42e0d68527eea82739c6343efb3f85fa9af86824d6bc97880459639ae30154f1

Analysis

max time kernel
93s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:29

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General

Target

ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.dll
Size

562KB
MD5

ea8094b96dadd73bb8bab725f27d0f0b
SHA1

3c1f87cde114db0a30fdb27bf4539a171bd19b76
SHA256

42e0d68527eea82739c6343efb3f85fa9af86824d6bc97880459639ae30154f1
SHA512

4df686b6bdb1c73b436621b25be113d906a2f2dcc923982cc75b6aa22768687d3f225eaba08fb863e4de97af6a2dc75f055ba949b0c2bbd532356f0eca80b238
SSDEEP

12288:k0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnfjm+7R9:stWDcw4o4Ts/9CknLhR

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-5558-26C9-B5BA-8B3573AF2758}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\ProgID\ = "ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.sh\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-5558-26C9-B5BA-8B3573AF2758}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 400	3136	regsvr32.exe	82
PID 3136 wrote to memory of 400	3136	regsvr32.exe	82
PID 3136 wrote to memory of 400	3136	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ea8094b96dadd73bb8bab725f27d0f0b_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:400

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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