7b5952969cc7a103f6cfc00a9105b9b8b8fdd6fe1fe9c63022cb5eb813788abe

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 17:46

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General

Target

a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.dll
Size

635KB
MD5

a3845827cc2bb7ba91bf9581c0c1322c
SHA1

ac69b1c3bf8f3bc9b34fb0b6fa768182b3658147
SHA256

7b5952969cc7a103f6cfc00a9105b9b8b8fdd6fe1fe9c63022cb5eb813788abe
SHA512

346457f310959767a4d8778384d1428ffb45cfe3e425f954b2d21d5d85a28c4074c6b8c8194f3995e550dd7dc1ebc1c249ca43059089c62ce42658711e494323
SSDEEP

12288:wM0t9FNcxDMmfrLAF8rZIRf2MmsXax7b0h3/fO79s:wtjNcXnVInvatwhn

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\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}	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 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\ProgID\ = "a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-9C82-9BCC-71D7-2998782E688C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9C82-9BCC-71D7-2998782E688C}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 2640	636	regsvr32.exe	84
PID 636 wrote to memory of 2640	636	regsvr32.exe	84
PID 636 wrote to memory of 2640	636	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a3845827cc2bb7ba91bf9581c0c1322c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2640

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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