0454d7e50df235d561384652502df6d7e9a268c85792a6215af5e808775e7113

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 08:11

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General

Target

d3eadb9af2fef51b5430d5b8a39bddbf_JaffaCakes118.dll
Size

172KB
MD5

d3eadb9af2fef51b5430d5b8a39bddbf
SHA1

aa6a1dcb8b8793bb6ffb398576a34f6c8d717315
SHA256

0454d7e50df235d561384652502df6d7e9a268c85792a6215af5e808775e7113
SHA512

158dcc3de9b45b9c2439b1fad0c8d98942b240a7af72c037da86468018beb2ed3cfbc490bfb5f864df3a9430342e0ee1850fbc59e24025dd2afb65066fb23097
SSDEEP

3072:2S9DbS5Z65cc09UEAk1K1QbyjoquuAnZBPZ0XaD2YK9eDIq1zhUXZwGuLSa:N9Db86589ULk1K1QbbquuA3PZWnYy4I0

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\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\ = "windows"	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 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib\ = "{8B999439-BBF5-42B8-A3EB-706E02F8067A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{8B999439-BBF5-42B8-A3EB-706E02F8067A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d3eadb9af2fef51b5430d5b8a39bddbf_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d3eadb9af2fef51b5430d5b8a39bddbf_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}\TypeLib\ = "{8B999439-BBF5-42B8-A3EB-706E02F8067A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{10663FDB-F161-419C-B8AE-1B0D5DA1AA36}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C8261E60-9E28-46BE-99D2-6F73A0D0EB6F}\TypeLib\ = "{8B999439-BBF5-42B8-A3EB-706E02F8067A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{8B999439-BBF5-42B8-A3EB-706E02F8067A}\ = "BHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 1900	4420	regsvr32.exe	84
PID 4420 wrote to memory of 1900	4420	regsvr32.exe	84
PID 4420 wrote to memory of 1900	4420	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d3eadb9af2fef51b5430d5b8a39bddbf_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d3eadb9af2fef51b5430d5b8a39bddbf_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1900

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/1900-0-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1900-1-0x00000000010B0000-0x00000000010B2000-memory.dmp

Filesize
8KB

Download