ec8d60fe02ebd939470c02d945224420c9c59faa78afffed11ac611b9d68a141

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 16:33

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General

Target

86d18b36055e6e8a95ef9f323365e83d_JaffaCakes118.dll
Size

324KB
MD5

86d18b36055e6e8a95ef9f323365e83d
SHA1

2f9e7fc2fd9d4f3717629533b617b09746325dae
SHA256

ec8d60fe02ebd939470c02d945224420c9c59faa78afffed11ac611b9d68a141
SHA512

3611cb987b9fa0da773e14284c10156310de5675a0b9b6717dc8cb0afef72cafdbaecdacb32786733bd9431dfab4d10e43ffcd92887329c7bcd7677a72ecb205
SSDEEP

6144:0hhI966AGkAjOpoaY7hGAu+LG8tN8SWW0y+nC:6q6xGJOpqdVtLGDjhS

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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\{8995b90a-71f7-4977-c351-1f9dd33913f0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8995b90a-71f7-4977-c351-1f9dd33913f0}\NoExplorer = "\"\""	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 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8995b90a-71f7-4977-c351-1f9dd33913f0}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\86d18b36055e6e8a95ef9f323365e83d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8995b90a-71f7-4977-c351-1f9dd33913f0}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8995b90a-71f7-4977-c351-1f9dd33913f0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8995b90a-71f7-4977-c351-1f9dd33913f0}\ = "nextads browser optimizer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8995b90a-71f7-4977-c351-1f9dd33913f0}\InProcServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 3824	3528	regsvr32.exe	85
PID 3528 wrote to memory of 3824	3528	regsvr32.exe	85
PID 3528 wrote to memory of 3824	3528	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\86d18b36055e6e8a95ef9f323365e83d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\86d18b36055e6e8a95ef9f323365e83d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3824

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

Replay Monitor

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Downloads

memory/3824-0-0x0000000010000000-0x000000001005C000-memory.dmp

Filesize
368KB

Download
memory/3824-1-0x0000000002EF0000-0x0000000002F4A000-memory.dmp

Filesize
360KB

Download
memory/3824-2-0x0000000003F20000-0x0000000003F22000-memory.dmp

Filesize
8KB

Download