glupteba | 76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108

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
22-12-2024 12:00

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General

Target

JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
Size

4.3MB
MD5

f8711c81d705c585c0c674da917581f8
SHA1

c9518243186b0b1c7d52e04b503dd4e4dbdd1f31
SHA256

76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108
SHA512

a7f03027d6f2065c67330a432fa9b2dfe9f3a4185ec6402d4b45137face7331a1f822a7db1f7aec7355e35035a163a08699cb3a2def7e62b3337f754bd5bbad0
SSDEEP

98304:UGRgrJHyWE9cC/F0PgDTpQO4Fxk8ZapqVArjsLIXnGj5d:UGAJSWE9T0gf8xk8IuArjsLIXyf

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 21 IoCs

resource	yara_rule
behavioral2/memory/980-2-0x0000000004A70000-0x0000000005312000-memory.dmp	family_glupteba
behavioral2/memory/980-3-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/980-5-0x0000000004A70000-0x0000000005312000-memory.dmp	family_glupteba
behavioral2/memory/980-6-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/980-4-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/2388-9-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/2388-10-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/2388-15-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-17-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-23-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-24-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-25-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-26-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-27-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-28-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-29-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-30-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-31-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-32-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-33-0x0000000000400000-0x00000000027A8000-memory.dmp	family_glupteba
behavioral2/memory/4140-34-0x0000000000400000-0x00000000027A8000-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
1892	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4140	csrss.exe
3948	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FallingVoice = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.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
55	raw.githubusercontent.com
54	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_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.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
3464	2388	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_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.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,-92 = "Pacific SA 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	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,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian 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,-2942 = "Sao Tome Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	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,-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,-91 = "Pacific SA Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 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,-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,-1871 = "Russia TZ 7 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
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\TrustedPeople\CTLs	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,-2431 = "Cuba Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	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,-1022 = "Bangladesh Standard Time"	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,-1471 = "Magadan Daylight 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,-2771 = "Omsk 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
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,-441 = "Arabian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	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,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard 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
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,-2751 = "Tomsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard 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,-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,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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,-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,-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,-981 = "Kamchatka Daylight Time"	csrss.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,-791 = "SA Western Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	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,-571 = "China Daylight 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard 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
3848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
980	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
980	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
4140	csrss.exe
4140	csrss.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe
3948	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
Token: SeImpersonatePrivilege	980	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
Token: SeSystemEnvironmentPrivilege	4140	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2184	2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe	88
PID 2388 wrote to memory of 2184	2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe	88
PID 2184 wrote to memory of 1892	2184	cmd.exe	90
PID 2184 wrote to memory of 1892	2184	cmd.exe	90
PID 2388 wrote to memory of 4140	2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe	93
PID 2388 wrote to memory of 4140	2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe	93
PID 2388 wrote to memory of 4140	2388	JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe	93
PID 4140 wrote to memory of 3948	4140	csrss.exe	111
PID 4140 wrote to memory of 3948	4140	csrss.exe	111

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:980
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108.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:2388
- - 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:2184
  - - 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:1892
- - 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:4140
  - - 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:3848
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2688
  - - 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:3948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 912
    3⤵
    - Program crash
    PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2388 -ip 2388
1⤵
PID:3932

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
f8711c81d705c585c0c674da917581f8

SHA1
c9518243186b0b1c7d52e04b503dd4e4dbdd1f31

SHA256
76abb9235613a8c729b2271581589504f9659b377d749ec6e6f015d3c6424108

SHA512
a7f03027d6f2065c67330a432fa9b2dfe9f3a4185ec6402d4b45137face7331a1f822a7db1f7aec7355e35035a163a08699cb3a2def7e62b3337f754bd5bbad0

Download Submit
memory/980-2-0x0000000004A70000-0x0000000005312000-memory.dmp

Filesize
8.6MB

Download
memory/980-3-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/980-5-0x0000000004A70000-0x0000000005312000-memory.dmp

Filesize
8.6MB

Download
memory/980-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/980-4-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/980-1-0x0000000004650000-0x0000000004A69000-memory.dmp

Filesize
4.1MB

Download
memory/2388-8-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/2388-9-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/2388-15-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/2388-10-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-27-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-23-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-24-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-25-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-26-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-17-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-28-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-29-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-30-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-31-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-32-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-33-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download
memory/4140-34-0x0000000000400000-0x00000000027A8000-memory.dmp

Filesize
35.7MB

Download