glupteba | 6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f

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
24-12-2024 19:06

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General

Target

JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
Size

4.3MB
MD5

0460db3325c17053861ffb4326b3b0ca
SHA1

9c66f5e757ef77db0184a3829d1375d0dea1bb31
SHA256

6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f
SHA512

b30eb0d6b3d6c9e39f3f8a2abd759c6e9f898f335fef4e0ac118078962495b084d2c2fe5f831910dcbc2f2e36e9eee9b0fd7eebb47dbb33d7917c075b13564ef
SSDEEP

98304:eIRGBSIooV1ud1VWZrd4nGwRECESdc1cHq2HaLaeNuC1wllwcpaWlJC:eIRGw/61aWpdoROSiSDad0wAa

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/3728-2-0x0000000005180000-0x0000000005A22000-memory.dmp	family_glupteba
behavioral2/memory/3728-3-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3728-5-0x0000000005180000-0x0000000005A22000-memory.dmp	family_glupteba
behavioral2/memory/3728-6-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3728-4-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/2448-14-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-16-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-22-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-23-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-24-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-25-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-26-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-27-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-28-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-29-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-30-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-31-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-32-0x0000000000400000-0x0000000002F47000-memory.dmp	family_glupteba
behavioral2/memory/3616-33-0x0000000000400000-0x0000000002F47000-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
3136	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3616	csrss.exe
4140	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DawnGrass = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.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
54	raw.githubusercontent.com
55	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_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.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_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.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,-362 = "GTB Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	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,-401 = "Arabic Daylight 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\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes 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
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,-2531 = "Chatham Islands 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,-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,-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,-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,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	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,-72 = "Newfoundland 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,-151 = "Central America Daylight 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-452 = "Caucasus Standard 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,-121 = "SA Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe 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,-52 = "Greenland Standard 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
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,-2891 = "Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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,-742 = "New Zealand Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	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,-81 = "Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	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,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern 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,-692 = "Tasmania 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,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius 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

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
3444	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3728	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
3728	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
3616	csrss.exe
3616	csrss.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe
4140	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
Token: SeImpersonatePrivilege	3728	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
Token: SeSystemEnvironmentPrivilege	3616	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 3204	2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe	95
PID 2448 wrote to memory of 3204	2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe	95
PID 3204 wrote to memory of 3136	3204	cmd.exe	97
PID 3204 wrote to memory of 3136	3204	cmd.exe	97
PID 2448 wrote to memory of 3616	2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe	99
PID 2448 wrote to memory of 3616	2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe	99
PID 2448 wrote to memory of 3616	2448	JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe	99
PID 3616 wrote to memory of 4140	3616	csrss.exe	106
PID 3616 wrote to memory of 4140	3616	csrss.exe	106

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_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f.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:2448
- - 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:3204
  - - 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:3136
- - 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:3616
  - - 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:3444
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1820
  - - 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:4140

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
4.3MB

MD5
0460db3325c17053861ffb4326b3b0ca

SHA1
9c66f5e757ef77db0184a3829d1375d0dea1bb31

SHA256
6a1ce3a356a6f52885afe858e6dd8a3b7c1e8a2309eb406808b030becd22207f

SHA512
b30eb0d6b3d6c9e39f3f8a2abd759c6e9f898f335fef4e0ac118078962495b084d2c2fe5f831910dcbc2f2e36e9eee9b0fd7eebb47dbb33d7917c075b13564ef

Download Submit
memory/2448-8-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/2448-14-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-26-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-24-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-33-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-32-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-31-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-16-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-30-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-22-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-23-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-29-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-25-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-28-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3616-27-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3728-1-0x0000000004D60000-0x000000000517A000-memory.dmp

Filesize
4.1MB

Download
memory/3728-4-0x0000000000400000-0x0000000002F47000-memory.dmp

Filesize
43.3MB

Download
memory/3728-2-0x0000000005180000-0x0000000005A22000-memory.dmp

Filesize
8.6MB

Download
memory/3728-3-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3728-5-0x0000000005180000-0x0000000005A22000-memory.dmp

Filesize
8.6MB

Download
memory/3728-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download