5ac7e281ac65a4b6cc4abc34d2c3c8c4a8f1d2f9831a91bd6a3c50003ad70237

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 20:50

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General

Target

1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.dll
Size

608KB
MD5

1c7529657ecce2a778da8dd9e5b385e1
SHA1

ac71aa02a9d89ab978521e63f53831f7b4f25aae
SHA256

5ac7e281ac65a4b6cc4abc34d2c3c8c4a8f1d2f9831a91bd6a3c50003ad70237
SHA512

d6e09763510660f71dbc5614376d63e495e27a57c76a050a1c5b98b7494a1f43f75ae2c945027f9859250f4e79b2fbe23d667f8281ceb8481fc64627bd00798a
SSDEEP

12288:/dUXYC8MJH4nrGPP6oH/srAvNObzyhLPH2aylsfP5ILe70jng:/moCHJnnDHJvszyh6DYRIe7i

Score

6^/10

adware stealer

Malware Config

Signatures

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-3D8B-2C5E-359F-ACD1E7CBD933}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\ProgID\ = "1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3D8B-2C5E-359F-ACD1E7CBD933}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 1052	3424	regsvr32.exe	91
PID 3424 wrote to memory of 1052	3424	regsvr32.exe	91
PID 3424 wrote to memory of 1052	3424	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c7529657ecce2a778da8dd9e5b385e1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1052

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:5992

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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