fd46f1d11d406e4100ec626b83d9ca193ef92af51d3dae5ac8530157652fa0be

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 12:56

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General

Target
e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.dll
Size 635KB
Sample240407-p6rlrsda8s
SHA256 fd46f1d11d406e4100ec626b83d9ca193ef92af51d3dae5ac8530157652fa0be
MD5 e4fa4d71e6a1553887b9c76011f06ef9
SHA1 95497a5a11357dd11dac63f5172bf07aceca61c1
SHA512 83b8406d4d46ce5bc039b2f14f1726289fd24e4b5686a4e834370ef6bcc275ee5af38958177ec2c796b8a5c7e2fbfde92aa1cea817eccc7bc6c10ebf9592cde9
SSDEEP 12288:IM0t9FNcxDMmfrLAF8rZIRf2MmsX4eBAS7FGdhf/fO79s:YtjNcXnVInv4eeS7FOhf
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\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-35F5-AB48-5C28-AE8FD4AAE9F4}\ProgID\ = "e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1252	1492	regsvr32.exe	87
PID 1492 wrote to memory of 1252	1492	regsvr32.exe	87
PID 1492 wrote to memory of 1252	1492	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e4fa4d71e6a1553887b9c76011f06ef9_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1252

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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