84d01c246e95f0f04ade4c7c837759a5efc9c437fe197849883d7559db6ebace

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 22:42

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General

Target
e897c02175babec6b2fb2e6215c2e781_JaffaCakes118.dll
Size 162KB
Sample240408-2mpz2shd2t
SHA256 84d01c246e95f0f04ade4c7c837759a5efc9c437fe197849883d7559db6ebace
MD5 e897c02175babec6b2fb2e6215c2e781
SHA1 ef072d750c7d0108c2cf28275cd375ee2a35ac54
SHA512 2529c359462ae982589724322a10b36c8f645613f354de5d1ce67eaa0bb6d6c0eba067b8f7a0dc1ea41268979c71fda75dddd5d30840ee03a6e9c39b6c8799fa
SSDEEP 3072:e1Qw5Wgite6CjyYKerPJpqwT17cehRQ3WrDPrjcyMv5Ez:w95Wza+YKerhplnRQArW6
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{f6052bdf-c853-a2c7-eab6-ab659122f1ce} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\e897c02175babec6b2fb2e6215c2e781_JaffaCakes118.dll\" DllStub"	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 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\{e479ae13-e3e8-0265-622e-1a092daf9b90}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e479ae13-e3e8-0265-622e-1a092daf9b90}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e479ae13-e3e8-0265-622e-1a092daf9b90}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e479ae13-e3e8-0265-622e-1a092daf9b90}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e479ae13-e3e8-0265-622e-1a092daf9b90}\ = "bambanner browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e479ae13-e3e8-0265-622e-1a092daf9b90}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e479ae13-e3e8-0265-622e-1a092daf9b90}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e897c02175babec6b2fb2e6215c2e781_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 3020	3396	regsvr32.exe	95
PID 3396 wrote to memory of 3020	3396	regsvr32.exe	95
PID 3396 wrote to memory of 3020	3396	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e897c02175babec6b2fb2e6215c2e781_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e897c02175babec6b2fb2e6215c2e781_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3020

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=1328 --field-trial-handle=2260,i,11662483365823245381,11064702639240765741,262144 --variations-seed-version /prefetch:8
1⤵
PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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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