94dc097e4fbc538864b986c7f9d853ef9e63c75e88d0d45a387abbc12997f46f

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 16:59

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General

Target
0800852c4a58c63f9ec4f07b913eb797_JaffaCakes118.dll
Size 274KB
Sample240620-vhsf2syajd
SHA256 94dc097e4fbc538864b986c7f9d853ef9e63c75e88d0d45a387abbc12997f46f
MD5 0800852c4a58c63f9ec4f07b913eb797
SHA1 6cff2d7e5b1c123e29af1e02190b0719b4332594
SHA512 0a7082a8083675915f6a92e3465d7d344de18f4653d02865d231ad1a80b3b7d5d55169edd3aa0cc605914d3c3c642dbd7dabe08ff62731fb9d94dd555c208c17
SSDEEP 6144:Yyv0cwaQvV6Qpul0ovARxFTLw7PnNXkhijHjU/Lond:YA0Ft64udoRzQLUjond
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFC57DB-1DE3-4303-B24D-CEE6DCDD3D86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0800852c4a58c63f9ec4f07b913eb797_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 4788	1052	regsvr32.exe	82
PID 1052 wrote to memory of 4788	1052	regsvr32.exe	82
PID 1052 wrote to memory of 4788	1052	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0800852c4a58c63f9ec4f07b913eb797_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0800852c4a58c63f9ec4f07b913eb797_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4788

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4788-1-0x0000000002CF0000-0x0000000002E42000-memory.dmp

Download

memory/4788-0-0x0000000002CF0000-0x0000000002E42000-memory.dmp