6d2b7afb37bb90d952c8a0053d59fe1cd3e18ed145c3cc35eddf5fb83d28d0b0

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
21/06/2024, 08:03

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General

Target
0a6435def7875e021544a096c6404498_JaffaCakes118.dll
Size 147KB
Sample240621-jxxtjawdql
SHA256 6d2b7afb37bb90d952c8a0053d59fe1cd3e18ed145c3cc35eddf5fb83d28d0b0
MD5 0a6435def7875e021544a096c6404498
SHA1 4a11988835efeffadf56e626f7c30a2cb42f5a1c
SHA512 81e13fd81742908a83cac9c89809339dd4be56e75442fc38d433e6ea3454e9505091ad12a6946dd173fcad0ae4fa112b42023a8add7be52034201c962d314d87
SSDEEP 3072:/i46ZtzQ6FfGtAQHTItiwlGmwUwtDDGNhM42y:/ixhGtXItiwmUqDTM
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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\{F2F4C6C1-A344-4979-856F-532E22859083}\ = "Adobe PDF Reader Link Helper"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F2F4C6C1-A344-4979-856F-532E22859083}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F2F4C6C1-A344-4979-856F-532E22859083}	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\ = "cert 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ = "ILinkreaderbho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\ProgID\ = "linkreader.Linkreaderbho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a6435def7875e021544a096c6404498_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{3F0BD180-84B7-4AB5-873A-002217BD0CCE}\ = "linkreader"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\TypeLib\ = "{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho\CurVer\ = "linkreader.Linkreaderbho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\AppID = "{3F0BD180-84B7-4AB5-873A-002217BD0CCE}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho.1\CLSID\ = "{F2F4C6C1-A344-4979-856F-532E22859083}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\linkreader.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\linkreader.DLL\AppID = "{3F0BD180-84B7-4AB5-873A-002217BD0CCE}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho.1\ = "Cert Reader Helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ = "ILinkreaderbho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{3F0BD180-84B7-4AB5-873A-002217BD0CCE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho\CLSID\ = "{F2F4C6C1-A344-4979-856F-532E22859083}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\VersionIndependentProgID\ = "linkreader.Linkreaderbho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib\ = "{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a6435def7875e021544a096c6404498_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\TypeLib\ = "{C9521F7E-5BE8-4023-A83A-ABA86DA1776E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\linkreader.Linkreaderbho\ = "Cert Reader Helper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\ = "Cert Reader Helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F2F4C6C1-A344-4979-856F-532E22859083}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CA9668A-9174-44CD-B84A-7C04E29905E6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 5096	712	regsvr32.exe	83
PID 712 wrote to memory of 5096	712	regsvr32.exe	83
PID 712 wrote to memory of 5096	712	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0a6435def7875e021544a096c6404498_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0a6435def7875e021544a096c6404498_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5096

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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