0293399c244d6802969df4346f63b163a7a5aa032f23903849c90db89921ccec

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 01:33

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General

Target

721578285fd70ac503065b3a7e302b1e_JaffaCakes118.dll
Size

28KB
MD5

721578285fd70ac503065b3a7e302b1e
SHA1

eee7ce22b3d4739e7bb9b3df0b411a723950dd16
SHA256

0293399c244d6802969df4346f63b163a7a5aa032f23903849c90db89921ccec
SHA512

98ba2134befebe14c340d8ed15cb831942222f519716921e8e32b2350fabb7dce0eaf6d0e53796d2f7dc828bea3f65da745af0617d8a0be3f44da2094a45bf0f
SSDEEP

192:FlO+NYNKpNMtz76pP6pYC0WG4wARuFLLuvEvrAW6a7jjC0DQSYg1LV:pWJtzGfC0PARcLkEvIa73yO1

Score

6^/10

adware discovery 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\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}	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 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer\ = "Thunder.xunlei.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\721578285fd70ac503065b3a7e302b1e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\VersionIndependentProgID\ = "Thunder.xunlei"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\TypeLib\ = "{97EFC6B7-C73A-423E-8458-82C589CA7E3B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\721578285fd70ac503065b3a7e302b1e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\CLSID\ = "{31F741FC-9E69-CC48-2D39-23AEC607BEFE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{97EFC6B7-C73A-423E-8458-82C589CA7E3B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei.1\ = "xunlei Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\ = "Thunder 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID\ = "{31F741FC-9E69-CC48-2D39-23AEC607BEFE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{97EFC6B7-C73A-423E-8458-82C589CA7E3B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ = "Ixunlei"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Thunder.xunlei\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\ProgID\ = "Thunder.xunlei.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31F741FC-9E69-CC48-2D39-23AEC607BEFE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\ = "{97EFC6B7-C73A-423E-8458-82C589CA7E3B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{11D9AE74-3FC1-41D6-911B-F5F503BBD8FE}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 3256	2144	regsvr32.exe	83
PID 2144 wrote to memory of 3256	2144	regsvr32.exe	83
PID 2144 wrote to memory of 3256	2144	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\721578285fd70ac503065b3a7e302b1e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\721578285fd70ac503065b3a7e302b1e_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

Windows 7 deprecation

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