4ed93039228c4ea34569ce4ffa6bb54684be71dc8ab0cd5abcef7b56b8425749

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 19:03

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General

Target

29489a12e74887aff66df2e78dbc75c0_JaffaCakes118.dll
Size

60KB
MD5

29489a12e74887aff66df2e78dbc75c0
SHA1

ef82ad70ea5adda9d8b6638355df23dd8737b6e0
SHA256

4ed93039228c4ea34569ce4ffa6bb54684be71dc8ab0cd5abcef7b56b8425749
SHA512

ac64f0d0fb0dd99056fad806fcc812cc7af0b9f44abac597841e9cd04489c87f53d6d84f3728e960d4d552db0937e8553206f5157c4121df61b038155f858804
SSDEEP

768:7L/gr2STCLZq86d9+h6R3muDuHsfqNkhY5K9dEmpyzaZGs:X/E2STIq9+amuhfvvgmMaws

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\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\29489a12e74887aff66df2e78dbc75c0_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ = "IMSUSER"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ = "MSUSER Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\29489a12e74887aff66df2e78dbc75c0_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\ = "MSUSER Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CLSID\ = "{8D4D2F69-DF30-4471-988C-CC58545E86C8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\CurVer\ = "MSHELP.MSUSER.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSHELP.MSUSER\ = "MSUSER Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47ADDC5F-EA71-4766-9994-155CE2095A2E}\TypeLib\ = "{C33A35F6-CBB2-4FF5-B029-27E495C5516A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\ProgID\ = "MSHELP.MSUSER.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\ = "MSHELP 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8D4D2F69-DF30-4471-988C-CC58545E86C8}\VersionIndependentProgID\ = "MSHELP.MSUSER"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C33A35F6-CBB2-4FF5-B029-27E495C5516A}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2156	2672	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\29489a12e74887aff66df2e78dbc75c0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\29489a12e74887aff66df2e78dbc75c0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2156

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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