Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2024 19:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe
Resource
win7-20240705-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe
Resource
win10v2004-20240704-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe
-
Size
232KB
-
MD5
2d9edf6559fbbff3b1b7a38bdc1891cb
-
SHA1
56683a15758c6a98908aad18fc2fd903eb614713
-
SHA256
08d4dfb0ed71aee5419e8566e6ff4fd1e214a0b53e04ad72f76cda836225f67e
-
SHA512
da6bb01aebcd52ca2ba4b8063451c2e73bafb726e32e9df0c52dc115f6d42a725dd76855940d4a744b9af76f7d855ede75d7c6b24f9955374b73aca2fc172688
-
SSDEEP
6144:3G3PFKs78g2KyEOaWEqxF6snji81RUinKdNOAi:0Ph+mFs
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yuuibu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1372 yuuibu.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /s" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /n" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /e" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /c" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /l" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /g" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /h" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /m" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /v" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /p" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /o" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /a" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /y" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /d" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /u" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /w" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /j" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /f" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /r" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /x" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /l" 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /q" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /b" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /k" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /t" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /i" yuuibu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuibu = "C:\\Users\\Admin\\yuuibu.exe /z" yuuibu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe 1372 yuuibu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 1372 yuuibu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4640 wrote to memory of 1372 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 85 PID 4640 wrote to memory of 1372 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 85 PID 4640 wrote to memory of 1372 4640 2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2d9edf6559fbbff3b1b7a38bdc1891cb_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Users\Admin\yuuibu.exe"C:\Users\Admin\yuuibu.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1372
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
232KB
MD5e855aa7578da47ccae018aca1a905248
SHA1af6dc465dabda7a1daa81a30846657bd7d9118d1
SHA2560f4ce7ec9c61548b4a76772bf308e3a5e0538ad142398bfeec06cb4b099d2a09
SHA51271f2c0de09e943c79454b7d597b8ef153e0490938c0a5d44c06b874e73a115329e2338835ab0520f515091225d13b7c1c3a765fcc5ca4b4a2eb80ddf1cef53b5