060f7513886953038382f6547c356cabbbe25f1a5

Download Submit
memory/32-808-0x0000000007640000-0x0000000007650000-memory.dmp

Filesize
64KB

Download
memory/32-831-0x000000006FEC0000-0x0000000070210000-memory.dmp

Filesize
3.3MB

Download
memory/32-830-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

Filesize
64KB

Download
memory/32-836-0x0000000007640000-0x0000000007650000-memory.dmp

Filesize
64KB

Download
memory/32-829-0x000000006FE50000-0x000000006FE9B000-memory.dmp

Filesize
300KB

Download
memory/32-807-0x0000000007640000-0x0000000007650000-memory.dmp

Filesize
64KB

Download
memory/32-1049-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/32-806-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/1636-309-0x0000000002970000-0x0000000002D6C000-memory.dmp

Filesize
4.0MB

Download
memory/1636-828-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1636-1053-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1636-559-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1636-412-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/1636-335-0x0000000002970000-0x0000000002D6C000-memory.dmp

Filesize
4.0MB

Download
memory/1636-310-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2920-71-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2920-307-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2920-2-0x0000000002E30000-0x000000000371B000-memory.dmp

Filesize
8.9MB

Download
memory/2920-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2920-13-0x0000000002A30000-0x0000000002E2F000-memory.dmp

Filesize
4.0MB

Download
memory/2920-86-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download
memory/2920-40-0x0000000002E30000-0x000000000371B000-memory.dmp

Filesize
8.9MB

Download
memory/2920-1-0x0000000002A30000-0x0000000002E2F000-memory.dmp

Filesize
4.0MB

Download
memory/3592-343-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/3592-342-0x0000000009D60000-0x0000000009E05000-memory.dmp

Filesize
660KB

Download
memory/3592-337-0x000000006FEC0000-0x0000000070210000-memory.dmp

Filesize
3.3MB

Download
memory/3592-336-0x000000006FE50000-0x000000006FE9B000-memory.dmp

Filesize
300KB

Download
memory/3592-558-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/3592-314-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/3592-316-0x00000000088F0000-0x000000000893B000-memory.dmp

Filesize
300KB

Download
memory/3592-315-0x0000000008260000-0x00000000085B0000-memory.dmp

Filesize
3.3MB

Download
memory/3592-311-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/3852-306-0x0000000073020000-0x000000007370E000-memory.dmp

Filesize
6.9MB

Download
memory/3852-10-0x0000000006EE0000-0x0000000007508000-memory.dmp

Filesize
6.2MB

Download
memory/3852-77-0x0000000009950000-0x0000000009983000-memory.dmp

Filesize
204KB

Download
memory/3852-78-0x000000006FD30000-0x000000006FD7B000-memory.dmp

Filesize
300KB

Download
memory/3852-288-0x0000000004870000-0x0000000004878000-memory.dmp

Filesize
32KB

Download
memory/3852-283-0x0000000009B20000-0x0000000009B3A000-memory.dmp

Filesize
104KB

Download
memory/3852-160-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/3852-89-0x0000000009B40000-0x0000000009BD4000-memory.dmp

Filesize
592KB

Download
memory/3852-68-0x0000000008B20000-0x0000000008B96000-memory.dmp

Filesize
472KB

Download
memory/3852-87-0x0000000073020000-0x000000007370E000-memory.dmp

Filesize
6.9MB

Download
memory/3852-88-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/3852-36-0x0000000007FB0000-0x0000000007FEC000-memory.dmp

Filesize
240KB

Download
memory/3852-79-0x000000006FD80000-0x00000000700D0000-memory.dmp

Filesize
3.3MB

Download
memory/3852-80-0x0000000009930000-0x000000000994E000-memory.dmp

Filesize
120KB

Download
memory/3852-17-0x00000000079D0000-0x0000000007A1B000-memory.dmp

Filesize
300KB

Download
memory/3852-7-0x00000000041D0000-0x0000000004206000-memory.dmp

Filesize
216KB

Download
memory/3852-6-0x0000000073020000-0x000000007370E000-memory.dmp

Filesize
6.9MB

Download
memory/3852-8-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/3852-9-0x00000000029D0000-0x00000000029E0000-memory.dmp

Filesize
64KB

Download
memory/3852-16-0x00000000079B0000-0x00000000079CC000-memory.dmp

Filesize
112KB

Download
memory/3852-15-0x00000000075E0000-0x0000000007930000-memory.dmp

Filesize
3.3MB

Download
memory/3852-14-0x0000000007570000-0x00000000075D6000-memory.dmp

Filesize
408KB

Download
memory/3852-12-0x0000000006CC0000-0x0000000006D26000-memory.dmp

Filesize
408KB

Download
memory/3852-85-0x0000000009990000-0x0000000009A35000-memory.dmp

Filesize
660KB

Download
memory/3852-11-0x0000000006C20000-0x0000000006C42000-memory.dmp

Filesize
136KB

Download
memory/3852-76-0x000000007F250000-0x000000007F260000-memory.dmp

Filesize
64KB

Download
memory/4024-803-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/4024-590-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/4024-585-0x000000006FEA0000-0x00000000701F0000-memory.dmp

Filesize
3.3MB

Download
memory/4024-584-0x000000006FE50000-0x000000006FE9B000-memory.dmp

Filesize
300KB

Download
memory/4024-564-0x0000000007CF0000-0x0000000008040000-memory.dmp

Filesize
3.3MB

Download
memory/4024-563-0x0000000073120000-0x000000007380E000-memory.dmp

Filesize
6.9MB

Download
memory/5076-1056-0x0000000003000000-0x00000000033F9000-memory.dmp

Filesize
4.0MB

Download
memory/5076-1057-0x0000000000400000-0x0000000000D1B000-memory.dmp

Filesize
9.1MB

Download