Analysis
-
max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2024 12:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.dll
Resource
win7-20240508-en
3 signatures
150 seconds
General
-
Target
02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.dll
-
Size
442KB
-
MD5
02109a9c548708dbf6d6b2a1fe3e8372
-
SHA1
cda3fb6fec9597babff991fa30eefd078649d644
-
SHA256
dce25b7e9cab6c3925db0fece17e93d6af1869ea6c6632f2731488a62e25588b
-
SHA512
fc4bee346d54e50f0a0e256f9143d0fabeb924b82dd18cb9f74307dadf519e82438aa3a4ed210ff2a76f9abd976b64240de6dc9a803e548362ff5c739956279b
-
SSDEEP
12288:E8oLt9p7voqE8GOSlJAOBixoYPObvJzu+7YsAYy:2JHE8uNiJCK
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}!\ = "360°²È«ÎÀÊ¿" regsvr32.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}! regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.360SafeMode regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.360SafeMode\ = "Safemon class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.360SafeMode\Clsid\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID\ = "02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.360SafeMode" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ = "Safemon class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.360SafeMode\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5092 wrote to memory of 4416 5092 regsvr32.exe 91 PID 5092 wrote to memory of 4416 5092 regsvr32.exe 91 PID 5092 wrote to memory of 4416 5092 regsvr32.exe 91
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\02109a9c548708dbf6d6b2a1fe3e8372_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4416
-
-
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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵PID:4924