glupteba | fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 22:52

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General

Target

JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
Size

4.2MB
MD5

e04d74fe106ad7d17c72938e0d0dc9b5
SHA1

3000c0e6e3d51714114c9eaf62da7f0e0a6f210f
SHA256

fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34
SHA512

c714eaf4a85e44c8ddc8c00a0b1fcc9548c20b28b50a1bb8a900f761a161763faed7c07ab4b0e02507a330436a3af7ed2c6684ac55c762a9a3f684902fbc55ed
SSDEEP

98304:X87RD2FqXognFoRO3ZiouNFpy/U+P/DK6sTBC4ZBTjZuJGd:XAD2FqXoF6gFOqBCanfd

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 20 IoCs

resource	yara_rule
behavioral2/memory/3876-1-0x00000000033C0000-0x0000000003C62000-memory.dmp	family_glupteba
behavioral2/memory/3876-2-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3876-3-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3876-5-0x00000000033C0000-0x0000000003C62000-memory.dmp	family_glupteba
behavioral2/memory/4424-7-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/4424-13-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-14-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-20-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-21-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-22-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-23-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-24-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-25-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-26-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-27-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-28-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-29-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-30-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-31-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3000-32-0x0000000000400000-0x0000000000CBD000-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
508	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3000	csrss.exe
64	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AncientWaterfall = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
52	raw.githubusercontent.com
53	raw.githubusercontent.com

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	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.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
1436	4424	WerFault.exe	86

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	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
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,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	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,-42 = "E. South America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard 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\Disallowed	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,-652 = "AUS Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	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,-362 = "GTB Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 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\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard 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,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	csrss.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.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
3784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3876	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
3876	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
3000	csrss.exe
3000	csrss.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe
64	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3876	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
Token: SeImpersonatePrivilege	3876	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
Token: SeSystemEnvironmentPrivilege	3000	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 3192	4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe	87
PID 4424 wrote to memory of 3192	4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe	87
PID 3192 wrote to memory of 508	3192	cmd.exe	89
PID 3192 wrote to memory of 508	3192	cmd.exe	89
PID 4424 wrote to memory of 3000	4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe	90
PID 4424 wrote to memory of 3000	4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe	90
PID 4424 wrote to memory of 3000	4424	JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe	90
PID 3000 wrote to memory of 64	3000	csrss.exe	111
PID 3000 wrote to memory of 64	3000	csrss.exe	111

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\JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34.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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4424
- - 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:3192
  - - 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:508
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /301-301
    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:3000
  - - 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:3784
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2380
  - - 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:64
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 624
    3⤵
    - Program crash
    PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4424 -ip 4424
1⤵
PID:4224

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

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

Web Service

T1102

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
4.2MB

MD5
e04d74fe106ad7d17c72938e0d0dc9b5

SHA1
3000c0e6e3d51714114c9eaf62da7f0e0a6f210f

SHA256
fcd07dc5fd8fb790c277f1796b876aae48b0284154f28b8647804c7a85251f34

SHA512
c714eaf4a85e44c8ddc8c00a0b1fcc9548c20b28b50a1bb8a900f761a161763faed7c07ab4b0e02507a330436a3af7ed2c6684ac55c762a9a3f684902fbc55ed

Download Submit
memory/3000-26-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-28-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-20-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-21-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-31-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-30-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-29-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-24-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-14-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-22-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-27-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-32-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-25-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3000-23-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3876-2-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3876-1-0x00000000033C0000-0x0000000003C62000-memory.dmp

Filesize
8.6MB

Download
memory/3876-0-0x0000000002FB0000-0x00000000033BF000-memory.dmp

Filesize
4.1MB

Download
memory/3876-4-0x0000000002FB0000-0x00000000033BF000-memory.dmp

Filesize
4.1MB

Download
memory/3876-3-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3876-5-0x00000000033C0000-0x0000000003C62000-memory.dmp

Filesize
8.6MB

Download
memory/4424-13-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/4424-7-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/4424-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download