glupteba | a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a

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
30/12/2024, 06:33

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General

Target

JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
Size

4.2MB
MD5

7d94f4802edf05129daeaecb15007082
SHA1

f381ca4adde6327a6ab85944c6f02c9591e832b0
SHA256

a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a
SHA512

3c1cdd35453c7dbdf7c272480b26892d7d7be3e73cc32cbd6195aabf0db1d321056aca1c294414c0926e82b15e21a60ab58d49241431cd6a8e3aa35383f205d3
SSDEEP

98304:hg3oX5nGox+ug/+DaFvzDZz6qY2GMcIsgEPYpIOdt2Nz:J1+b/0aFrDZ+VIiPCIeA

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/3304-1-0x0000000003410000-0x0000000003CB2000-memory.dmp	family_glupteba
behavioral2/memory/3304-2-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3304-3-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/3304-5-0x0000000003410000-0x0000000003CB2000-memory.dmp	family_glupteba
behavioral2/memory/4836-7-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/4836-13-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-14-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-20-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-21-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-22-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-23-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-24-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-25-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-26-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-27-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-28-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-29-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-30-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-31-0x0000000000400000-0x0000000000CBD000-memory.dmp	family_glupteba
behavioral2/memory/864-32-0x0000000000400000-0x0000000000CBD000-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
2400	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
864	csrss.exe
1376	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RedForest = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.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_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.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

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_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.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,-592 = "Malay Peninsula 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,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	csrss.exe
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
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,-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,-1931 = "Russia TZ 11 Daylight Time"	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,-442 = "Arabian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	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,-1842 = "Russia TZ 4 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight 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,-241 = "Samoa Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	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,-2182 = "Astrakhan Standard Time"	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,-891 = "Morocco Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight 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,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	csrss.exe
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,-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,-2842 = "Saratov 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
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,-271 = "Greenwich Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard 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,-932 = "Coordinated Universal 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,-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,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	csrss.exe
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,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT 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
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,-2941 = "Sao Tome Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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,-2872 = "Magallanes 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,-2632 = "Norfolk Standard 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

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
2272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3304	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
3304	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
864	csrss.exe
864	csrss.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe
1376	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
Token: SeImpersonatePrivilege	3304	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
Token: SeSystemEnvironmentPrivilege	864	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 4844	4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe	87
PID 4836 wrote to memory of 4844	4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe	87
PID 4844 wrote to memory of 2400	4844	cmd.exe	89
PID 4844 wrote to memory of 2400	4844	cmd.exe	89
PID 4836 wrote to memory of 864	4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe	90
PID 4836 wrote to memory of 864	4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe	90
PID 4836 wrote to memory of 864	4836	JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe	90
PID 864 wrote to memory of 1376	864	csrss.exe	103
PID 864 wrote to memory of 1376	864	csrss.exe	103

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_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a.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:4836
- - 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:4844
  - - 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:2400
- - 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:864
  - - 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:2272
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1088
  - - 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:1376

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

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
4.2MB

MD5
7d94f4802edf05129daeaecb15007082

SHA1
f381ca4adde6327a6ab85944c6f02c9591e832b0

SHA256
a5b4263a0894ff35f6456d9e1fb84083edc72fabb0142217a6fa0034e7aaef6a

SHA512
3c1cdd35453c7dbdf7c272480b26892d7d7be3e73cc32cbd6195aabf0db1d321056aca1c294414c0926e82b15e21a60ab58d49241431cd6a8e3aa35383f205d3

Download Submit
memory/864-26-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-22-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-32-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-31-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-30-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-29-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-20-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-24-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-21-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-28-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-27-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-14-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-25-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/864-23-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3304-2-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/3304-0-0x0000000003000000-0x000000000340F000-memory.dmp

Filesize
4.1MB

Download
memory/3304-4-0x0000000003000000-0x000000000340F000-memory.dmp

Filesize
4.1MB

Download
memory/3304-1-0x0000000003410000-0x0000000003CB2000-memory.dmp

Filesize
8.6MB

Download
memory/3304-5-0x0000000003410000-0x0000000003CB2000-memory.dmp

Filesize
8.6MB

Download
memory/3304-3-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/4836-13-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/4836-7-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download
memory/4836-6-0x0000000000400000-0x0000000000CBD000-memory.dmp

Filesize
8.7MB

Download