d2bd23fb7d7cb58e8e3f7b393fcbb0887bd2f7220308a4cbf9ba73f13916f1f8

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 04:15

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General

Target

3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.dll
Size

652KB
MD5

3bf39f7afe38e9637550682aebc2bb2c
SHA1

1103c52a597e2748cd36d9863ff48afc8b64b37c
SHA256

d2bd23fb7d7cb58e8e3f7b393fcbb0887bd2f7220308a4cbf9ba73f13916f1f8
SHA512

7544d060a4543da0dbe6dfd22828bf40e11b6f2213bf74089dfa1ce1c623d11119481cc3d5c15b2ef2629cf46c8ccf47d5cd59c1a7f782fb2f240589d8318a0c
SSDEEP

12288:etv0EYFWSCJZu51oBcvZHR1LL+Z6biLUWJy1BWcQTHCqmoRI1Vws0w5l6oDi:SMEvSwsZBR5+UiLTiE6oRI1VjV6Q

Score

6^/10

adware 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-18F5-7AC4-E276-BC5D413A8CA8}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\ProgID\ = "3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-18F5-7AC4-E276-BC5D413A8CA8}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29
PID 2300 wrote to memory of 2336	2300	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3bf39f7afe38e9637550682aebc2bb2c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2336

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2336-0-0x00000000002B0000-0x0000000000357000-memory.dmp

Filesize
668KB

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