glupteba | ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922

Resubmissions

29-12-2024 10:40

241229-mqh9cazkcl 10

29-12-2024 10:38

241229-mpdx8szjhv 10

29-12-2024 10:30

241229-mj7clazjby 10

Analysis

max time kernel
149s
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
29-12-2024 10:30

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General

Target

JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
Size

4.3MB
MD5

71764073829948a73119df77b838aedf
SHA1

183b06ae12fdd16b8d55d0ff3c4a7ec5ca38b8c7
SHA256

ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922
SHA512

ae5771d5b319a8dcf0474bb3dd85980a9d2be70a457387beefe8e0ffcce2e72897ca6d05cb04c76c146c2fd8a17f968784b84f1ab757cb22eed532de4270a413
SSDEEP

98304:lDyY1NZje9mVIpXNsJPhkR3DmSyF0ZDUIS4LGOfPh3AlTYIoyX:l11X+mVENsHK1tZDZGOh3PQ

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 16 IoCs

resource	yara_rule
behavioral2/memory/2512-2-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/2996-10-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-13-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-19-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-20-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-21-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-22-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-23-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-24-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-25-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-26-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-27-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-28-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-29-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-30-0x0000000000400000-0x0000000002F4E000-memory.dmp	family_glupteba
behavioral2/memory/1640-31-0x0000000000400000-0x0000000002F4E000-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
4404	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1640	csrss.exe
748	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WispyTree = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.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_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.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
1224	2996	WerFault.exe	87

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_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.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,-335 = "Jordan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands 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,-2631 = "Norfolk 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,-1041 = "Ulaanbaatar Daylight 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,-1872 = "Russia TZ 7 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan 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,-981 = "Kamchatka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 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,-3052 = "Qyzylorda Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline 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,-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,-722 = "Central Pacific 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,-2412 = "Marquesas Standard 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,-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,-501 = "Nepal Daylight 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,-2592 = "Tocantins 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,-572 = "China Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard 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,-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,-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,-352 = "FLE Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	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,-51 = "Greenland Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde 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,-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,-2942 = "Sao Tome Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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
3932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2512	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2512	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
1640	csrss.exe
1640	csrss.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe
748	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
Token: SeImpersonatePrivilege	2512	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
Token: SeSystemEnvironmentPrivilege	1640	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 5004	2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe	88
PID 2996 wrote to memory of 5004	2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe	88
PID 5004 wrote to memory of 4404	5004	cmd.exe	90
PID 5004 wrote to memory of 4404	5004	cmd.exe	90
PID 2996 wrote to memory of 1640	2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe	91
PID 2996 wrote to memory of 1640	2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe	91
PID 2996 wrote to memory of 1640	2996	JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe	91
PID 1640 wrote to memory of 748	1640	csrss.exe	108
PID 1640 wrote to memory of 748	1640	csrss.exe	108

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_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922.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:2996
- - 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:5004
  - - 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:4404
- - 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:1640
  - - 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:3932
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3388
  - - 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:748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 816
    3⤵
    - Program crash
    PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2996 -ip 2996
1⤵
PID:2780

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
71764073829948a73119df77b838aedf

SHA1
183b06ae12fdd16b8d55d0ff3c4a7ec5ca38b8c7

SHA256
ffe0dbff8ff3d6419d01155694600177a7c2d86344b0240e8df6dad620600922

SHA512
ae5771d5b319a8dcf0474bb3dd85980a9d2be70a457387beefe8e0ffcce2e72897ca6d05cb04c76c146c2fd8a17f968784b84f1ab757cb22eed532de4270a413

Download Submit
memory/1640-25-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-21-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-31-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-30-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-29-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-13-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-28-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-19-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-20-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-27-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-22-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-23-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-24-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/1640-26-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/2512-1-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download
memory/2512-3-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download
memory/2512-2-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/2996-5-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download
memory/2996-10-0x0000000000400000-0x0000000002F4E000-memory.dmp

Filesize
43.3MB

Download
memory/2996-11-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download