073c2866f9495a3ae8edb03e25acac783faf86e5953679fef3cf46708a0e139d

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 01:31

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General

Target

eed0ffd9b9cda03fec99477db1c86c5b_JaffaCakes118.dll
Size

4.9MB
MD5

eed0ffd9b9cda03fec99477db1c86c5b
SHA1

64b411590a05a21cd24caf2205c6a9f80051948f
SHA256

073c2866f9495a3ae8edb03e25acac783faf86e5953679fef3cf46708a0e139d
SHA512

7352ea4c9c3ada7e24fb0df8d893fba038307864c0f49a74ad14dce56f5c08193d89109bd2aafd5393e088863148189bb024071ebe7d764c6376e72fa29b76f7
SSDEEP

6144:IS44io4Ukuqb0WFGtBFgN/1aAgrr8gFpojB:1Qo4UkuqAW04Qrr8gFq

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\WebCheck = "{E6FB5E20-DE35-11CF-9C87-00AA005127ED}"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
3380	rundll32.exe
3380	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\locraarfo.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\locraarfo.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2368	3380	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32\ = "C:\\Windows\\SysWow64\\locraarfo.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 3380	4244	rundll32.exe	82
PID 4244 wrote to memory of 3380	4244	rundll32.exe	82
PID 4244 wrote to memory of 3380	4244	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eed0ffd9b9cda03fec99477db1c86c5b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eed0ffd9b9cda03fec99477db1c86c5b_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 932
    3⤵
    - Program crash
    PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3380 -ip 3380
1⤵
PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\locraarfo.dll

Filesize
6.5MB

MD5
4e74e994b5cb6685f4aaa5a2e252681e

SHA1
70a7a582eb10282fab5c295ddd948d080591d056

SHA256
a770fdc6d0931404235cab82b80ee6158d122ac124f902ae986a1d3eae60c172

SHA512
fa17ccb66f0971d770aff4ba15b212886b4decca2485b606a446b4c1f301be7f66331bcd756bcef4d9c6ff18a06bd592771dfe03bde934553333e7ca6c9cea27

Download Submit
memory/3380-0-0x0000000000920000-0x000000000095B000-memory.dmp

Filesize
236KB

Download
memory/3380-3-0x0000000002090000-0x00000000020E5000-memory.dmp

Filesize
340KB

Download
memory/3380-8-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/3380-22-0x0000000002570000-0x00000000025AB000-memory.dmp

Filesize
236KB

Download
memory/3380-26-0x00000000026B0000-0x0000000002705000-memory.dmp

Filesize
340KB

Download
memory/3380-32-0x0000000000490000-0x0000000000498000-memory.dmp

Filesize
32KB

Download
memory/3380-39-0x0000000000920000-0x000000000095B000-memory.dmp

Filesize
236KB

Download
memory/3380-40-0x0000000002570000-0x00000000025AB000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads