9af15d201c3dff6da0cf2d0b519d6aad87c2de7f4c6b1e2eaa1075eb045257e9

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 11:44

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General

Target

05b0e3c2317e3682a9e4add447af8c75_JaffaCakes118.dll
Size

236KB
MD5

05b0e3c2317e3682a9e4add447af8c75
SHA1

a299d1ad8cbca4db92d77c4e8501ae827a3eaa90
SHA256

9af15d201c3dff6da0cf2d0b519d6aad87c2de7f4c6b1e2eaa1075eb045257e9
SHA512

e0dbc9d5205c8d7bee71c239b318c67d8646ab887af071021e579fe45846b856437386bb79344495e20197a86b5359b1d05b9e1178152b8d849008aff517df56
SSDEEP

3072:VmdP83na6wtyO3MbzE88xlBvS0vsJ+1WLR4cDA7F4+tL8rYAtnWEJEPuoU/I8:a8A4GM6N3Ul4JFRtL8M+sPCd

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\{83877F38-C779-4F23-AA7D-7795E23DA8F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ = "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\BHO.FunPlayer.1\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\05b0e3c2317e3682a9e4add447af8c75_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\05b0e3c2317e3682a9e4add447af8c75_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\ = "BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 3256	4676	regsvr32.exe	84
PID 4676 wrote to memory of 3256	4676	regsvr32.exe	84
PID 4676 wrote to memory of 3256	4676	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\05b0e3c2317e3682a9e4add447af8c75_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\05b0e3c2317e3682a9e4add447af8c75_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3256

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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