cb51a7affa8b5a8880d4b4c89f3f0095d0c51e031cda9136b287f471dca1b49e

Analysis

max time kernel
134s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 00:01

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General

Target

764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.dll
Size

435KB
MD5

764ac8f5297640e5468989ac6b7c4b6a
SHA1

4b96ea900c2c1bd16b3fdd846eb469985c051fd9
SHA256

cb51a7affa8b5a8880d4b4c89f3f0095d0c51e031cda9136b287f471dca1b49e
SHA512

f01ca5ca1518c3b640716abc09930850f9c1fd82d6c6a066c04eccc4cddc0548fb339598b6dda5b216332e56ecfc401558d862d1cb25d5cd5f5d67adc8e1ed79
SSDEEP

12288:aNOTOhyGDZMVwVqTqYwu7iiFQnUiHT8Q9:+2aDZM/2YH7XJiHI+

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.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	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID\ = "764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.Java (TM)	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.Java (TM)\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.Java (TM)\Clsid\ = "{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.Java (TM)\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 4028	2192	regsvr32.exe	84
PID 2192 wrote to memory of 4028	2192	regsvr32.exe	84
PID 2192 wrote to memory of 4028	2192	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\764ac8f5297640e5468989ac6b7c4b6a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

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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