e4994a7b260e697a8840efd5a92f866e365e225129a46330d272ea1a6f400c22

Analysis

max time kernel
149s
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
24/07/2024, 08:12

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General

Target

6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.dll
Size

224KB
MD5

6ae0a68b7423964af8d798d107a4326a
SHA1

b841849c19f9504d49eb47b1c964ac159dfb2d79
SHA256

e4994a7b260e697a8840efd5a92f866e365e225129a46330d272ea1a6f400c22
SHA512

32d968bbddbd3ba415da7529ffbb182991da2a346d36dbadfaabd3a63a041dd80c6f7a5bee7eb7f8e9ff2056abcf9a724440c02939d76a9fddf6dee13ae94a5a
SSDEEP

6144:Hwx/C2G6SDG6dphYB365sryrXlsnVUGohVH5:HwHG6SD/ac5sruXeVNoT5

Score

7^/10

adware discovery 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/1528-0-0x0000000000400000-0x0000000000498000-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\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}	regsvr32.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	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\ProgID\ = "6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.sb\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-47F8-BE53-A62C-6FAC5A17C6F5}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1528	3640	regsvr32.exe	84
PID 3640 wrote to memory of 1528	3640	regsvr32.exe	84
PID 3640 wrote to memory of 1528	3640	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6ae0a68b7423964af8d798d107a4326a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1528

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

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Downloads

memory/1528-0-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

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