476e85f6b774a7a260dceafc5f22c94586a0afe0329358bad0ba2d4f17b75b4f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 20:18

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General

Target

1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.dll
Size

634KB
MD5

1c5bbe46bb0ecce160c1a3fbbd6be2f1
SHA1

3c20474a1fd87d85a328b565d961bab13828daad
SHA256

476e85f6b774a7a260dceafc5f22c94586a0afe0329358bad0ba2d4f17b75b4f
SHA512

7fd04f745a812038e34db73d9a80339c987a1be8f40493bc6efb0f44244c6d266435d7fed0564270e001fa11b32d90176d2bafd4e98f837ba4591e3916cd7c63
SSDEEP

12288:1M0t9FNcxDMmfrLAF8rZIRf2MmsXaHeF1/Ehf/fO79s:jtjNcXnVInvaHerMhf

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-4B44-B888-E24F-5139C8F45FD3}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\ProgID\ = "1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-4B44-B888-E24F-5139C8F45FD3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28
PID 2420 wrote to memory of 2144	2420	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c5bbe46bb0ecce160c1a3fbbd6be2f1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2144

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/2144-0-0x0000000000960000-0x0000000000A04000-memory.dmp

Filesize
656KB

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