bdd5125525e0b44bacb2b145880e8eccd7c579dfbe703223428c371f354e3d06

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2024, 19:33

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General

Target
ef5720e908fe639b75defc0674a772e9_JaffaCakes118.dll
Size 2.3MB
Sample240414-x9vrlaee4s
SHA256 bdd5125525e0b44bacb2b145880e8eccd7c579dfbe703223428c371f354e3d06
MD5 ef5720e908fe639b75defc0674a772e9
SHA1 3c9de357f97ba518fc1cbdd29b3e302d24dded91
SHA512 819e1ac7c66abfdf9a34553cce852d4135faf1550edc59b402cedbea8f882c5bb8889b9c899d6022118c0f75b27859211e80b4618257750a5d7e46c86151796b
SSDEEP 49152:MVv/MwJ5SK3AGMhJt2bKc4wYRhp26hbKD0QbtoyRt7KF:MB/FvSK3TMhJOKyYRe0QJo4WF
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\ = "Antivirus Plus BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2732	2124	regsvr32.exe	83
PID 2124 wrote to memory of 2732	2124	regsvr32.exe	83
PID 2124 wrote to memory of 2732	2124	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ef5720e908fe639b75defc0674a772e9_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ef5720e908fe639b75defc0674a772e9_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2732

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/2732-1-0x0000000002B50000-0x0000000002D92000-memory.dmp

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memory/2732-0-0x0000000000BE0000-0x0000000000BF2000-memory.dmp

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memory/2732-6-0x0000000002B50000-0x0000000002D92000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads