e9680844c24549bae126347fc48943926253f966bd0b11ea22a133a1304d3c86

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 20:56

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General

Target

c7a31675591c75321a6d23b535fde685_JaffaCakes118.dll
Size

143KB
MD5

c7a31675591c75321a6d23b535fde685
SHA1

ff4e5e6d15fca7c77e46313763e6a133130f6a34
SHA256

e9680844c24549bae126347fc48943926253f966bd0b11ea22a133a1304d3c86
SHA512

87295689785e29ffe6feae08dbcdc3cb4f23d44b2a9cc0c967cab1ab3d480d1fe593413da4181934192c3bf626216b78368e3b0dc1dd47fac70b17ebb00c3601
SSDEEP

3072:NFJyp31XujeTkCQWpqxnDRYoXMF+YrH5wKmFAUXv:NFJar4WYnPBY7CKmFAwv

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\	regsvr32.exe
Key created	\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\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1"	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\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c7a31675591c75321a6d23b535fde685_JaffaCakes118.dll"	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\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID	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}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS\ = "0"	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\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\Version = "1.0"	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\HELPDIR	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\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}	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}\VersionIndependentProgID\ = "BHO.FffPlayer"	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\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c7a31675591c75321a6d23b535fde685_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ProxyStubClsid32	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\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}\1.0\FLAGS	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\BHO.FffPlayer\ = "CFffPlayer Object"	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\0	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\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\ = "IFffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer	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\Wow6432Node\CLSID\{F7C9E237-D0B2-4265-B4EC-B93F739D5471}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C868EFBA-572E-4858-BE0C-9B1639D93F21}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EBFA4A89-7372-40E9-9A27-D9C680570477}\TypeLib\ = "{C868EFBA-572E-4858-BE0C-9B1639D93F21}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30
PID 2080 wrote to memory of 2104	2080	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c7a31675591c75321a6d23b535fde685_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c7a31675591c75321a6d23b535fde685_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2104

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/2104-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/2104-0-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download