7a0e52392561fafbd0fbfc128c721560b4172f4335cd370b710f5a2aef5c8d4f

Analysis

max time kernel
41s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 00:34

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General

Target

2a5c0e6e13f3c258fd1a6d6342dfb73a_JaffaCakes118.dll
Size

157KB
MD5

2a5c0e6e13f3c258fd1a6d6342dfb73a
SHA1

d63bce46f00e2498f2ea8ddfe969643e6edef846
SHA256

7a0e52392561fafbd0fbfc128c721560b4172f4335cd370b710f5a2aef5c8d4f
SHA512

45b9b7bf188f97cc5b717ce05deef2cffa5a3a00fcdddb2afc4b9b104590fff7ad8d8f370c38e985c3e562b3f331aa951643c5d857a35e2c8b82894c1ce67206
SSDEEP

3072:br44v66liJvKA62ykn0D5HCF1PMKFR7HmU0/xy4v5mfk:br44blihKuyj5NKFBHBWsfk

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{af8a1794-8d74-7b77-d0c7-7db752bcd305} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2a5c0e6e13f3c258fd1a6d6342dfb73a_JaffaCakes118.dll\" DllStart"	regsvr32.exe

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\{192dc012-6250-3a1e-594a-148a7935393d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{192dc012-6250-3a1e-594a-148a7935393d}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{192dc012-6250-3a1e-594a-148a7935393d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{192dc012-6250-3a1e-594a-148a7935393d}\ = "radbanner browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{192dc012-6250-3a1e-594a-148a7935393d}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{192dc012-6250-3a1e-594a-148a7935393d}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2a5c0e6e13f3c258fd1a6d6342dfb73a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{192dc012-6250-3a1e-594a-148a7935393d}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 3548	1876	regsvr32.exe	80
PID 1876 wrote to memory of 3548	1876	regsvr32.exe	80
PID 1876 wrote to memory of 3548	1876	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2a5c0e6e13f3c258fd1a6d6342dfb73a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2a5c0e6e13f3c258fd1a6d6342dfb73a_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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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