871056e349431e75e52f93f59ddd2f2be72ef9160e2f2b003c6d7d5f66954977

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 04:56

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General

Target

66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Size

28KB
MD5

66399768a391c269be7bcae99df1b4ad
SHA1

56ef77a9a8ff8da0481f9c7b25c52f63cbe9d49e
SHA256

871056e349431e75e52f93f59ddd2f2be72ef9160e2f2b003c6d7d5f66954977
SHA512

f8c4bdf71d0565c4854a051d249f164739882d9f6583ec6481fe29cc140747bea7be0413ea8677b2266d445ac48355a70f749e65626de80f73ea1e279e15aee5
SSDEEP

768:3PJadenAqtYQnaXH96rV2kllriFqR7Atmqfvfj7s6:3PnAClrVLTrEqNAxvXs6

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\explorer.exe"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 13 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Startup = "WLEStartup"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Unlock = "WLEUnlock"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Logon = "WLELogon"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\StopScreenSaver = "WLEStopScreenSaver"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\DllName = "explorer.dll"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Impersonate = "0"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Logoff = "WLELogoff"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Asynchronous = "0"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Lock = "WLELock"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\Shutdown = "WLEShutdown"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\explorer\StartScreenSaver = "WLEStartScreenSaver"	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\explorer.exe	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 4592	3612	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe	84
PID 3612 wrote to memory of 4592	3612	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe	84
PID 3612 wrote to memory of 4592	3612	66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\66399768a391c269be7bcae99df1b4ad_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Windows\SysWOW64\explorer.exe
  C:\Windows\system32\explorer.exe
  2⤵
  - Modifies registry class
  PID:4592