d33c8058076568d70ba8300ffa2b400d687aa73264d145a2ddc383c915bb3856

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 23:44

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General

Target
eea0832c1620e822b204c5c42762906a_JaffaCakes118.dll
Size 560KB
Sample240411-3rdm9agh93
SHA256 d33c8058076568d70ba8300ffa2b400d687aa73264d145a2ddc383c915bb3856
MD5 eea0832c1620e822b204c5c42762906a
SHA1 da63d8cd2f0d98c9ba2c47b6937ceea85a6a76df
SHA512 9ab76b673bbf9f8204de849f1b9f697f25c192a98de5cbdf36facf7cc19cc35286e0ae5e44b262fae98184ec3cc73072b413b19f7064f3f25bf98a7182c02106
SSDEEP 12288:7fyhQk+7Xk0wL1fkyyYHFzWLUz8fhOyBsghTrODHV:j2QX7IL1fkyltXz8fVy8TA
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\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\eea0832c1620e822b204c5c42762906a_JaffaCakes118.LIendXunLho\ = "DeKluoEntat"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\eea0832c1620e822b204c5c42762906a_JaffaCakes118.LIendXunLho\Clsid\ = "{DE351E0B-35FE-8AF7-95A2-6163CFE78123}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\ProgID\ = "eea0832c1620e822b204c5c42762906a_JaffaCakes118.LIendXunLho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eea0832c1620e822b204c5c42762906a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\ = "DeKluoEntat"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\eea0832c1620e822b204c5c42762906a_JaffaCakes118.LIendXunLho	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\eea0832c1620e822b204c5c42762906a_JaffaCakes118.LIendXunLho\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE351E0B-35FE-8AF7-95A2-6163CFE78123}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 1856	4312	regsvr32.exe	83
PID 4312 wrote to memory of 1856	4312	regsvr32.exe	83
PID 4312 wrote to memory of 1856	4312	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eea0832c1620e822b204c5c42762906a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eea0832c1620e822b204c5c42762906a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1856

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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