80376aa0da77a9421ee284c4c803b9adea73e1a5b47c3a3bd6e0e39293496d06

Analysis

max time kernel
136s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 05:19

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General

Target

b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.dll
Size

1.1MB
MD5

b67c1b3cc9bf92c85958e7aae11e3aaf
SHA1

245d5013d08c7942927fb910a8951b6b435adf8b
SHA256

80376aa0da77a9421ee284c4c803b9adea73e1a5b47c3a3bd6e0e39293496d06
SHA512

5d555efa3cb709ed72192620317321d903f89f579ed1964b8caa999e6be9bce888c3ce4999c0a3ab8095031e65a6706c5f7f9df14d3e5e67abb596dcb686f6ca
SSDEEP

24576:icwKclK0USU6L8oSCekLewT/70mYygzmwPA:icwyURfT/70mYH

Score

6^/10

adware discovery 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\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}	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\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\ = "Google(tm)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.Google	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.Google\ = "Google(tm)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.Google\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.Google\Clsid\ = "{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\ProgID\ = "b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.Google"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BAA1640C-9BF1-4F1D-BBD5-4FE879308AB4}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 220	3344	regsvr32.exe	95
PID 3344 wrote to memory of 220	3344	regsvr32.exe	95
PID 3344 wrote to memory of 220	3344	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b67c1b3cc9bf92c85958e7aae11e3aaf_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:220

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 --field-trial-handle=4036,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4192 /prefetch:8
1⤵
PID:1864

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/220-0-0x00000000020C0000-0x00000000021E6000-memory.dmp

Filesize
1.1MB

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