0ef0b69b2f8db62bd930c45e2f9d4c8b5a93fb2d00dfb8ce50f803089067c6d6

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 00:20

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General

Target

36fd221d349e9d6a95078be793bc6581_JaffaCakes118.dll
Size

332KB
MD5

36fd221d349e9d6a95078be793bc6581
SHA1

2af2bf7a00dcf5f0303b764b2b5bf3e4002605d4
SHA256

0ef0b69b2f8db62bd930c45e2f9d4c8b5a93fb2d00dfb8ce50f803089067c6d6
SHA512

d145743cec485e3030d6600437e95c226dc9eaddf154b526f03920f073780900019fafdbe3802a72aa29e16e07e4e803d1e913b29a65d33f14cce2b32cdfbc42
SSDEEP

6144:KCD56eJsgw6Fsm9I4eflQPR+DlZcliHr5eHGT:j6eJz99efO5RWr

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\btrklfr = "{4C066A3F-81FB-4A1E-AF96-EECE75CDB812}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C066A3F-81FB-4A1E-AF96-EECE75CDB812}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C066A3F-81FB-4A1E-AF96-EECE75CDB812}\InProcServer32\ = "C:\\Windows\\btrklfr.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C066A3F-81FB-4A1E-AF96-EECE75CDB812}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 4024	1332	rundll32.exe	83
PID 1332 wrote to memory of 4024	1332	rundll32.exe	83
PID 1332 wrote to memory of 4024	1332	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36fd221d349e9d6a95078be793bc6581_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\36fd221d349e9d6a95078be793bc6581_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:4024

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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