glupteba | b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6

Analysis

max time kernel
149s
max time network
154s
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 21:46

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General

Target

JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Size

4.0MB
MD5

b4e95670bba2ab667579d92190949a82
SHA1

ccd71869812bb9ab528b126c32ada86cd96a4cb4
SHA256

b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6
SHA512

a96d409b81874365471b89396910ad84b8f302b40432b4db42c6e0cd1ea9893d33f249fb1a24fb98f2ab8d7efc4b49020030180050ac658e45157eba300c727f
SSDEEP

98304:+czCCUtEAjHxWfw0MgkjDphiXoBmUXSH8dBFO/omX01PnqA8OLY:Fz2BjVgceXotSHCQ/LinpHLY

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 19 IoCs

resource	yara_rule
behavioral2/memory/220-2-0x00000000050B0000-0x0000000005927000-memory.dmp	family_glupteba
behavioral2/memory/220-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/220-6-0x00000000050B0000-0x0000000005927000-memory.dmp	family_glupteba
behavioral2/memory/220-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/220-5-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/2756-15-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-21-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-22-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-23-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-24-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-25-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-26-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-27-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-28-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-29-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-30-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-31-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-32-0x0000000000400000-0x0000000002FFA000-memory.dmp	family_glupteba
behavioral2/memory/3772-33-0x0000000000400000-0x0000000002FFA000-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
4728	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3772	csrss.exe
1220	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
53	raw.githubusercontent.com
54	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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2372	2756	WerFault.exe	87

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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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,-252 = "Dateline Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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,-441 = "Arabian Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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,-222 = "Alaskan Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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,-2392 = "Aleutian Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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
4876	schtasks.exe
812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
220	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
220	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
3772	csrss.exe
3772	csrss.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
3772	csrss.exe
3772	csrss.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe
1220	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Token: SeImpersonatePrivilege	220	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
Token: SeSystemEnvironmentPrivilege	3772	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 464	2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe	88
PID 2756 wrote to memory of 464	2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe	88
PID 464 wrote to memory of 4728	464	cmd.exe	90
PID 464 wrote to memory of 4728	464	cmd.exe	90
PID 2756 wrote to memory of 3772	2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe	91
PID 2756 wrote to memory of 3772	2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe	91
PID 2756 wrote to memory of 3772	2756	JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe	91
PID 3772 wrote to memory of 1220	3772	csrss.exe	109
PID 3772 wrote to memory of 1220	3772	csrss.exe	109

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_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6.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:2756
- - 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:464
  - - 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:4728
- - 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:3772
  - - 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:4876
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3672
  - - 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:1220
  - - 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:812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 736
    3⤵
    - Program crash
    PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2756 -ip 2756
1⤵
PID:2596

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
4.0MB

MD5
b4e95670bba2ab667579d92190949a82

SHA1
ccd71869812bb9ab528b126c32ada86cd96a4cb4

SHA256
b69fa2fd9b6908adcc46bdebdafa3084b67ee1de0474730387d3cfa1a70117a6

SHA512
a96d409b81874365471b89396910ad84b8f302b40432b4db42c6e0cd1ea9893d33f249fb1a24fb98f2ab8d7efc4b49020030180050ac658e45157eba300c727f

Download Submit
memory/220-1-0x0000000003410000-0x0000000003806000-memory.dmp

Filesize
4.0MB

Download
memory/220-2-0x00000000050B0000-0x0000000005927000-memory.dmp

Filesize
8.5MB

Download
memory/220-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/220-6-0x00000000050B0000-0x0000000005927000-memory.dmp

Filesize
8.5MB

Download
memory/220-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/220-5-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/2756-8-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/2756-15-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-21-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-22-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-23-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-24-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-25-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-26-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-27-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-28-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-29-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-30-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-31-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-32-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download
memory/3772-33-0x0000000000400000-0x0000000002FFA000-memory.dmp

Filesize
44.0MB

Download