0a8548d4ca2c04d6857d1295755443e293c30dce60a0862f5c8ccbbb8a51bded

Analysis

max time kernel
136s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 19:39

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General

Target

8764df5570456b77e31a7583776196e1_JaffaCakes118.dll
Size

82KB
MD5

8764df5570456b77e31a7583776196e1
SHA1

9fc4671a4ec50e3943e77616a1346a29d036c4ed
SHA256

0a8548d4ca2c04d6857d1295755443e293c30dce60a0862f5c8ccbbb8a51bded
SHA512

13c41318391a9c87005baff4f7bf5ad2f96f1e385f2682a5f0f470e05c98e15c0d2145d15322ab1975408390ac365ceb40256f50beff7093fd4561566746ae4f
SSDEEP

1536:MdqDKV0khgjTxhW5SDzj2c8LDvNb3aQ3Vdq9:MdqDw0KehwSDdKTJaQldq9

Score

6^/10

adware discovery 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\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib\ = "{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8764df5570456b77e31a7583776196e1_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib\ = "{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7F235922-8F2C-4C08-83A8-BBE01BF9CC64}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8764DF~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7F23592B-8F2C-4C08-83A8-BBE01BF9CC64}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7F23592C-8F2C-4C08-83A8-BBE01BF9CC64}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 4504	3996	regsvr32.exe	83
PID 3996 wrote to memory of 4504	3996	regsvr32.exe	83
PID 3996 wrote to memory of 4504	3996	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8764df5570456b77e31a7583776196e1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8764df5570456b77e31a7583776196e1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4504

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4504-0-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download
memory/4504-1-0x0000000010007000-0x0000000010009000-memory.dmp

Filesize
8KB

Download