glupteba | 52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167

Analysis

max time kernel
150s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
16/05/2024, 12:44

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General

Target
52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Size 4.1MB
Sample240516-pykhgsdb4w
SHA256 52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167
MD5 7004fc2e943d77641b824abcc8fbda73
SHA1 40ed6b5c1967de4a824ef0865f2037228129cd3f
SHA512 26ed8ee8fe7209faa8a42291e3286884899bf91a885a6ebf1d529e6db16de8ce23f680499875969dfab5bc28baf1cbe1fd3c08395fabb364956d7ea7a5e5835d
SSDEEP 98304:sl9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+tF:xT3oWlQMUAMlWxj+tF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence upx

Malware Config

Signatures

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

Glupteba payload 15 IoCs

resource	yara_rule
behavioral2/memory/4468-2-0x0000000002E20000-0x000000000370B000-memory.dmp	family_glupteba
behavioral2/memory/4468-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4468-52-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4468-53-0x0000000002E20000-0x000000000370B000-memory.dmp	family_glupteba
behavioral2/memory/2432-137-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-199-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2432-203-0x0000000002A20000-0x0000000002E27000-memory.dmp	family_glupteba
behavioral2/memory/2248-208-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-219-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-229-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-239-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-248-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-259-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-269-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2248-279-0x0000000000400000-0x0000000000D1C000-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
3916	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	csrss.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1792-204-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2120-205-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1792-207-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2120-217-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2120-237-0x0000000000400000-0x00000000008DF000-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-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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

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 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

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	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
File created	C:\Windows\rss\csrss.exe	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe

Launches sc.exe 1 IoCs

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

pid	Process
2928	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1148	powershell.exe
1792	powershell.exe
3024	powershell.exe
1940	powershell.exe
3492	powershell.exe
3892	powershell.exe
4076	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
4656	schtasks.exe
2272	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\@tzres.dll,-242 = "Samoa Standard Time"	windefender.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\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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\@tzres.dll,-2001 = "Cabo Verde Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time"	windefender.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\@tzres.dll,-392 = "Arab Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	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,-1042 = "Ulaanbaatar Standard Time"	windefender.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1148	powershell.exe
1148	powershell.exe
4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
1792	powershell.exe
1792	powershell.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
3024	powershell.exe
3024	powershell.exe
1940	powershell.exe
1940	powershell.exe
3492	powershell.exe
3492	powershell.exe
3892	powershell.exe
3892	powershell.exe
4076	powershell.exe
4076	powershell.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe
2592	injector.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	powershell.exe
Token: SeDebugPrivilege	4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Token: SeImpersonatePrivilege	4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
Token: SeDebugPrivilege	1792	powershell.exe
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeDebugPrivilege	3492	powershell.exe
Token: SeDebugPrivilege	3892	powershell.exe
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeSecurityPrivilege	2928	sc.exe
Token: SeSecurityPrivilege	2928	sc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 1148	4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	81
PID 4468 wrote to memory of 1148	4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	81
PID 4468 wrote to memory of 1148	4468	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	81
PID 2432 wrote to memory of 1792	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	87
PID 2432 wrote to memory of 1792	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	87
PID 2432 wrote to memory of 1792	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	87
PID 2432 wrote to memory of 648	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	89
PID 2432 wrote to memory of 648	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	89
PID 648 wrote to memory of 3916	648	cmd.exe	91
PID 648 wrote to memory of 3916	648	cmd.exe	91
PID 2432 wrote to memory of 3024	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	92
PID 2432 wrote to memory of 3024	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	92
PID 2432 wrote to memory of 3024	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	92
PID 2432 wrote to memory of 1940	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	94
PID 2432 wrote to memory of 1940	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	94
PID 2432 wrote to memory of 1940	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	94
PID 2432 wrote to memory of 2248	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	96
PID 2432 wrote to memory of 2248	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	96
PID 2432 wrote to memory of 2248	2432	52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe	96
PID 1792 wrote to memory of 788	1792	windefender.exe	113
PID 1792 wrote to memory of 788	1792	windefender.exe	113
PID 1792 wrote to memory of 788	1792	windefender.exe	113
PID 788 wrote to memory of 2928	788	cmd.exe	114
PID 788 wrote to memory of 2928	788	cmd.exe	114
PID 788 wrote to memory of 2928	788	cmd.exe	114

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\52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
"C:\Users\Admin\AppData\Local\Temp\52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468
- 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:1148
- C:\Users\Admin\AppData\Local\Temp\52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.exe
  "C:\Users\Admin\AppData\Local\Temp\52dcbfeeda2cf24e263bc50e6e426ecca5c13bef512c09dc4eb015f61b970167.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:2432
- - 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:1792
- - 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:648
  - - 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:3916
- - 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:3024
- - 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:1940
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:2248
  - - 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:3492
  - - 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:4656
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1800
  - - 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:3892
  - - 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:4076
  - - 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⤵
      Suspicious behavior: EnumeratesProcesses
      PID:2592
  - - 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:2272
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1792
    - - 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:788
      - 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:2928

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Modifies data under HKEY_USERS
PID:2120

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_3mgypodr.au3.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3mgypodr.au3.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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

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