glupteba | b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747

Analysis

max time kernel
149s
max time network
140s
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 21:21

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General

Target

JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Size

4.4MB
MD5

88d64d9acd521d23edd61c6e257ba751
SHA1

46e61f2dba61dd72bcbc7371353f32881955f2f6
SHA256

b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747
SHA512

da75054207ab4b5fc3375e9d048988461af22080f02e2ba7997a8429416076e54b7669341271b3556b46828e508d4eae26a4092882c5a5c57116690dd4acdfa0
SSDEEP

98304:vaXdnZTVwM6nVS1A6PEFlQW9zfazZms/wT7ZSpKurahrKTxPHs:vQZZ16nsG6WQWNfUmB/ZSpKIahrKT6

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/1488-2-0x0000000003960000-0x000000000427E000-memory.dmp	family_glupteba
behavioral2/memory/1488-3-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1488-5-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/1488-6-0x0000000003960000-0x000000000427E000-memory.dmp	family_glupteba
behavioral2/memory/1488-7-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1812-12-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-15-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-21-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-22-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-23-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-24-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-25-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-26-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-27-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-28-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-29-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-30-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-31-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-32-0x0000000000400000-0x0000000002FBB000-memory.dmp	family_glupteba
behavioral2/memory/5064-33-0x0000000000400000-0x0000000002FBB000-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
1520	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
5064	csrss.exe
3064	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LingeringWaterfall = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2268	1488	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	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

GoLang User-Agent 6 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	30	Go-http-client/1.1
HTTP User-Agent header	31	Go-http-client/1.1
HTTP User-Agent header	32	Go-http-client/1.1
HTTP User-Agent header	36	Go-http-client/1.1
HTTP User-Agent header	38	Go-http-client/1.1
HTTP User-Agent header	18	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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,-342 = "Egypt 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
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,-2891 = "Sudan Daylight 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
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,-1411 = "Syria Daylight Time"	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,-81 = "Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight 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,-601 = "Taipei Daylight 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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,-352 = "FLE 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\SmartCardRoot\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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,-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,-2892 = "Sudan 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,-371 = "Jerusalem Daylight Time"	csrss.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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,-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,-542 = "Myanmar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific 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,-142 = "Canada Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight 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,-384 = "Namibia Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight 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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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
4828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1488	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1488	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
5064	csrss.exe
5064	csrss.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe
3064	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Token: SeImpersonatePrivilege	1488	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Token: SeSystemEnvironmentPrivilege	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
Token: SeSystemEnvironmentPrivilege	5064	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 4880	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe	90
PID 1812 wrote to memory of 4880	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe	90
PID 4880 wrote to memory of 1520	4880	cmd.exe	92
PID 4880 wrote to memory of 1520	4880	cmd.exe	92
PID 1812 wrote to memory of 5064	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe	93
PID 1812 wrote to memory of 5064	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe	93
PID 1812 wrote to memory of 5064	1812	JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe	93
PID 5064 wrote to memory of 3064	5064	csrss.exe	98
PID 5064 wrote to memory of 3064	5064	csrss.exe	98

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_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747.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:1812
- - 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:4880
  - - 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:1520
- - 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:5064
  - - 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:4828
  - - 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:3064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 904
  2⤵
  - Program crash
  PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1488 -ip 1488
1⤵
PID:3988

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

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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
4.4MB

MD5
88d64d9acd521d23edd61c6e257ba751

SHA1
46e61f2dba61dd72bcbc7371353f32881955f2f6

SHA256
b7dfad37fc1aa4b95134e4fe91b6ab25f2ca69ab9b1014b3d0531294f2931747

SHA512
da75054207ab4b5fc3375e9d048988461af22080f02e2ba7997a8429416076e54b7669341271b3556b46828e508d4eae26a4092882c5a5c57116690dd4acdfa0

Download Submit
memory/1488-2-0x0000000003960000-0x000000000427E000-memory.dmp

Filesize
9.1MB

Download
memory/1488-3-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1488-5-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/1488-6-0x0000000003960000-0x000000000427E000-memory.dmp

Filesize
9.1MB

Download
memory/1488-7-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1488-1-0x0000000003510000-0x000000000395A000-memory.dmp

Filesize
4.3MB

Download
memory/1812-8-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/1812-12-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-22-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-27-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-15-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-23-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-24-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

Download
memory/5064-25-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-26-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-21-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-28-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-29-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-30-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-31-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-32-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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memory/5064-33-0x0000000000400000-0x0000000002FBB000-memory.dmp

Filesize
43.7MB

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