65ca1cb993f21b1513e8acda6a8331213b5760b16c9058935b8bfdad1b2e29e2

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 22:22

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General

Target

43923606685ba291370054249ee24e7d_JaffaCakes118.dll
Size

14KB
MD5

43923606685ba291370054249ee24e7d
SHA1

5c2cd2a37644e91ecc5958a21cf8b0a3516443c1
SHA256

65ca1cb993f21b1513e8acda6a8331213b5760b16c9058935b8bfdad1b2e29e2
SHA512

5d87729c84ffa14c1a104843dc9e8fdd09d00625e2b4f7ec480da00e60f0aee0d8048c5e832fbff8d08b5e950b13b112e5b9290e3fc47688846c9d40427d74ab
SSDEEP

192:v4V32SkKvw+djaU8XpsVSgRP9QELCbQN6xcveIQZaNERt27FDVFVzMUFA:vIuKF5JuOVSilh/NBve1Zo4tGDVTg

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\{C5AF42A3-94F3-42BD-F634-3604832C897D}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\43923606685ba291370054249ee24e7d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\43923606685ba291370054249ee24e7d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C5AF42A3-94F3-42BD-F634-3604832C897D}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2408	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30
PID 2360 wrote to memory of 2408	2360	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\43923606685ba291370054249ee24e7d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\43923606685ba291370054249ee24e7d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2408

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/2408-1-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2408-0-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/2408-2-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download