fb61ae830e3d322240dc8da3fb7187c92ebb3892ebfc6bec5a7f90fc339d1d9b

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 18:44

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General

Target

3a51b562c605de035c1df2f11e464eb6_JaffaCakes118.dll
Size

159KB
MD5

3a51b562c605de035c1df2f11e464eb6
SHA1

996975a1c5b74b5c40951710ac1036af98ca480c
SHA256

fb61ae830e3d322240dc8da3fb7187c92ebb3892ebfc6bec5a7f90fc339d1d9b
SHA512

c841a66f90943630b6a6fb0e00eb4719e6fcd550eb178245efa45343145e341eeaa69e7bae2b6aa08f0f28f42703d9415fd71cb75551bc7671ed238b14c0b283
SSDEEP

3072:JW6wwSL4ApBi0coh4u5Bl+kyq5c3GNqy4v5N:cLLrDi0coh4u5sq5Lmb

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\{46112c92-8125-7614-6a6a-9f9086d517bc} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\3a51b562c605de035c1df2f11e464eb6_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\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}\ = "giantads browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c7f5d0d-19a6-efe4-7e5e-263329caabf3}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a51b562c605de035c1df2f11e464eb6_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 456	2328	regsvr32.exe	83
PID 2328 wrote to memory of 456	2328	regsvr32.exe	83
PID 2328 wrote to memory of 456	2328	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a51b562c605de035c1df2f11e464eb6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3a51b562c605de035c1df2f11e464eb6_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:456

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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