c2eb2e38fa30d47999204440d0f2c2053e7455d0fe7ae8246c1e30b260c70711

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 19:53

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General

Target

dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.dll
Size

565KB
MD5

dcf1b9bb7f463618e75b7e1f66ebf99e
SHA1

e7edff07a9d0a3f6d5e29b8b38c5197523095a7d
SHA256

c2eb2e38fa30d47999204440d0f2c2053e7455d0fe7ae8246c1e30b260c70711
SHA512

c602a317107f328dea5d93b2831f6f48426f0bdf38c9d54db64f8f3d1e84678849ffddc02d4d4c807c77bcc4004d870e9c7dd1d22df5276270b8d1cbc35ae46a
SSDEEP

12288:tyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGFa+bsAVajlSiVBwk:d1fqZCHwIr00taCiHpRa+bsA8joi

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\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}	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\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.xx	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.xx\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.xx\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}\ProgID\ = "dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.xx\Clsid\ = "{CC01FC6C-EB17-2FC5-3E77-D6A8BA9A5FFE}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 5104	4864	regsvr32.exe	83
PID 4864 wrote to memory of 5104	4864	regsvr32.exe	83
PID 4864 wrote to memory of 5104	4864	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dcf1b9bb7f463618e75b7e1f66ebf99e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:5104

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

Windows 7 deprecation

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