d9b26d38146b11a1cea6051267fdd03f254a09e97d4b7b1823a82cb644de19ed

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 03:12

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General

Target
0252a5f802e212f1792032a8e4d6052e_JaffaCakes118.dll
Size 86KB
Sample240620-dqa4asvhrf
SHA256 d9b26d38146b11a1cea6051267fdd03f254a09e97d4b7b1823a82cb644de19ed
MD5 0252a5f802e212f1792032a8e4d6052e
SHA1 529e56a200458aba760ae523c8cd2bcfaeb9a73c
SHA512 f6588a4cb3d0fa935ae0625b3ccdbeb3f996453248ef3fbcf9748a45d9af2663641bd7b65d403e1a7d9773ef851280862b5fe2093b8f7c25a7733cbf2e1f8b25
SSDEEP 1536:KYvynn+A2VreCGivZb56MVeVHRK+R6HS+CR6ZnalHGVWR1CcUntsydPj:Hv4+Ahl5oy6bCR6xa4I7entsyZ
MD5 SHA1 SHA512 SSDEEP

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\{3E3F24D0-A2BF-4AA8-9351-B1BBF84FC2B4}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E3F24D0-A2BF-4AA8-9351-B1BBF84FC2B4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0252a5f802e212f1792032a8e4d6052e_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E3F24D0-A2BF-4AA8-9351-B1BBF84FC2B4}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E3F24D0-A2BF-4AA8-9351-B1BBF84FC2B4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E3F24D0-A2BF-4AA8-9351-B1BBF84FC2B4}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1312	4856	regsvr32.exe	83
PID 4856 wrote to memory of 1312	4856	regsvr32.exe	83
PID 4856 wrote to memory of 1312	4856	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0252a5f802e212f1792032a8e4d6052e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0252a5f802e212f1792032a8e4d6052e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1312

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/1312-0-0x00000000007F0000-0x000000000082C000-memory.dmp

Download

memory/1312-1-0x00000000007F0000-0x000000000082C000-memory.dmp