glupteba | 0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 13:57

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General

Target

JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Size

4.1MB
MD5

bb640cbec2a75dc064b57799c638adb5
SHA1

fb1aeb71925610e2ea1b1b501d54c576f46c2e22
SHA256

0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d
SHA512

2b2f88a524368c9d664c66ffac15a80bef92e429f6f8c8de939131063e464728a9b5b4579f0d8f7c296bf08ab2ac015dd4876be3d17dc32a0de5aea4899b7552
SSDEEP

98304:7UgJo2iXctzZWmYDoIUYIrpt0P0Sqv+imAUxYhuLKJEY:o2Kc9Z7XfrnA0bJxhuGJn

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/1100-2-0x0000000002D70000-0x00000000035E7000-memory.dmp	family_glupteba
behavioral2/memory/1100-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1100-5-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1100-6-0x0000000002D70000-0x00000000035E7000-memory.dmp	family_glupteba
behavioral2/memory/4352-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4352-15-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2952-34-0x0000000000400000-0x0000000000C91000-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
3156	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2952	csrss.exe
1004	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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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
51	raw.githubusercontent.com
52	raw.githubusercontent.com

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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,-1971 = "Belarus Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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,-2001 = "Cabo Verde Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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,-331 = "E. Europe Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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,-511 = "Central Asia Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.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
4748	schtasks.exe
1620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1100	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
1100	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
2952	csrss.exe
2952	csrss.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
2952	csrss.exe
2952	csrss.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe
1004	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Token: SeImpersonatePrivilege	1100	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
Token: SeSystemEnvironmentPrivilege	2952	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 2596	4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe	88
PID 4352 wrote to memory of 2596	4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe	88
PID 2596 wrote to memory of 3156	2596	cmd.exe	90
PID 2596 wrote to memory of 3156	2596	cmd.exe	90
PID 4352 wrote to memory of 2952	4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe	91
PID 4352 wrote to memory of 2952	4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe	91
PID 4352 wrote to memory of 2952	4352	JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe	91
PID 2952 wrote to memory of 1004	2952	csrss.exe	100
PID 2952 wrote to memory of 1004	2952	csrss.exe	100

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_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d.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:4352
- - 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:2596
  - - 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:3156
- - 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:2952
  - - 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:4748
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1600
  - - 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:1004
  - - 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:1620

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
bb640cbec2a75dc064b57799c638adb5

SHA1
fb1aeb71925610e2ea1b1b501d54c576f46c2e22

SHA256
0165a2e55e147f40f4e7983339ccd73eed61fbe1e0f3addf0c565aea5343410d

SHA512
2b2f88a524368c9d664c66ffac15a80bef92e429f6f8c8de939131063e464728a9b5b4579f0d8f7c296bf08ab2ac015dd4876be3d17dc32a0de5aea4899b7552

Download Submit
memory/1100-2-0x0000000002D70000-0x00000000035E7000-memory.dmp

Filesize
8.5MB

Download
memory/1100-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1100-5-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1100-6-0x0000000002D70000-0x00000000035E7000-memory.dmp

Filesize
8.5MB

Download
memory/1100-1-0x00000000010D0000-0x00000000014C3000-memory.dmp

Filesize
3.9MB

Download
memory/2952-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2952-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4352-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4352-15-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4352-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download