91d11314acbffdfe7b20a932c2c11d649a1268d7402a67444f08191929760cf5

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 11:08

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General

Target

1770097181ef26f983e1b977db1d0068_JaffaCakes118.dll
Size

133KB
MD5

1770097181ef26f983e1b977db1d0068
SHA1

3a731c05fdc28f9f00fa0e8c879eb1074ea9b90b
SHA256

91d11314acbffdfe7b20a932c2c11d649a1268d7402a67444f08191929760cf5
SHA512

94b6b9de61825c6e74f62468ffe3e4382cc529021597ed00ea8c51a1e085093b7624a47e036590f3a3cf6289d17c06fe6ac7af2c2061afd33db566fd210ed748
SSDEEP

1536:SPyGnoS9s4hQO2OH09HKZ5QlIS3TlGwYfuH1yUcLsBRkBrb:yy79tOH09H456jQs1yUcoBir

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\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\ = "{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\ = "{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{34CF11D2-ACC7-4DE6-BBB8-5FBE05BEE24A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1770097181ef26f983e1b977db1d0068_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{34CF11D8-ACC7-4DE6-BBB8-5FBE05BEE24A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1770097181ef26f983e1b977db1d0068_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34CF11D1-ACC7-4DE6-BBB8-5FBE05BEE24A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1392	regsvr32.exe
1392	regsvr32.exe
1392	regsvr32.exe
1392	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1392	1788	regsvr32.exe	82
PID 1788 wrote to memory of 1392	1788	regsvr32.exe	82
PID 1788 wrote to memory of 1392	1788	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1770097181ef26f983e1b977db1d0068_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1770097181ef26f983e1b977db1d0068_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1392

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/1392-0-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

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