978a32ce8ace0cde32e6969bdcdd7b0d18f9d5a0b91009d6d22bcb61fdc96518

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 09:37

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General

Target

2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.dll
Size

634KB
MD5

2bd84b9ef17d7491b67fb79dec65925c
SHA1

124f8d80a3ce064ec347809c3f2842104f0f573c
SHA256

978a32ce8ace0cde32e6969bdcdd7b0d18f9d5a0b91009d6d22bcb61fdc96518
SHA512

e93897d50c8f780aebd87660987cedba7900e58efc234fad29c9d480e7ccedbb2bdd48e5670783bb8568d4124180c3c3a4cdbb231e8ecebabd5257656f371a85
SSDEEP

12288:3UdtFdMxDsGf7r63P8b5oxP7SMWsXKjwA78335LhR/fO79s:kdTdM3X24oJlfK8y833dhZ

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\{CC01FC6C-9884-4886-F866-31861488D662}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-9884-4886-F866-31861488D662}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-9884-4886-F866-31861488D662}\ProgID\ = "2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31
PID 2044 wrote to memory of 2120	2044	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2bd84b9ef17d7491b67fb79dec65925c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2120

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/2120-0-0x00000000002A0000-0x0000000000343000-memory.dmp

Filesize
652KB

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