52de15ef56e7f05ff2bdf3272eecec5f0082dcd05d19d3c0eb12e6de065e5d93

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 17:57

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General

Target

3163fbae0d713c8195142ba863bc0b1f_JaffaCakes118.dll
Size

99KB
MD5

3163fbae0d713c8195142ba863bc0b1f
SHA1

47e691da892c6b031caa22e774a28b65724ebfdf
SHA256

52de15ef56e7f05ff2bdf3272eecec5f0082dcd05d19d3c0eb12e6de065e5d93
SHA512

08ebd29b73d5b95dbd0c14c87650d9e1bcb5a9d7f8554f542c6c43e981d517551a4dbc0af8656b452587d5dff9f770b3625d528de3dd65e9d9edba5d081cef6d
SSDEEP

1536:f6c2bcATlbcKNyRAOfX+jHfK0maJseTIucEq5sOUPnJBn8mLNQvDBnDxOLFJm:fkI0tvwCHyVdeTsEq5vef0tnDxKPm

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2900-0-0x0000000000400000-0x000000000043F000-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\{A31AF7F0-F7AB-4950-B616-0CE33B6DCE8C}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A31AF7F0-F7AB-4950-B616-0CE33B6DCE8C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A31AF7F0-F7AB-4950-B616-0CE33B6DCE8C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A31AF7F0-F7AB-4950-B616-0CE33B6DCE8C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3163fbae0d713c8195142ba863bc0b1f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A31AF7F0-F7AB-4950-B616-0CE33B6DCE8C}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 2900	1108	regsvr32.exe	81
PID 1108 wrote to memory of 2900	1108	regsvr32.exe	81
PID 1108 wrote to memory of 2900	1108	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3163fbae0d713c8195142ba863bc0b1f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3163fbae0d713c8195142ba863bc0b1f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2900

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/2900-0-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2900-1-0x000000000042C000-0x000000000042D000-memory.dmp

Filesize
4KB

Download