5ac2fc9425476db4ea901c12234b86d1cf939eba736010a779c191d8ed02cc53

Analysis

max time kernel
138s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 00:18

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General

Target

8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.dll
Size

796KB
MD5

8c925743f8f8ca94bb307c78496c7f9a
SHA1

1c121c81aec63089257b36f2bb54df8642763c6e
SHA256

5ac2fc9425476db4ea901c12234b86d1cf939eba736010a779c191d8ed02cc53
SHA512

d4b1d5daf459eb804484517bc30d9bdb9f8d886a020107da77774fa568991054a30e6313ceb9f192d303e5eef31fdcee2595bbacb8a842063ca1f81f8682a7d8
SSDEEP

12288:jtv1W0IFGiS5JeprW70QxcPJHRFLL+p6r0k2JC1RW8QLHCqmoRI3yckn6oy1cU:ZM0PiQ85xRJ+U0Dy0ioRI3y36uU

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-1DDF-593C-EBEC-7A6E71ED1E84}	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-1DDF-593C-EBEC-7A6E71ED1E84}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.sb\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1DDF-593C-EBEC-7A6E71ED1E84}\ProgID\ = "8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1676	1632	regsvr32.exe	84
PID 1632 wrote to memory of 1676	1632	regsvr32.exe	84
PID 1632 wrote to memory of 1676	1632	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8c925743f8f8ca94bb307c78496c7f9a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1676

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

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Downloads

memory/1676-0-0x0000000000B50000-0x0000000000C1C000-memory.dmp

Filesize
816KB

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