glupteba | 5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e

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
28-12-2024 23:12

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General

Target

JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Size

4.4MB
MD5

78954384960dd06ec3f7ba25cee23478
SHA1

db81a4a88ce34c8174b6c070f7642a6a5470d23f
SHA256

5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e
SHA512

4885bcf5da0ee30d82a73273c57ac47005853ae8cb679ff4246c3878f978965ad2f6ea6b77001da084e29028493cd439985daa695406d3fc0da016e21855e42a
SSDEEP

98304:rLxpe8NP8idUm4OwKLJeVFwzDiIAUf9sIfaZvmJk3CNDLj459R:v7N0i2cLJe8zcUlFfaljAE59R

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/2524-2-0x0000000005240000-0x0000000005B5E000-memory.dmp	family_glupteba
behavioral2/memory/2524-3-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/2524-6-0x0000000005240000-0x0000000005B5E000-memory.dmp	family_glupteba
behavioral2/memory/2524-7-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/2524-5-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/4040-11-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-14-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-20-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-21-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-22-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-23-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-24-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-25-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-26-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-27-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-28-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-29-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-30-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-31-0x0000000000400000-0x0000000002F78000-memory.dmp	family_glupteba
behavioral2/memory/832-32-0x0000000000400000-0x0000000002F78000-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
8	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
832	csrss.exe
4636	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RedWater = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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
4916	2524	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_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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	60	Go-http-client/1.1
HTTP User-Agent header	11	Go-http-client/1.1
HTTP User-Agent header	33	Go-http-client/1.1
HTTP User-Agent header	34	Go-http-client/1.1
HTTP User-Agent header	35	Go-http-client/1.1
HTTP User-Agent header	37	Go-http-client/1.1

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,-2891 = "Sudan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	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,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard 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,-131 = "US Eastern Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji 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,-201 = "US Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 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,-752 = "Tonga Standard 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\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco 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
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,-211 = "Pacific Daylight 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,-2161 = "Altai 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,-42 = "E. South America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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\Policies\Microsoft\SystemCertificates\trust\CRLs	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian 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,-2431 = "Cuba 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,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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,-1841 = "Russia TZ 4 Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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,-2432 = "Cuba Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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,-72 = "Newfoundland Standard 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,-1412 = "Syria Standard 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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
4260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2524	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
2524	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
832	csrss.exe
832	csrss.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe
4636	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Token: SeImpersonatePrivilege	2524	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Token: SeSystemEnvironmentPrivilege	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
Token: SeSystemEnvironmentPrivilege	832	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4772	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe	91
PID 4040 wrote to memory of 4772	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe	91
PID 4772 wrote to memory of 8	4772	cmd.exe	93
PID 4772 wrote to memory of 8	4772	cmd.exe	93
PID 4040 wrote to memory of 832	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe	94
PID 4040 wrote to memory of 832	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe	94
PID 4040 wrote to memory of 832	4040	JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe	94
PID 832 wrote to memory of 4636	832	csrss.exe	105
PID 832 wrote to memory of 4636	832	csrss.exe	105

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_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e.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:4040
- - 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:4772
  - - 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:8
- - 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:832
  - - 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:4260
  - - 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:4636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 920
  2⤵
  - Program crash
  PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2524 -ip 2524
1⤵
PID:2084

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

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
4.4MB

MD5
78954384960dd06ec3f7ba25cee23478

SHA1
db81a4a88ce34c8174b6c070f7642a6a5470d23f

SHA256
5b6b07cc5517cc3107f7fa7cb3eb22395e596e0ee8c475994933a7699134bf1e

SHA512
4885bcf5da0ee30d82a73273c57ac47005853ae8cb679ff4246c3878f978965ad2f6ea6b77001da084e29028493cd439985daa695406d3fc0da016e21855e42a

Download Submit
memory/832-25-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-23-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-32-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-31-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-30-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-29-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-14-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-28-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-20-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-21-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-22-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-27-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-24-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/832-26-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2524-1-0x0000000004DF0000-0x000000000523A000-memory.dmp

Filesize
4.3MB

Download
memory/2524-6-0x0000000005240000-0x0000000005B5E000-memory.dmp

Filesize
9.1MB

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memory/2524-2-0x0000000005240000-0x0000000005B5E000-memory.dmp

Filesize
9.1MB

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memory/2524-3-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

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memory/2524-5-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

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memory/2524-7-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

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memory/4040-11-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

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