29a35d0bd104be932254edd48c93d14b4541eb5e8da4c3e0649cb2d194abd39b

Analysis

max time kernel
131s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 18:51

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General

Target

23667262f928978cb1d92e21b4541ed5_JaffaCakes118.dll
Size

159KB
MD5

23667262f928978cb1d92e21b4541ed5
SHA1

c5eaec8a1708390b8e302c649ecdf0f37d3c2965
SHA256

29a35d0bd104be932254edd48c93d14b4541eb5e8da4c3e0649cb2d194abd39b
SHA512

aee2671c30fd088d3f20d84a7e7e0a30cec20e3875c0a8d57d2d76a9a100b42fc8f2f232641e35e55ba8da12f21984622ea64ee9555f5b5bf4d1b91599ab83a7
SSDEEP

3072:k3KOTId49nznGAh+5r861CjuGQTq1eS96mleWCc5CH:2Id4dfK861Cjuu1gmleWT5CH

Score

6^/10

adware 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\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\VersionIndependentProgID\ = "BHO.TttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer\ = "BHO.TttPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\ProgID\ = "BHO.TttPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\23667262f928978cb1d92e21b4541ed5_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ = "ITttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\ = "{92379EF0-EBF8-43AA-B33D-D05008038B36}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ = "ITttPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID\ = "{EBF93111-7A1D-4843-A998-0AFE8FE5F325}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID\ = "{EBF93111-7A1D-4843-A998-0AFE8FE5F325}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\23667262f928978cb1d92e21b4541ed5_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\ = "CTttPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBF93111-7A1D-4843-A998-0AFE8FE5F325}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{92379EF0-EBF8-43AA-B33D-D05008038B36}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9BCCE2C-1787-4F98-A27F-D9A0CD54F9F9}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 2640	3244	regsvr32.exe	82
PID 3244 wrote to memory of 2640	3244	regsvr32.exe	82
PID 3244 wrote to memory of 2640	3244	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\23667262f928978cb1d92e21b4541ed5_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3244
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\23667262f928978cb1d92e21b4541ed5_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2640

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

Replay Monitor

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Downloads

memory/2640-0-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/2640-1-0x00000000011D0000-0x00000000011D2000-memory.dmp

Filesize
8KB

Download