glupteba | d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 11:48

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General

Target

JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
Size

4.2MB
MD5

54026ba1f510196f6bde344bd017bd8a
SHA1

c14638b99ca31fbc4e5c066c3db2f74d72c0be14
SHA256

d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395
SHA512

115760132299dccce281838e7e2267e1c746b23c451b078bfde4ba21833fc7fd9ee40b9d03b617ba4cc54aa1104eda895b55b8bf8c10fa7301610942ce3c2c40
SSDEEP

98304:6G1TyNxOefM4uhg76t3auwQ483hJNnTNdAEN0M69haaMigrqx7iUbVN:HyxE4uhvt3Pp483reEN09bl7h

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/2256-1-0x0000000005680000-0x0000000005F22000-memory.dmp	family_glupteba
behavioral2/memory/2256-2-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/2256-5-0x0000000005680000-0x0000000005F22000-memory.dmp	family_glupteba
behavioral2/memory/2256-6-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/2256-3-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/1144-11-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-12-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-18-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-19-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-20-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-21-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-22-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-23-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-24-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-25-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-26-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-27-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-28-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-29-0x0000000000400000-0x0000000002F6A000-memory.dmp	family_glupteba
behavioral2/memory/3032-30-0x0000000000400000-0x0000000002F6A000-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
4516	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3032	csrss.exe
1280	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FallingMountain = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.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
49	raw.githubusercontent.com
50	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_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.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

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_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.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,-2572 = "Turks and Caicos 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,-12 = "Azores Standard 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,-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,-1471 = "Magadan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa 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,-341 = "Egypt Daylight 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
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,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.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,-441 = "Arabian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. 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
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,-842 = "Argentina Standard Time"	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,-601 = "Taipei 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\CTLs	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,-961 = "Paraguay Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo 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,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	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,-661 = "Cen. Australia 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,-591 = "Malay Peninsula Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-502 = "Nepal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 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,-201 = "US Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard 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,-1472 = "Magadan 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	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
356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2256	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
2256	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
3032	csrss.exe
3032	csrss.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe
1280	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
Token: SeImpersonatePrivilege	2256	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
Token: SeSystemEnvironmentPrivilege	3032	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 3652	1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe	88
PID 1144 wrote to memory of 3652	1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe	88
PID 3652 wrote to memory of 4516	3652	cmd.exe	90
PID 3652 wrote to memory of 4516	3652	cmd.exe	90
PID 1144 wrote to memory of 3032	1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe	92
PID 1144 wrote to memory of 3032	1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe	92
PID 1144 wrote to memory of 3032	1144	JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe	92
PID 3032 wrote to memory of 1280	3032	csrss.exe	99
PID 3032 wrote to memory of 1280	3032	csrss.exe	99

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_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2256
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395.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:1144
- - 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:3652
  - - 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:4516
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /305-305
    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:3032
  - - 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:356
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1452
  - - 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:1280

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
54026ba1f510196f6bde344bd017bd8a

SHA1
c14638b99ca31fbc4e5c066c3db2f74d72c0be14

SHA256
d4719f78ed1e60268421244f0abcc4706440cac6e6c293b87a9a60db5d337395

SHA512
115760132299dccce281838e7e2267e1c746b23c451b078bfde4ba21833fc7fd9ee40b9d03b617ba4cc54aa1104eda895b55b8bf8c10fa7301610942ce3c2c40

Download Submit
memory/1144-11-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/2256-1-0x0000000005680000-0x0000000005F22000-memory.dmp

Filesize
8.6MB

Download
memory/2256-2-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/2256-4-0x0000000005270000-0x000000000567F000-memory.dmp

Filesize
4.1MB

Download
memory/2256-5-0x0000000005680000-0x0000000005F22000-memory.dmp

Filesize
8.6MB

Download
memory/2256-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/2256-3-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/2256-0-0x0000000005270000-0x000000000567F000-memory.dmp

Filesize
4.1MB

Download
memory/3032-19-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-24-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-12-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-20-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-21-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-22-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-23-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-18-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-25-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-26-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-27-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-28-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-29-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download
memory/3032-30-0x0000000000400000-0x0000000002F6A000-memory.dmp

Filesize
43.4MB

Download