7ffea1f61a3419f8cb84787f5f3c1587fef4cb1077aca2de7d7148243e8c7bd5

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 06:44

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General

Target

4654a100cda99638d0a3cbb1b00ad4f5_JaffaCakes118.dll
Size

367KB
MD5

4654a100cda99638d0a3cbb1b00ad4f5
SHA1

c367c345ff91ce28a32c35c51cec913566862fd7
SHA256

7ffea1f61a3419f8cb84787f5f3c1587fef4cb1077aca2de7d7148243e8c7bd5
SHA512

20fa74f4e5799b61d77463bd85b48f31f79e42fe4ab13d45f91620901af0442673aae9f8aece6d6aaef16f16ce0c30305246e03db734623bd5b6399a60167822
SSDEEP

6144:8lMPEAtkSvXvhfKQKkVRQ9EDAkS7yfUmLw4/1awTBkOPuQFojbtggcNN:8lEEQXvJK6KzX7yfLowTeOPuQoYNN

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\{b2c67440-315b-0125-46c1-e77fe401983d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b2c67440-315b-0125-46c1-e77fe401983d}\NoExplorer = "\"\""	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 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b2c67440-315b-0125-46c1-e77fe401983d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b2c67440-315b-0125-46c1-e77fe401983d}\ = "adservefast"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b2c67440-315b-0125-46c1-e77fe401983d}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b2c67440-315b-0125-46c1-e77fe401983d}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4654a100cda99638d0a3cbb1b00ad4f5_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b2c67440-315b-0125-46c1-e77fe401983d}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30
PID 1520 wrote to memory of 2376	1520	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4654a100cda99638d0a3cbb1b00ad4f5_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4654a100cda99638d0a3cbb1b00ad4f5_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2376

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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