49006658fbd254580cee741b4563a4d894e0b5ed0c8d15be998a935735f54231

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
09/07/2024, 21:31

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General

Target

320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.dll
Size

709KB
MD5

320cbe5cdc3170ae105e0434d5048fc7
SHA1

fa8120ff9807ec05013debfeaf2fa6ad030941f2
SHA256

49006658fbd254580cee741b4563a4d894e0b5ed0c8d15be998a935735f54231
SHA512

02116cde982bac33a78b6c1e5fcd8f7f7b9b869ed67f0c57f042b2bdb013e53f306c9329c80edc3d34ed5a7b5f98cb3e66d25344cd386ea1cd1e99451a0a9052
SSDEEP

12288:I7Qu2fTS8P0ZL2Eg8wUVQyFk0Z8XjT5QG95hIVNTdPis1lU:IkueTfK2302oks8fjVITT0aU

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-4CB5-47CD-9B59-8521A4A5C5C8}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.xx\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.xx\Clsid\ = "{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.xx\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.xx	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\ProgID\ = "320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4CB5-47CD-9B59-8521A4A5C5C8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2152	4280	regsvr32.exe	81
PID 4280 wrote to memory of 2152	4280	regsvr32.exe	81
PID 4280 wrote to memory of 2152	4280	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\320cbe5cdc3170ae105e0434d5048fc7_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2152

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

Replay Monitor

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Downloads

memory/2152-0-0x0000000000760000-0x0000000000816000-memory.dmp

Filesize
728KB

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