cfa3e8c798a6eebeac546154589373265c9962eaa944524d3c4506016226246a

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 10:46

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General

Target

77e91bbe73043258ccb22cf5cb98fbf4_JaffaCakes118.dll
Size

75KB
MD5

77e91bbe73043258ccb22cf5cb98fbf4
SHA1

2a18e37560db347d2236be804bac173cd7340725
SHA256

cfa3e8c798a6eebeac546154589373265c9962eaa944524d3c4506016226246a
SHA512

c560eb116bb6557fa7d7a6d9de1b0a130df180b49d4f3f6267634c623cbd2e4edf260681c9d0d610134c0fdf4fcf8876786615e7850b8a382e25030243b7384e
SSDEEP

1536:DnKUxbtz3FI3S1Zw0stLXMGDUaIm3lmKGjCDUNWUAFRM:bKsbtq0uLXMG4aJ3lmKG3N02

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{8FF40C83-9F3A-449C-8874-4C867931D5EA}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\NoExplorer = "1"	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\IE.IEE.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE.1\ = "IE°²È«ÅäÖÃ"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE.1\CLSID\ = "{8FF40C83-9F3A-449C-8874-4C867931D5EA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\VersionIndependentProgID\ = "Internet Explorer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ = "IIEE"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\77e91bbe73043258ccb22cf5cb98fbf4_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib\ = "{45B61015-F730-4484-9452-0D800818F045}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE\ = "IE°²È«ÅäÖÃ"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE\CLSID\ = "{8FF40C83-9F3A-449C-8874-4C867931D5EA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\TypeLib\ = "{45B61015-F730-4484-9452-0D800818F045}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\77e91bbe73043258ccb22cf5cb98fbf4_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ = "IIEE"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE\CurVer\ = "Internet Explorer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\ProgID\ = "Internet Explorer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib\ = "{45B61015-F730-4484-9452-0D800818F045}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE.IEE	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FF40C83-9F3A-449C-8874-4C867931D5EA}\ = "IE°²È«ÅäÖÃ"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45B61015-F730-4484-9452-0D800818F045}\1.0\ = "IE 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{920F3150-6268-47EC-9A10-9AB3C21D41F5}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29
PID 2388 wrote to memory of 3068	2388	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\77e91bbe73043258ccb22cf5cb98fbf4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\77e91bbe73043258ccb22cf5cb98fbf4_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3068

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

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Downloads

memory/3068-0-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3068-1-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download