ab2811d371e3eff518f7d6fabfcfedab6f6c9da7b940141ebb3835dfcabaa6b5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 15:17

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General

Target

f64ab9e2fe61eb4acb1191c678ac2be6_JaffaCakes118.dll
Size

232KB
MD5

f64ab9e2fe61eb4acb1191c678ac2be6
SHA1

876c595bf4943c18b7f0098da7e99127acfd8f3b
SHA256

ab2811d371e3eff518f7d6fabfcfedab6f6c9da7b940141ebb3835dfcabaa6b5
SHA512

a4c4ab1b9c58d8242f068dbe53d49e482a231b6950f379274ce48eb7dd5a33c9112268c4a3afcc0742bf4c44b13714dce4dc626e9a99be109fc5608309ed3440
SSDEEP

3072:/KqHQSo3LGWt/TaGZZlMnCAWXycEeotSBinQG9NYe385dtYKR47cwXaPQdEo/7:fHQSi7/JzMCAWicr4Lue3NKQcwqKn7

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\{6C877222-D875-4ABA-9798-648E8BEBCD3C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6C877222-D875-4ABA-9798-648E8BEBCD3C}\ = "QQHelper Class"	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\{6C877222-D875-4ABA-9798-648E8BEBCD3C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6C877222-D875-4ABA-9798-648E8BEBCD3C}\ = "QQHelper Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6C877222-D875-4ABA-9798-648E8BEBCD3C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6C877222-D875-4ABA-9798-648E8BEBCD3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f64ab9e2fe61eb4acb1191c678ac2be6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6C877222-D875-4ABA-9798-648E8BEBCD3C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30
PID 1992 wrote to memory of 2292	1992	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f64ab9e2fe61eb4acb1191c678ac2be6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f64ab9e2fe61eb4acb1191c678ac2be6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2292

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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