4681b707ecf4c49ce371b95c9d94ad9b86708854b69aea95de33bd48dc77ff1c

Analysis

max time kernel
136s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 18:18

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General

Target

a7b5ed22abc4532da9be05f047530f6c_JaffaCakes118.dll
Size

224KB
MD5

a7b5ed22abc4532da9be05f047530f6c
SHA1

ca4756d784dce643cbc72612d1bb96679c5b4825
SHA256

4681b707ecf4c49ce371b95c9d94ad9b86708854b69aea95de33bd48dc77ff1c
SHA512

e0e8e215e765f92a95d3a47b859cd1c868437be729f12e9c8bdd89fc5a9f10e2ab67a8caee4f4fb20ece3fea8a380927e1fb504aa0df4e3a2ecfae5669a9eb3a
SSDEEP

3072:m6l/c+/0qQoW8pvfJIYJ6sxCX6EIWQZ6j/IbSpsHGaspBztHV5lnU:1k+CqpHKexp7Ze/IiXBG

Score

10^/10

discovery 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\bfrgnos = "{B4BAB4A8-BB9F-459A-A952-C876F5F0145F}"	rundll32.exe

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\{B4BAB4A8-BB9F-459A-A952-C876F5F0145F}\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\{B4BAB4A8-BB9F-459A-A952-C876F5F0145F}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B4BAB4A8-BB9F-459A-A952-C876F5F0145F}\InProcServer32\ = "C:\\Windows\\bfrgnos.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4372	3308	rundll32.exe	91
PID 3308 wrote to memory of 4372	3308	rundll32.exe	91
PID 3308 wrote to memory of 4372	3308	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7b5ed22abc4532da9be05f047530f6c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7b5ed22abc4532da9be05f047530f6c_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4056,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8
1⤵
PID:4120

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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