4ce660a083cf2766bbc034117fa11795da909dc62d22191fd5453b8ba15831fd

Analysis

max time kernel
128s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 12:16

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General

Target

1b450b5a4536b9f121804ecd9bde06a8_JaffaCakes118.dll
Size

92KB
MD5

1b450b5a4536b9f121804ecd9bde06a8
SHA1

b5c9573cf313234cedc121c7494fadd5b93baea9
SHA256

4ce660a083cf2766bbc034117fa11795da909dc62d22191fd5453b8ba15831fd
SHA512

efd574cc597482cfe4efd9ae254acf82279cc1a8a46308b133db6c867c72c9d26668689cf9b2cfda957aa7202f047065398d36a539b04069536ea894f5bb75a8
SSDEEP

1536:Qi9Xz0s1utT7H1GEY2PkLJ9Xe1qAW38htBola3Vn525M3LW9QVJcA:Qi9RutTpGP2PE6/htula3DL3C9QVJcA

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DF5EF25D-1120-2020-B63D-34D18AA79942}\ = "windowsmedia v2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DF5EF25D-1120-2020-B63D-34D18AA79942}	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\TypeLib\ = "{6173378F-611E-401b-AAB3-A197DF144470}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CurVer\ = "windowsmedia v2.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\ProgID\ = "windowsmedia v2.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\ = "windowsmedia v2 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\ = "windowsmedia v2 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1\ = "windowsmedia v2 Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b450b5a4536b9f121804ecd9bde06a8_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CLSID\ = "{DF5EF25D-1120-2020-B63D-34D18AA79942}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\ = "Microsoft windowsMediaPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1B450B~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ = "IIECatch"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\VersionIndependentProgID\ = "windowsmedia v2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib\ = "{6173378F-611E-401B-AAB3-A197DF144470}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1\CLSID\ = "{DF5EF25D-1120-2020-B63D-34D18AA79942}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\ = "windowsmedia v2 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib\ = "{6173378F-611E-401B-AAB3-A197DF144470}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-1120-2020-B63D-34D18AA79942}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b450b5a4536b9f121804ecd9bde06a8_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ = "IIECatch"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 3784	1360	regsvr32.exe	85
PID 1360 wrote to memory of 3784	1360	regsvr32.exe	85
PID 1360 wrote to memory of 3784	1360	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b450b5a4536b9f121804ecd9bde06a8_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1b450b5a4536b9f121804ecd9bde06a8_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3784

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/3784-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

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