e1ff828457f5f7c5720909339387d9a1e6150dd5f22bb7c33bd0c7dfe6178290

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 04:53

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General

Target

ea9f1348933ce8a621dd424685e3101a_JaffaCakes118.dll
Size

67KB
MD5

ea9f1348933ce8a621dd424685e3101a
SHA1

217d5222147ae4751199d2ce39efcd003c83dac4
SHA256

e1ff828457f5f7c5720909339387d9a1e6150dd5f22bb7c33bd0c7dfe6178290
SHA512

56f15043f857428d84d254ce58d4117b7668fcdcb5ddbb0dba9426567aac73b6e9dd17f6361e36c18779a952e68321ef89be15d25d0e8cbd67fa0088b325f79f
SSDEEP

1536:NFJdkbN31XuxNsMmAPljhejV9uQzhh1ST2KrTy:NFJyp31XujeTVbKHy

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\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\	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 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID\ = "BHO.FffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\ = "CFffPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID\ = "BHO.FffPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea9f1348933ce8a621dd424685e3101a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ = "CFffPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea9f1348933ce8a621dd424685e3101a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID\ = "{F7C9E237-D0B2-4265-B4EC-B93F739D5471}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 3028	3472	regsvr32.exe	82
PID 3472 wrote to memory of 3028	3472	regsvr32.exe	82
PID 3472 wrote to memory of 3028	3472	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ea9f1348933ce8a621dd424685e3101a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ea9f1348933ce8a621dd424685e3101a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3028

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/3028-0-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/3028-1-0x0000000000930000-0x0000000000932000-memory.dmp

Filesize
8KB

Download