aa11215afcb55b957e47d2e94a6406e8fddd807705a0ead7224045a03ad087f2

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 09:42

Target

1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
Size

201KB
MD5

1acf4fab6a19ed00693b72441af30a7f
SHA1

68e32d51a141bc7fc814142d68c529417e96216d
SHA256

aa11215afcb55b957e47d2e94a6406e8fddd807705a0ead7224045a03ad087f2
SHA512

8848b415df5d3ddf1bc0892ea1c3c0e7e2b0f62c9eba284122bf191ddc324ba04fb9bd6abdd35e22b2d691ae35b074f0dd735831c1bfb63d08c828607b5df494
SSDEEP

6144:8v4WFBJr17msqV7oaSIQicKOEak5JinAGiMZKamneI:8v4WFBCsENPQdKX4AFM4amx

Score

7^/10

upx

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral1/memory/1992-0-0x00000000001C0000-0x0000000000247000-memory.dmp	upx

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28
PID 1688 wrote to memory of 1992	1688	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
  2⤵
  - Modifies registry class
  PID:1992

memory/1992-0-0x00000000001C0000-0x0000000000247000-memory.dmp

Filesize
540KB

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