c6cf12ec6676413a03bbf17b52db933ec80e0b3fe4adc2a59d8e5b9b71c52fbc

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 19:23

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General

Target

4b11378d68bee843cc43466689134825_JaffaCakes118.dll
Size

142KB
MD5

4b11378d68bee843cc43466689134825
SHA1

68188405ecd480303485a6cf26964a8c306b38ed
SHA256

c6cf12ec6676413a03bbf17b52db933ec80e0b3fe4adc2a59d8e5b9b71c52fbc
SHA512

1c239d671ce5173af79e174d055a05f2574131d577a4b1781ef6ad410fae24fa72a2f94ef518e017feb22e38adb1663784be70c04fa299cda5f937e65ae25cf7
SSDEEP

3072:wEk6AlK+xE24sCTJdMIaTCmCWt55jBpX:06AlJK2yl2NZj

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "Game Add-on ArcadeWeb"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID\ = "AModule.Addon.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\ = "Game Add-on ArcadeWeb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b11378d68bee843cc43466689134825_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "Game Add-on ArcadeWeb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\ = "ExpExt TLib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\ = "Game Add-on ArcadeWeb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CurVer\ = "AModule.Addon.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib\ = "{2A04A1D0-1969-400e-A53C-6A5433A4B658}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b11378d68bee843cc43466689134825_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID\ = "AModule.Addon"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30
PID 2028 wrote to memory of 1224	2028	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4b11378d68bee843cc43466689134825_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4b11378d68bee843cc43466689134825_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1224

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

Windows 7 deprecation

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