c6dc7c747957db7961d47ee7d224c364f434b4e130a8753fa7e8c8e829a6b580

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 09:04

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General

Target

12b26c5685c100b7647b1f2802f6505e_JaffaCakes118.dll
Size

41KB
MD5

12b26c5685c100b7647b1f2802f6505e
SHA1

0baafef541fb2045445e81e23872cf805d4f013c
SHA256

c6dc7c747957db7961d47ee7d224c364f434b4e130a8753fa7e8c8e829a6b580
SHA512

cfc4e8e519859a9e9c2a66ce43a05949e986fea8d7f3a1672e4dc0130f79b1bdd1f4d784883363770301781a6a04991a8d3552ad4e50e5c84338342b573f80b8
SSDEEP

768:4gTrL1xJddyW9QtPW1pVHkmTHzHtCo9+QDbUGTs:4S/JGUQtPWhEmTHzHAo4QDbUGTs

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\{B85BB239-F685-4547-B0AC-E8835CD8ED24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ = "OneSecurity"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\CLSID\ = "{B85BB239-F685-4547-B0AC-E8835CD8ED24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\VersionIndependentProgID\ = "OneSecurity.IESecurity"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\12b26c5685c100b7647b1f2802f6505e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ProgID\ = "OneSecurity.IESecurity.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\ = "SpywareNo IE Security 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CLSID\ = "{B85BB239-F685-4547-B0AC-E8835CD8ED24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\12b26c5685c100b7647b1f2802f6505e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ = "IGopher"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CurVer\ = "OneSecurity.IESecurity.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ = "IGopher"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\ = "One Security IE Security Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ = "One Security IE Security Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\ = "One Security IE Security Class"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3288	4820	regsvr32.exe	82
PID 4820 wrote to memory of 3288	4820	regsvr32.exe	82
PID 4820 wrote to memory of 3288	4820	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\12b26c5685c100b7647b1f2802f6505e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\12b26c5685c100b7647b1f2802f6505e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3288

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/3288-1-0x0000000010001000-0x0000000010002000-memory.dmp

Filesize
4KB

Download
memory/3288-0-0x0000000010000000-0x0000000010207000-memory.dmp

Filesize
2.0MB

Download