de3ed3b9a397bdb49281baec5fb6b3ba89d3c9b10b5f0d6076d235cb9b498825

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 13:45

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General

Target

08dcfc8a3b7a47627c6c43e13d8b4ca4_JaffaCakes118.dll
Size

69KB
MD5

08dcfc8a3b7a47627c6c43e13d8b4ca4
SHA1

c831c528b4a41a95a33e6864bea4733216758304
SHA256

de3ed3b9a397bdb49281baec5fb6b3ba89d3c9b10b5f0d6076d235cb9b498825
SHA512

95962bda78fde815e72c1de60913445a3676a4ea99ea352b8ae8b8f63b071b0f9c456e8d29dfce66c87dfc0cb1ec0ed72ab7b440dc66d065062a4c08ec655dae
SSDEEP

1536:BCoq8cH3D0XbshgU/2bSi97v8s1SgExqtsom+:7q8Q0Iyk2Gi9hSdxqGom+

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\{DF5EF25D-1001-0127-B63D-22D18AA79915}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{DF5EF25D-1001-0127-B63D-22D18AA79915}\ = "windowsmedia v2"	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
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\v2\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CLSID\ = "{DF5EF25D-1001-0127-B63D-22D18AA79915}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\TypeLib	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\InprocServer32\ThreadingModel = "Apartment"	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\\08DCFC~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\ = "windowsmedia v2 Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2\CurVer\ = "windowsmedia v2.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1\CLSID\ = "{DF5EF25D-1001-0127-B63D-22D18AA79915}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\08dcfc8a3b7a47627c6c43e13d8b4ca4_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\VersionIndependentProgID	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\v2\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\ = "Microsoft WindowsMediaPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}	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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\TypeLib\ = "{6173378F-611E-401b-AAB3-A197DF144470}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\ProgID\ = "windowsmedia v2.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\Version\ = "1.0"	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\\08dcfc8a3b7a47627c6c43e13d8b4ca4_JaffaCakes118.dll"	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\v2.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\ = "windowsmedia v2 Class"	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\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\VersionIndependentProgID\ = "windowsmedia v2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DF5EF25D-1001-0127-B63D-22D18AA79915}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2	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\TypeLib\{6173378F-611E-401B-AAB3-A197DF144470}\1.0\0	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1\ = "windowsmedia v2 Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\v2.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ = "IIECatch"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6D5CDD2-63FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28
PID 2036 wrote to memory of 2900	2036	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\08dcfc8a3b7a47627c6c43e13d8b4ca4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\08dcfc8a3b7a47627c6c43e13d8b4ca4_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2900

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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