glupteba | 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba

Analysis

max time kernel
150s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2024, 11:02

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General

Target
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Size 4.1MB
Sample240518-m5akragb96
SHA256 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba
MD5 e9a12479e3f081a7659e0b73fb5baa3a
SHA1 cccc590e656973ff713053889464b55bb0e99bb7
SHA512 6107535742ac0d27b8524ffb0067a832ebdd7b05afd55ad49ae685fc6b63d693c5b8eff0d4850037ad698fd150a4ecb8436cb1a7eca1e1c512194f5c90963eef
SSDEEP 98304:/Qx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FH:Ix32Mq02zAeLCVnWszfVfeCa8CLXv/Z
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit upx

Malware Config

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/4708-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp	family_glupteba
behavioral2/memory/4708-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4708-4-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/4708-58-0x0000000004BD0000-0x00000000054BB000-memory.dmp	family_glupteba
behavioral2/memory/4708-59-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4708-56-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/464-84-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/464-136-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-163-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-221-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-230-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-232-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-234-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-236-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-238-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-240-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-242-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-244-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/3304-246-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4780	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
3304	csrss.exe
2308	injector.exe
1420	windefender.exe
3684	windefender.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023444-224.dat	upx
behavioral2/memory/1420-225-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1420-229-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3684-231-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3684-235-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 7 IoCs

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

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	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\rss	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
File created	C:\Windows\rss\csrss.exe	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
File created	C:\Windows\windefender.exe	csrss.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2896	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4336	powershell.exe
4232	powershell.exe
2128	powershell.exe
4960	powershell.exe
1632	powershell.exe
428	powershell.exe
1684	powershell.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3008	schtasks.exe
4692	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.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\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time"	windefender.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4232	powershell.exe
4232	powershell.exe
4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
2128	powershell.exe
2128	powershell.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
4960	powershell.exe
4960	powershell.exe
1632	powershell.exe
1632	powershell.exe
428	powershell.exe
428	powershell.exe
1684	powershell.exe
1684	powershell.exe
4336	powershell.exe
4336	powershell.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
3304	csrss.exe
3304	csrss.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
3304	csrss.exe
3304	csrss.exe
3304	csrss.exe
3304	csrss.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe
2308	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	4232	powershell.exe
Token: SeDebugPrivilege	4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Token: SeImpersonatePrivilege	4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	428	powershell.exe
Token: SeDebugPrivilege	1684	powershell.exe
Token: SeDebugPrivilege	4336	powershell.exe
Token: SeSystemEnvironmentPrivilege	3304	csrss.exe
Token: SeSecurityPrivilege	2896	sc.exe
Token: SeSecurityPrivilege	2896	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4232	4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	93
PID 4708 wrote to memory of 4232	4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	93
PID 4708 wrote to memory of 4232	4708	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	93
PID 464 wrote to memory of 2128	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	99
PID 464 wrote to memory of 2128	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	99
PID 464 wrote to memory of 2128	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	99
PID 464 wrote to memory of 1584	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	101
PID 464 wrote to memory of 1584	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	101
PID 1584 wrote to memory of 4780	1584	cmd.exe	103
PID 1584 wrote to memory of 4780	1584	cmd.exe	103
PID 464 wrote to memory of 4960	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	105
PID 464 wrote to memory of 4960	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	105
PID 464 wrote to memory of 4960	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	105
PID 464 wrote to memory of 1632	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	107
PID 464 wrote to memory of 1632	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	107
PID 464 wrote to memory of 1632	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	107
PID 464 wrote to memory of 3304	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	109
PID 464 wrote to memory of 3304	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	109
PID 464 wrote to memory of 3304	464	137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe	109
PID 3304 wrote to memory of 428	3304	csrss.exe	111
PID 3304 wrote to memory of 428	3304	csrss.exe	111
PID 3304 wrote to memory of 428	3304	csrss.exe	111
PID 3304 wrote to memory of 1684	3304	csrss.exe	116
PID 3304 wrote to memory of 1684	3304	csrss.exe	116
PID 3304 wrote to memory of 1684	3304	csrss.exe	116
PID 3304 wrote to memory of 4336	3304	csrss.exe	119
PID 3304 wrote to memory of 4336	3304	csrss.exe	119
PID 3304 wrote to memory of 4336	3304	csrss.exe	119
PID 3304 wrote to memory of 2308	3304	csrss.exe	121
PID 3304 wrote to memory of 2308	3304	csrss.exe	121
PID 1420 wrote to memory of 4460	1420	windefender.exe	127
PID 1420 wrote to memory of 4460	1420	windefender.exe	127
PID 1420 wrote to memory of 4460	1420	windefender.exe	127
PID 4460 wrote to memory of 2896	4460	cmd.exe	128
PID 4460 wrote to memory of 2896	4460	cmd.exe	128
PID 4460 wrote to memory of 2896	4460	cmd.exe	128

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\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
"C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4232
- C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.bin.bin.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:464
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2128
- - 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:1584
  - - 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:4780
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4960
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1632
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3304
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:428
  - - 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:3008
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1664
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1684
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4336
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2308
  - - 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:4692
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1420
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4460
      - C:\Windows\SysWOW64\sc.exe
        
        sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        6⤵
        Launches sc.exe
        Suspicious use of AdjustPrivilegeToken
        
        PID:2896

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_dqgcapnz.4y0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dqgcapnz.4y0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

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

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