glupteba | 72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d

Analysis

max time kernel
150s
max time network
150s
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 02:25

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General

Target

JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Size

4.1MB
MD5

dde479fb04cff61d2411a3db517883c5
SHA1

07e0ac2fac9ec5c0093d639559fe4f6dea06c13d
SHA256

72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d
SHA512

a00d7b5a5edd85319a330b7c3effe10ec735c28debbe3d5b335624b69d6688c2d29e139730021f80088fc067ee58287a0701bc483a65faed3ba66df4f5ed44a5
SSDEEP

98304:ot9l6xrZPTQqd7b/vTdj1VGj1UrNxdbel2mnQxaz6r3geTnXYM:G9AxxTQqZ7hpgj1Uha3Qx06r3geYM

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit

Malware Config

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/3184-2-0x00000000051D0000-0x0000000005A47000-memory.dmp	family_glupteba
behavioral2/memory/3184-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3184-6-0x00000000051D0000-0x0000000005A47000-memory.dmp	family_glupteba
behavioral2/memory/3184-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3184-5-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2044-15-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-21-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-22-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-23-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-24-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-25-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-26-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-27-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-28-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-29-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-30-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-31-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-32-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-33-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba
behavioral2/memory/2776-34-0x0000000000400000-0x0000000003012000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1860	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2776	csrss.exe
216	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.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
49	raw.githubusercontent.com
50	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_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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,-541 = "Myanmar Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	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,-2371 = "Easter Island Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	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"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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,-392 = "Arab Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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,-391 = "Arab Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
5028	schtasks.exe
2240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3184	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
3184	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
2776	csrss.exe
2776	csrss.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
2776	csrss.exe
2776	csrss.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe
216	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Token: SeImpersonatePrivilege	3184	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
Token: SeSystemEnvironmentPrivilege	2776	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 804	2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe	89
PID 2044 wrote to memory of 804	2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe	89
PID 804 wrote to memory of 1860	804	cmd.exe	91
PID 804 wrote to memory of 1860	804	cmd.exe	91
PID 2044 wrote to memory of 2776	2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe	95
PID 2044 wrote to memory of 2776	2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe	95
PID 2044 wrote to memory of 2776	2044	JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe	95
PID 2776 wrote to memory of 216	2776	csrss.exe	106
PID 2776 wrote to memory of 216	2776	csrss.exe	106

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_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d.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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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:804
  - - 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:1860
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - 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:2776
  - - 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:5028
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1004
  - - 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:216
  - - 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:2240

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
4.1MB

MD5
dde479fb04cff61d2411a3db517883c5

SHA1
07e0ac2fac9ec5c0093d639559fe4f6dea06c13d

SHA256
72d5971ac91c459d738c7ce8d2d8650ea4127349f5b9a484ff59dd36a8b9ae4d

SHA512
a00d7b5a5edd85319a330b7c3effe10ec735c28debbe3d5b335624b69d6688c2d29e139730021f80088fc067ee58287a0701bc483a65faed3ba66df4f5ed44a5

Download Submit
memory/2044-8-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2044-15-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-23-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-28-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-34-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-33-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-32-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-31-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-21-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-22-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-30-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-24-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-25-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-26-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-27-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/2776-29-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/3184-5-0x0000000000400000-0x0000000003012000-memory.dmp

Filesize
44.1MB

Download
memory/3184-1-0x0000000003540000-0x000000000392F000-memory.dmp

Filesize
3.9MB

Download
memory/3184-2-0x00000000051D0000-0x0000000005A47000-memory.dmp

Filesize
8.5MB

Download
memory/3184-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3184-6-0x00000000051D0000-0x0000000005A47000-memory.dmp

Filesize
8.5MB

Download
memory/3184-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download