Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
01/04/2024, 22:40
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
7c55e395258e9e69d10502500d443ae0_JaffaCakes118.exe
Resource
win7-20240221-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
7c55e395258e9e69d10502500d443ae0_JaffaCakes118.exe
Resource
win10v2004-20231215-en
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/zkyayjffrdi.dll
Resource
win7-20240221-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/zkyayjffrdi.dll
Resource
win10v2004-20240226-en
2 signatures
150 seconds
General
- Target $PLUGINSDIR/zkyayjffrdi.dll
- Size 31KB
- Sample240401-2lr31shf89
- SHA256 1fdc9ecfa8bddd5c3d7b77913cec4dba53263dac5b8f35cde40e920a58f2deca
- MD5 5850eabb38f5b0d1922054acd9b9f2c2
- SHA1 be60273f8322a4bf9fc6751c7c524a6b03822f50
- SHA512 cbafa1d03004a692851c1d9306e9c08d43d34f36f10d7c084d308e41e7c38a1774bc674ff6a230a5dd905b2dad91703f52c974fed42f0ebae179af05b257f885
- SSDEEP 768:WkJszi/0uyQzByH82eZ/lJlFm12nL7w0Tt:Ezd1QzBU82eZ9U10
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2444 2144 WerFault.exe 86 - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 848 wrote to memory of 2144 848 rundll32.exe 86 PID 848 wrote to memory of 2144 848 rundll32.exe 86 PID 848 wrote to memory of 2144 848 rundll32.exe 86 PID 2144 wrote to memory of 4460 2144 rundll32.exe 89 PID 2144 wrote to memory of 4460 2144 rundll32.exe 89 PID 2144 wrote to memory of 4460 2144 rundll32.exe 89 PID 2144 wrote to memory of 4460 2144 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zkyayjffrdi.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zkyayjffrdi.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zkyayjffrdi.dll,#13⤵PID:4460
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 7563⤵
- Program crash
PID:2444
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2144 -ip 21441⤵PID:4260