a96c2ed88e1601b6899e97bb21813bd21011d0871fb435eb3dd572abf7d64d9d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 18:04

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General

Target

087b54723b266b0cfbf0e77a6d0cf64a_JaffaCakes118.dll
Size

137KB
MD5

087b54723b266b0cfbf0e77a6d0cf64a
SHA1

894853026114367b5567a8a3c72683ec07f3d3a9
SHA256

a96c2ed88e1601b6899e97bb21813bd21011d0871fb435eb3dd572abf7d64d9d
SHA512

d4f2c19933f28931c6d4724cc9d6f63d912fff9c476ce5eaf9654ec91d9aa070c70e88667fb1535d9fd6a0e4505cebf2dc7a9b5c16d263abc4776185821a471b
SSDEEP

3072:LR5LpFrzqxwfeb4rbdCstp8FK41f54GAxrBw:LLrWUX8KE6S

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\{D1ECD019-8423-43de-98D1-7892AF2DA309}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D1ECD019-8423-43de-98D1-7892AF2DA309}\ = "FreeWorkz Games"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D1ECD019-8423-43de-98D1-7892AF2DA309}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\ = "FreeWorkz Games"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ = "IExtension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\ = "FreeWorkz Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension.1\ = "FreeWorkz Games"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\ProgID\ = "FreeWorkz.Extension.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\087b54723b266b0cfbf0e77a6d0cf64a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib\ = "{9B909531-FFB8-40B9-A739-18117253BF08}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib\ = "{9B909531-FFB8-40B9-A739-18117253BF08}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\TypeLib\ = "{9B909531-FFB8-40b9-A739-18117253BF08}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib\ = "{9B909531-FFB8-40B9-A739-18117253BF08}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\087b54723b266b0cfbf0e77a6d0cf64a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension\CLSID\ = "{D1ECD019-8423-43de-98D1-7892AF2DA309}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ = "_IExtensionEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B909531-FFB8-40B9-A739-18117253BF08}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension\CurVer\ = "FreeWorkz.Extension.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ = "_IExtensionEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ = "IExtension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension.1\CLSID\ = "{D1ECD019-8423-43de-98D1-7892AF2DA309}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\TypeLib\ = "{9B909531-FFB8-40B9-A739-18117253BF08}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FreeWorkz.Extension\ = "FreeWorkz Games"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1ECD019-8423-43de-98D1-7892AF2DA309}\VersionIndependentProgID\ = "FreeWorkz.Extension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6FC29631-F716-47FC-9118-2498F0D788BA}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B7CB41-8A10-4C67-846A-093D8F2B0113}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2196	2756	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\087b54723b266b0cfbf0e77a6d0cf64a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\087b54723b266b0cfbf0e77a6d0cf64a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2196

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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