2e26339f8576744d4037ca1b3c7de455893a1da5965de9a01bd6eab9472a3bb4

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 11:20

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General

Target

eaf23296e10d11323c58009acec21131_JaffaCakes118.dll
Size

162KB
MD5

eaf23296e10d11323c58009acec21131
SHA1

4817fa6e88b13f691d0e9e0a8a92ca2d0c9eefa5
SHA256

2e26339f8576744d4037ca1b3c7de455893a1da5965de9a01bd6eab9472a3bb4
SHA512

3828b52e61eeebc15838ff61d559fad448a4c53faa4415618765235a76e3087d93c1bf271f0e23a69a0bfdb7bde112bf8de3bd754d2c89eed715740c882b1ab2
SSDEEP

3072:VQOpZ6/CMfJlR6CISH3Pitr1PyDp9QTeo8eoxwrRMRnuLoGyMv5aN:VfZ6qaJl7ISH3Pi51PyDpZxxw9xUkQN

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\{81704bfe-c56f-ae8b-651f-f37420bc64a3} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\eaf23296e10d11323c58009acec21131_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\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaf23296e10d11323c58009acec21131_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b5eba789-441a-88bd-bdca-2ca8cbe08fcf}\ = "agadoo browser enhancer"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28
PID 3048 wrote to memory of 3052	3048	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eaf23296e10d11323c58009acec21131_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eaf23296e10d11323c58009acec21131_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3052

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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