glupteba | 66d17caca4ec6104ee32c7dcaaf8fd532365fd1bd72b295f5ad8e906ce5d65f8

Analysis

max time kernel
149s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 12:10

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General

Target

ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Size

4.5MB
MD5

e8586ae87e14f054c057db644416b0a9
SHA1

99712749b1bb1788968b5180b11dc277b1c41dfb
SHA256

ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877
SHA512

57a1abf4d50d83bac4f5da9cb2313875b54598561e920c461bcd9042efea599248d11ca7d5ed5f02bf02c89c29cd44ad5f1b13add2246fc00bd500d1e757454a
SSDEEP

98304:rbvBgLfeZsWg5tKVXl293rYvV1chdJOv+M7gGx2ph3HE7XLnNiTX588:nG2ZiaMJrY91chWvB7gGxqh4QTXV

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence privilege_escalation rootkit trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/1876-2-0x0000000003140000-0x0000000003A66000-memory.dmp	family_glupteba
behavioral2/memory/1876-3-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1876-4-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1876-5-0x0000000003140000-0x0000000003A66000-memory.dmp	family_glupteba
behavioral2/memory/3120-8-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3120-14-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-16-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-22-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-23-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-24-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-25-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-26-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-27-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-28-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-29-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-30-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-31-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-32-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3924-33-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4504	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3924	csrss.exe
4120	injector.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BillowingWildflower = "\"C:\\Windows\\rss\\csrss.exe\""	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.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

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	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
File created	C:\Windows\rss\csrss.exe	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1240	1876	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1876	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
1876	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
3924	csrss.exe
3924	csrss.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe
4120	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Token: SeImpersonatePrivilege	1876	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Token: SeSystemEnvironmentPrivilege	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
Token: SeSystemEnvironmentPrivilege	3924	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 1420	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe	94
PID 3120 wrote to memory of 1420	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe	94
PID 1420 wrote to memory of 4504	1420	cmd.exe	96
PID 1420 wrote to memory of 4504	1420	cmd.exe	96
PID 3120 wrote to memory of 3924	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe	97
PID 3120 wrote to memory of 3924	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe	97
PID 3120 wrote to memory of 3924	3120	ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe	97
PID 3924 wrote to memory of 4120	3924	csrss.exe	102
PID 3924 wrote to memory of 4120	3924	csrss.exe	102

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\ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
"C:\Users\Admin\AppData\Local\Temp\ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1876
- C:\Users\Admin\AppData\Local\Temp\ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe
  "C:\Users\Admin\AppData\Local\Temp\ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3120
- - 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:1420
  - - 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
      Event Triggered Execution: Netsh Helper DLL
      PID:4504
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /51-51
    3⤵
    - Executes dropped EXE
    - Manipulates WinMonFS driver.
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3924
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4548
  - - 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:4120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 620
  2⤵
  - Program crash
  PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
1⤵
PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

Filesize
4.5MB

MD5
e8586ae87e14f054c057db644416b0a9

SHA1
99712749b1bb1788968b5180b11dc277b1c41dfb

SHA256
ffe8ce467ea5506baf48fc6930929e5c0f0d3ec2133fefa25a97a75237a86877

SHA512
57a1abf4d50d83bac4f5da9cb2313875b54598561e920c461bcd9042efea599248d11ca7d5ed5f02bf02c89c29cd44ad5f1b13add2246fc00bd500d1e757454a

Download Submit
memory/1876-2-0x0000000003140000-0x0000000003A66000-memory.dmp

Filesize
9.1MB

Download
memory/1876-3-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1876-4-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1876-5-0x0000000003140000-0x0000000003A66000-memory.dmp

Filesize
9.1MB

Download
memory/1876-1-0x0000000002CF0000-0x0000000003135000-memory.dmp

Filesize
4.3MB

Download
memory/3120-7-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3120-8-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3120-14-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-25-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-22-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-23-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-24-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-16-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-26-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-27-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-28-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-29-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-30-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-31-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-32-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3924-33-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download