16a5f69f537b199b9334f55eb0e44ecae6024994cd9ee91441f1057ad18e7a13

Analysis

max time kernel
138s
max time network
124s
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, 21:14

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General

Target

87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.dll
Size

652KB
MD5

87b2e1d4e9bb68f5c1e644e55e90c82a
SHA1

f1d33e14b2cd70ad487f083cac5328bd0ace93ad
SHA256

16a5f69f537b199b9334f55eb0e44ecae6024994cd9ee91441f1057ad18e7a13
SHA512

9fea3f494c9770c146b9e02430ba61f94ea7502080ff79f69ec68900c7794865c644090c2ff82dc00c3c29100d3194e390f4a3d25b82263a1b531cf521a41259
SSDEEP

12288:Ctv0EYFWSCJZu51oBcvZHR1LL+Z6biLUWJy1BWcQSHCqmoRIZ0bWt5l6obT:2MEvSwsZBR5+UiLTiEpoRIubS6o

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{CC01FC6C-7431-E798-82C6-47F238A76793}	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 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.sb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-7431-E798-82C6-47F238A76793}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\ProgID\ = "87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7431-E798-82C6-47F238A76793}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.sb\ = "sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 3780	1040	regsvr32.exe	84
PID 1040 wrote to memory of 3780	1040	regsvr32.exe	84
PID 1040 wrote to memory of 3780	1040	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\87b2e1d4e9bb68f5c1e644e55e90c82a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3780

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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