bd73bf5f69e0a52aa39661e35026af4a725a5e8a8b479f2f9a6f589eb61b0668

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 01:11

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General

Target

3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.dll
Size

608KB
MD5

3b721d8bd44daaf91c87e838e8dfc9aa
SHA1

8f731627c0a0b457da1470376fc327a26464b6f5
SHA256

bd73bf5f69e0a52aa39661e35026af4a725a5e8a8b479f2f9a6f589eb61b0668
SHA512

8d3ed0667bb3709cb037aaae3738e61dbb6d5be95867f7f90db7fdfe9cb72ca1edb097ae501c2b59f3fe766dd76c9c880b699429aaafef361d122c416c6c85bc
SSDEEP

12288:wpIt9HX65cspWkY5DARyLuaIg3QaoSrdnsJC0Y/:wetFXsoB7LGnaoSrsC0Y

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-B998-D6DC-B1B3-EFCE524F36C8}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.iwc\ = "iwc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\ProgID\ = "3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\ = "iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.iwc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.iwc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.iwc\Clsid\ = "{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-B998-D6DC-B1B3-EFCE524F36C8}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30
PID 2688 wrote to memory of 2744	2688	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3b721d8bd44daaf91c87e838e8dfc9aa_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2744

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/2744-0-0x0000000002190000-0x000000000222D000-memory.dmp

Filesize
628KB

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