e6a25e83fdf6ab3047a92ccf63c5cfa02810cd3ba707daa9cf152c266a1625ca

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 09:23 UTC

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General

Target

aeae4b866441f43ce18a7123a3946bba_JaffaCakes118.dll
Size

117KB
MD5

aeae4b866441f43ce18a7123a3946bba
SHA1

4aeb79999882e1fd495217ea55e0850585b56e2a
SHA256

e6a25e83fdf6ab3047a92ccf63c5cfa02810cd3ba707daa9cf152c266a1625ca
SHA512

47f6306839cc35ba0d860119e8ae9f407694b1e573d47f63c0d0ea863e6001fc8105701dad5c376d7a9281d5e8f13e335be70b56bc06a8b53d4e99ee2f6c5683
SSDEEP

3072:ikDCycEhzUgdbiLI4c1cfXd8aSusGp8lCHhm:ik0cwgRgI7ifthv8lCHhm

Score

7^/10

adware discovery stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2284-4-0x0000000000200000-0x0000000000238000-memory.dmp	upx
behavioral1/memory/2284-5-0x0000000000200000-0x0000000000238000-memory.dmp	upx
behavioral1/memory/2284-6-0x0000000000200000-0x0000000000238000-memory.dmp	upx
behavioral1/memory/2284-8-0x0000000000200000-0x0000000000238000-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\{3E12A50D-4660-45E9-B5D2-F124878CA495}	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E12A50D-4660-45E9-B5D2-F124878CA495}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E12A50D-4660-45E9-B5D2-F124878CA495}\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\{3E12A50D-4660-45E9-B5D2-F124878CA495}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E12A50D-4660-45E9-B5D2-F124878CA495}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aeae4b866441f43ce18a7123a3946bba_JaffaCakes118.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30
PID 2336 wrote to memory of 2284	2336	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aeae4b866441f43ce18a7123a3946bba_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aeae4b866441f43ce18a7123a3946bba_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2284

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2284-0-0x00000000001C0000-0x00000000001FB000-memory.dmp

Filesize
236KB

Download
memory/2284-2-0x00000000001C0000-0x00000000001FB000-memory.dmp

Filesize
236KB

Download
memory/2284-3-0x00000000001C0000-0x00000000001FB000-memory.dmp

Filesize
236KB

Download
memory/2284-1-0x00000000001C0000-0x00000000001FB000-memory.dmp

Filesize
236KB

Download
memory/2284-4-0x0000000000200000-0x0000000000238000-memory.dmp

Filesize
224KB

Download
memory/2284-5-0x0000000000200000-0x0000000000238000-memory.dmp

Filesize
224KB

Download
memory/2284-6-0x0000000000200000-0x0000000000238000-memory.dmp

Filesize
224KB

Download
memory/2284-7-0x00000000001C0000-0x00000000001FB000-memory.dmp

Filesize
236KB

Download
memory/2284-8-0x0000000000200000-0x0000000000238000-memory.dmp

Filesize
224KB

Download