98453e4995cf1209d39ce0a7af2f756f2e05c8584c08104ed2197d0e4076320e

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 13:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1a5fb9e29cd2766ea213adce07964669_JaffaCakes118.dll
Size

36KB
MD5

1a5fb9e29cd2766ea213adce07964669
SHA1

667200f478d150ce189aacfd1fdc6da9c79d9ac9
SHA256

98453e4995cf1209d39ce0a7af2f756f2e05c8584c08104ed2197d0e4076320e
SHA512

430d6b30f512e80a4eeae92b868c1a20cf7f8b77ef4153b16d80d68a63f048937ea97a571439472544b730c99beb32d0ad284877d7b4fba5999556b7a1952cc7
SSDEEP

768:mJMLzNOhLQk2Ptw2i5GXROeN5zOUnDO8bw+pYH0rAv4iV2qyYA:mJMEBefoKO8bw+pI0Mv49YA

Score

6^/10

adware 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

Processes:

regsvr32.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59} regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}	regsvr32.exe

Modifies registry class 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\ = "SunJavaBHOClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\ProgID\ = "SunJavaBHO.SunJavaBHOClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\TypeLib\ = "{8A5EF6F9-6C0C-479B-9108-C5372F09932C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass.1\ = "SunJavaBHOClass Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass\ = "SunJavaBHOClass Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib\ = "{8A5EF6F9-6C0C-479B-9108-C5372F09932C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass.1\CLSID\ = "{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass\CLSID\ = "{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ = "ISunJavaBHOClass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SunJavaBHO.SunJavaBHOClass\CurVer\ = "SunJavaBHO.SunJavaBHOClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a5fb9e29cd2766ea213adce07964669_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ = "ISunJavaBHOClass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\TypeLib\ = "{8A5EF6F9-6C0C-479B-9108-C5372F09932C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\VersionIndependentProgID\ = "SunJavaBHO.SunJavaBHOClass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA3903D-ED12-4764-9F1F-DAD2B0D60B59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a5fb9e29cd2766ea213adce07964669_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A5EF6F9-6C0C-479B-9108-C5372F09932C}\1.0\ = "SunJavaBHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C357A951-3B68-48BD-88E2-5D29F042FA6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe
PID 2852 wrote to memory of 1292	2852	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1a5fb9e29cd2766ea213adce07964669_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1a5fb9e29cd2766ea213adce07964669_JaffaCakes118.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1292

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads