d1eac348b38bd635604dcb7d73ba3dfa725dd4f430b9e343f66b10d30a256042

General

Target

d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll
Size

15KB
MD5

d09ba8ce003d53d734ee42c470b4958a
SHA1

69b25869843be992d8c33f9b8e5e2a56b3a74729
SHA256

d1eac348b38bd635604dcb7d73ba3dfa725dd4f430b9e343f66b10d30a256042
SHA512

d5368f9dfa3a7a626eb0e529f066fd52780956d769d6e8db3100e7f0b11b06997a9e4bc947b5703e8b5834ed3115a82885707389e1f38a8509542b166c4294ef
SSDEEP

192:A5MU1pUhw9SexAfzfnNF0xkvhJrVfaLtKVje3BWILJjusM1YUKl62sCrdEdGzo:4MEgPNzJpotKVOkIL9FMmBU2sCr20

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{12c7290a-157b-4f43-b109-97e792c598ed}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{12c7290a-157b-4f43-b109-97e792c598ed}\NoExplorer = "1"	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 22 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ = "WinGDI Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ProgID\ = "WinGDIApp.WinGDI.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\CLSID\ = "{12c7290a-157b-4f43-b109-97e792c598ed}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\ = "WinGDI Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CLSID\ = "{12c7290a-157b-4f43-b109-97e792c598ed}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\VersionIndependentProgID\ = "WinGDIApp.WinGDI"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\ = "WinGDI Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\TypeLib\ = "{8a10fc9b-8d76-4e95-a9be-acda2f665c30}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CurVer\ = "WinGDIApp.WinGDI.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30
PID 2112 wrote to memory of 2856	2112	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2856-0-0x0000000010003000-0x0000000010006000-memory.dmp

Filesize
12KB

Download
memory/2856-1-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/2856-2-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

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