glupteba | c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 19:29

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General

Target

JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Size

4.1MB
MD5

c3bb3413636a2aaaddba133d9dee561d
SHA1

ebe382c31e7131127258265eb99e9159d53d019f
SHA256

c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850
SHA512

ea236e7082293345b274a4487be36961f0cacc45c1981edde76bcef8b86340c220071665816b4bf0e8fc0a35a3713d6760fd283087729df2c1bdae6de5d220e1
SSDEEP

49152:YFXJMcn0RLj8sJFjlLcjSlm77Hzr/ULM/v8R3xjnoS6QK87AFN/OD6MyBXi03bOm:YNnEHrXu7TQLykxjo7PKM/OD6zO1c5R

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/1260-2-0x0000000005250000-0x0000000005AC7000-memory.dmp	family_glupteba
behavioral2/memory/1260-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1260-6-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1260-7-0x0000000005250000-0x0000000005AC7000-memory.dmp	family_glupteba
behavioral2/memory/1260-4-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3172-15-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-21-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-22-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-23-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-24-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-25-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-26-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-27-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-28-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-29-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-30-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-31-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-32-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-33-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/4728-34-0x0000000000400000-0x0000000002FFA000-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
5048	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4728	csrss.exe
3924	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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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
50	raw.githubusercontent.com
51	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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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,-52 = "Greenland Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	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"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	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,-291 = "Central European Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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,-2511 = "Lord Howe Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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,-112 = "Eastern Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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,-461 = "Afghanistan Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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,-1022 = "Bangladesh Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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,-651 = "AUS Central Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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
2132	schtasks.exe
5104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1260	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
1260	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
4728	csrss.exe
4728	csrss.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
4728	csrss.exe
4728	csrss.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe
3924	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Token: SeImpersonatePrivilege	1260	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
Token: SeSystemEnvironmentPrivilege	4728	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 1052	3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe	88
PID 3172 wrote to memory of 1052	3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe	88
PID 1052 wrote to memory of 5048	1052	cmd.exe	90
PID 1052 wrote to memory of 5048	1052	cmd.exe	90
PID 3172 wrote to memory of 4728	3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe	91
PID 3172 wrote to memory of 4728	3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe	91
PID 3172 wrote to memory of 4728	3172	JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe	91
PID 4728 wrote to memory of 3924	4728	csrss.exe	97
PID 4728 wrote to memory of 3924	4728	csrss.exe	97

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_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850.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:3172
- - 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:1052
  - - 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:5048
- - 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:4728
  - - 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:2132
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3388
  - - 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:3924
  - - 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:5104

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
c3bb3413636a2aaaddba133d9dee561d

SHA1
ebe382c31e7131127258265eb99e9159d53d019f

SHA256
c92de7388180d8137b9784ca506b8a876a9a963606bc60d50c5b7a95a0b9c850

SHA512
ea236e7082293345b274a4487be36961f0cacc45c1981edde76bcef8b86340c220071665816b4bf0e8fc0a35a3713d6760fd283087729df2c1bdae6de5d220e1

Download Submit
memory/1260-1-0x00000000036C0000-0x0000000003AAD000-memory.dmp

Filesize
3.9MB

Download
memory/1260-2-0x0000000005250000-0x0000000005AC7000-memory.dmp

Filesize
8.5MB

Download
memory/1260-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1260-6-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1260-7-0x0000000005250000-0x0000000005AC7000-memory.dmp

Filesize
8.5MB

Download
memory/1260-4-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3172-8-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3172-15-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-23-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-28-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-21-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-24-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-25-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-26-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-27-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-22-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-29-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-30-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-31-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-32-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-33-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/4728-34-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download