9e15d2bb411d11d52208008ac6df9d50e8d1a3cc983a79c3700b67a626c56329

Analysis

max time kernel
147s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 23:50

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General

Target
e8ba6945fdcf0239135d36c97d82283c_JaffaCakes118.dll
Size 212KB
Sample240408-3vxwasfe68
SHA256 9e15d2bb411d11d52208008ac6df9d50e8d1a3cc983a79c3700b67a626c56329
MD5 e8ba6945fdcf0239135d36c97d82283c
SHA1 45055a0666be03a426e05da4e173547abeb0f144
SHA512 2304ca7975e7ecda98a9943091f08a6ce5894d40b3443fcf946e0ede60f8aff676038dab06ca6de65267f5301f688421ecb803ef096cd2a85027ac052756248e
SSDEEP 3072:SbsnnuMExQpyZS+ktBhbGfRD9aOJi/wtKIBA+53xPNjlKHBAu:6sAPEGCN/wEyPNshF
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\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}	regsvr32.exe

Modifies registry class 37 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\ = "MyHelper2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject\CurVer\ = "MyHelper2.MyObject.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\MyHelper2.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject\CLSID\ = "{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\VersionIndependentProgID\ = "MyHelper2.MyObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\ = "MyHelper2 1.0 Çü½Ä ¶óÀÌºê·¯¸®"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8ba6945fdcf0239135d36c97d82283c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject.1\CLSID\ = "{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\AppID = "{A8892BDD-1381-4908-8AA2-625C69BAC4FF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\ = "CMyObject Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\ProgID\ = "MyHelper2.MyObject.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8ba6945fdcf0239135d36c97d82283c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\MyHelper2.DLL\AppID = "{A8892BDD-1381-4908-8AA2-625C69BAC4FF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject.1\ = "CMyObject Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{A8892BDD-1381-4908-8AA2-625C69BAC4FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject\ = "CMyObject Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B6AFC47-8542-4E53-AF99-850FDC2BFF00}\TypeLib\ = "{A8892BDD-1381-4908-8AA2-625C69BAC4FF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MyHelper2.MyObject\CurVer	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3376	4000	regsvr32.exe	84
PID 4000 wrote to memory of 3376	4000	regsvr32.exe	84
PID 4000 wrote to memory of 3376	4000	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e8ba6945fdcf0239135d36c97d82283c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e8ba6945fdcf0239135d36c97d82283c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3376

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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