1702dbfb9d5460be67013b9dd85de2306b123b3f1a80bbcbf903ecf745c24fcc

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 01:09

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General

Target
f257224d3726f4136475bc8c20892804_JaffaCakes118.dll
Size 608KB
Sample240416-bhsbhadd39
SHA256 1702dbfb9d5460be67013b9dd85de2306b123b3f1a80bbcbf903ecf745c24fcc
MD5 f257224d3726f4136475bc8c20892804
SHA1 69fefb843c791c9bb9ba03cb62323af144d06f40
SHA512 535fbee0d7c1326e17efc94d19b2dda02f0a13ec4cade4e15334af7e9aa013e9055875a870d936fc9d58ec1660ddd0fdbe8cd65a7e3deb6b02eee48aa4adf65e
SSDEEP 12288:epIt9HX65cspWkY5DARyLuaIg3QaoArdnsQb0W/:eetFXsoB7LGnaoArNb0W
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\{CC01FC6C-C2A4-4147-369B-18823888CE33}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f257224d3726f4136475bc8c20892804_JaffaCakes118.iwc\Clsid\ = "{CC01FC6C-C2A4-4147-369B-18823888CE33}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\ = "iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f257224d3726f4136475bc8c20892804_JaffaCakes118.iwc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f257224d3726f4136475bc8c20892804_JaffaCakes118.iwc\ = "iwc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f257224d3726f4136475bc8c20892804_JaffaCakes118.iwc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\ProgID\ = "f257224d3726f4136475bc8c20892804_JaffaCakes118.iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C2A4-4147-369B-18823888CE33}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f257224d3726f4136475bc8c20892804_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28
PID 2292 wrote to memory of 2252	2292	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f257224d3726f4136475bc8c20892804_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f257224d3726f4136475bc8c20892804_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2252

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/2252-0-0x00000000021E0000-0x000000000227D000-memory.dmp

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