glupteba | a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65

Analysis

max time kernel
149s
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
24-12-2024 17:29

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General

Target

JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Size

4.1MB
MD5

22857e924f1a0153faac98c513e3a823
SHA1

01b234b9161ef7d69b34059f73b65b45b1a07a7d
SHA256

a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65
SHA512

3c3342138a967cbf743d042a4dc8d56e110ad2451a7da0c33c7e73e1c5cdd478acc8635912d92480d03bf60a9e3635308e4c0e82e01214f45499ab3a9eb61b92
SSDEEP

98304:nwbZJ20mG4DY+TCNLq6lOAbBcSU0YNFCfSR80szEp9eBGDI2VFzxso5:wlmA+ALbbSSUJP1Rfh97DXFzum

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/4068-2-0x0000000002EC0000-0x0000000003737000-memory.dmp	family_glupteba
behavioral2/memory/4068-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4068-5-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4068-6-0x0000000002EC0000-0x0000000003737000-memory.dmp	family_glupteba
behavioral2/memory/5056-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/5056-15-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4236-33-0x0000000000400000-0x0000000000C91000-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
1476	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4236	csrss.exe
3896	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4512	5056	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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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,-281 = "Central Europe Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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,-842 = "Argentina Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	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,-661 = "Cen. Australia Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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
3868	schtasks.exe
4636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4068	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
4068	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
4236	csrss.exe
4236	csrss.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
4236	csrss.exe
4236	csrss.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe
3896	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4068	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Token: SeImpersonatePrivilege	4068	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
Token: SeSystemEnvironmentPrivilege	4236	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 2316	5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe	92
PID 5056 wrote to memory of 2316	5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe	92
PID 2316 wrote to memory of 1476	2316	cmd.exe	94
PID 2316 wrote to memory of 1476	2316	cmd.exe	94
PID 5056 wrote to memory of 4236	5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe	98
PID 5056 wrote to memory of 4236	5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe	98
PID 5056 wrote to memory of 4236	5056	JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe	98
PID 4236 wrote to memory of 3896	4236	csrss.exe	107
PID 4236 wrote to memory of 3896	4236	csrss.exe	107

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_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65.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:5056
- - 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:2316
  - - 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:1476
- - 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:4236
  - - 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:3868
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4924
  - - 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:3896
  - - 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:4636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 732
    3⤵
    - Program crash
    PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5056 -ip 5056
1⤵
PID:2532

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
22857e924f1a0153faac98c513e3a823

SHA1
01b234b9161ef7d69b34059f73b65b45b1a07a7d

SHA256
a89cf174dcb2daadea7b9f252308040d5277dfa07538f5fd7bdf8834fffb9f65

SHA512
3c3342138a967cbf743d042a4dc8d56e110ad2451a7da0c33c7e73e1c5cdd478acc8635912d92480d03bf60a9e3635308e4c0e82e01214f45499ab3a9eb61b92

Download Submit
memory/4068-2-0x0000000002EC0000-0x0000000003737000-memory.dmp

Filesize
8.5MB

Download
memory/4068-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4068-5-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4068-6-0x0000000002EC0000-0x0000000003737000-memory.dmp

Filesize
8.5MB

Download
memory/4068-1-0x0000000002AC0000-0x0000000002EB7000-memory.dmp

Filesize
4.0MB

Download
memory/4236-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4236-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5056-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5056-15-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5056-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download