a6657acdcdefa9982764fe37c64f1796ac97e6f552e1941ad3c9a247b7e08c60

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 17:21

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General

Target

35aa3e5edaa11f6ef7590f2ab6f4c607_JaffaCakes118.dll
Size

105KB
MD5

35aa3e5edaa11f6ef7590f2ab6f4c607
SHA1

7b65be5e9ca4bbc0b487c516a10fb6645e3a1730
SHA256

a6657acdcdefa9982764fe37c64f1796ac97e6f552e1941ad3c9a247b7e08c60
SHA512

62076aac3ea1e088185dc9acac0f124e622f2c59540f8f7e954164a5e164229a2d58ad198ca3a9990d866fecf98f391fa0315f69625dfca0bf71b33b30862a28
SSDEEP

3072:FgQ2VvNnUefCjIAsGqaxGq5NbOkouR8rKJ:AVvNnUJ8A9Nzwy8rKJ

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3212-1-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/3212-2-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/3212-4-0x0000000000400000-0x0000000000437000-memory.dmp	upx

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\{E7AEA18D-F9F0-4656-B3B4-B06DDA1E5112}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7AEA18D-F9F0-4656-B3B4-B06DDA1E5112}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\35aa3e5edaa11f6ef7590f2ab6f4c607_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7AEA18D-F9F0-4656-B3B4-B06DDA1E5112}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7AEA18D-F9F0-4656-B3B4-B06DDA1E5112}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7AEA18D-F9F0-4656-B3B4-B06DDA1E5112}	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3212	3508	rundll32.exe	82
PID 3508 wrote to memory of 3212	3508	rundll32.exe	82
PID 3508 wrote to memory of 3212	3508	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35aa3e5edaa11f6ef7590f2ab6f4c607_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35aa3e5edaa11f6ef7590f2ab6f4c607_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3212

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/3212-0-0x0000000000540000-0x000000000057A000-memory.dmp

Filesize
232KB

Download
memory/3212-1-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3212-2-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3212-3-0x0000000000540000-0x000000000057A000-memory.dmp

Filesize
232KB

Download
memory/3212-4-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download