glupteba | 2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed

Analysis

max time kernel
149s
max time network
149s
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, 11:52

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General

Target

JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
Size

4.3MB
MD5

dbec55df86c2279a5de2407c5045ed41
SHA1

a04db54bed1a12ce1e05aa07991533c52615ee1f
SHA256

2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed
SHA512

4a8c78af2f1281cf43b07a47e8504d0e6335628224280c1aab4c04c052eedf005322c47d44225d0c127616614ea45251ce082c4b9d967dbf711a291f771c25b3
SSDEEP

98304:4BM3XAcBDTp6zGhsn6sdixDL/SebHOtsGAzOM09i4:4sQWAzf6KixDLq6Ots/yH

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/744-2-0x0000000005270000-0x0000000005B12000-memory.dmp	family_glupteba
behavioral2/memory/744-3-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/744-5-0x0000000005270000-0x0000000005B12000-memory.dmp	family_glupteba
behavioral2/memory/744-6-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/744-4-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/1544-12-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-14-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-20-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-21-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-22-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-23-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-24-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-25-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-26-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-27-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-28-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-29-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-30-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-31-0x0000000000400000-0x0000000002F41000-memory.dmp	family_glupteba
behavioral2/memory/4516-32-0x0000000000400000-0x0000000002F41000-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
1692	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4516	csrss.exe
1668	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\LittleSurf = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.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
51	raw.githubusercontent.com
52	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_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.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
1324	1544	WerFault.exe	88

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_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.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,-2181 = "Astrakhan Daylight Time"	csrss.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,-2871 = "Magallanes 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,-2321 = "Sakhalin 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,-251 = "Dateline 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
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
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,-392 = "Arab Standard 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,-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,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	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,-52 = "Greenland Standard 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,-441 = "Arabian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard 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,-162 = "Central Standard 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,-572 = "China Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance 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,-2162 = "Altai 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,-271 = "Greenwich 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\CA\CRLs	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,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.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,-2512 = "Lord Howe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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,-342 = "Egypt 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius 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
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,-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,-631 = "Tokyo Daylight Time"	csrss.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
744	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
744	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
4516	csrss.exe
4516	csrss.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe
1668	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
Token: SeImpersonatePrivilege	744	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
Token: SeSystemEnvironmentPrivilege	4516	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2636	1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe	91
PID 1544 wrote to memory of 2636	1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe	91
PID 2636 wrote to memory of 1692	2636	cmd.exe	93
PID 2636 wrote to memory of 1692	2636	cmd.exe	93
PID 1544 wrote to memory of 4516	1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe	97
PID 1544 wrote to memory of 4516	1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe	97
PID 1544 wrote to memory of 4516	1544	JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe	97
PID 4516 wrote to memory of 1668	4516	csrss.exe	110
PID 4516 wrote to memory of 1668	4516	csrss.exe	110

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_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed.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:1544
- - 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:2636
  - - 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:1692
- - 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:4516
  - - 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:2672
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3424
  - - 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:1668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 836
    3⤵
    - Program crash
    PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1544 -ip 1544
1⤵
PID:4888

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
dbec55df86c2279a5de2407c5045ed41

SHA1
a04db54bed1a12ce1e05aa07991533c52615ee1f

SHA256
2e70cd3a152ae851149950948e1c8b5eaee09c945289456b3420f7a44fc113ed

SHA512
4a8c78af2f1281cf43b07a47e8504d0e6335628224280c1aab4c04c052eedf005322c47d44225d0c127616614ea45251ce082c4b9d967dbf711a291f771c25b3

Download Submit
memory/744-2-0x0000000005270000-0x0000000005B12000-memory.dmp

Filesize
8.6MB

Download
memory/744-3-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/744-5-0x0000000005270000-0x0000000005B12000-memory.dmp

Filesize
8.6MB

Download
memory/744-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/744-4-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/744-1-0x0000000004E50000-0x0000000005268000-memory.dmp

Filesize
4.1MB

Download
memory/1544-12-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-20-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-26-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-21-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-22-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-23-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-24-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-25-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-14-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-27-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-28-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-29-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-30-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-31-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download
memory/4516-32-0x0000000000400000-0x0000000002F41000-memory.dmp

Filesize
43.3MB

Download