3d914214676f4a58ba22e36fb396d214fb42f17d3fbb841a62c6a68c4322712f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 08:14

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General

Target

21a9edaa57dc7581892ab684d1524375_JaffaCakes118.dll
Size

14KB
MD5

21a9edaa57dc7581892ab684d1524375
SHA1

a7302ff2194f75272be69caae23de6a65098033c
SHA256

3d914214676f4a58ba22e36fb396d214fb42f17d3fbb841a62c6a68c4322712f
SHA512

3d4da8ce3e8d7daf8bb0eee09f8d449874d5d0646a69a012559fb3ef446e30ec4e53edb2830ecbf1c3e5cd194372624d919302a3feaf0bb7a71686a615eb5809
SSDEEP

192:HpQovLOXcYuAJGc9su0GcviOxkFTKiUVm/A7+470JwYnzqBA:J5ysfAJ9euevsFTyM

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C5BF49A2-94F3-42BD-F434-3604812C8955}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21a9edaa57dc7581892ab684d1524375_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C8955}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21a9edaa57dc7581892ab684d1524375_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2480	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2480	2408	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\21a9edaa57dc7581892ab684d1524375_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\21a9edaa57dc7581892ab684d1524375_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2480

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/2480-0-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/2480-1-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download