c1d29d889b2d17f583b9abfa19fcdddb061b47d5339aec496642a67477138a78

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 04:26

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General

Target
02cae8c4bf771150f1a4aea84dab7d7f_JaffaCakes118.dll
Size 86KB
Sample240620-e2h4qayejh
SHA256 c1d29d889b2d17f583b9abfa19fcdddb061b47d5339aec496642a67477138a78
MD5 02cae8c4bf771150f1a4aea84dab7d7f
SHA1 42141c41f8cb995386a11089a571a2c80d7cce02
SHA512 f72eaa112c92f1e5709e479b637dea504a2b6917f1504604a1ec52151569afad02722dde902ed5b6ebf2253ead3a619b191b776b2e932a69abfdd4e65e7ced8d
SSDEEP 1536:Buggabs5itmN8BgL9wsarnPXytBYf726bzd41sT58lbjqw1tE:gEgi8ighwsar/0Bq72jsT58lbjzi
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb.1\CLSID\ = "{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib\ = "{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb.1\ = "ExplorerOhb Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02cae8c4bf771150f1a4aea84dab7d7f_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02cae8c4bf771150f1a4aea84dab7d7f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib\ = "{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ = "IExplorerOhb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\ = "ExplorerOhb Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\ = "IEAdsKill 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F08A493D-3FEF-4372-8AF3-FEB2735FEC36}\ = "IExplorerOhb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb\ = "ExplorerOhb Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\VersionIndependentProgID\ = "ExplorerOhb.ExplorerOhb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerOhb.ExplorerOhb\CurVer\ = "ExplorerOhb.ExplorerOhb.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F08A493E-3FEF-4372-8AF3-FEB2735FEC36}\ProgID\ = "ExplorerOhb.ExplorerOhb.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F08A4930-3FEF-4372-8AF3-FEB2735FEC36}\1.0\0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3812	1076	regsvr32.exe	81
PID 1076 wrote to memory of 3812	1076	regsvr32.exe	81
PID 1076 wrote to memory of 3812	1076	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\02cae8c4bf771150f1a4aea84dab7d7f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\02cae8c4bf771150f1a4aea84dab7d7f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3812

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3812-0-0x0000000010000000-0x000000001002C000-memory.dmp

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