aec66a63152ff83299d113bc8d956ad245460a1faf71cf99f1556649a470dec4

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 10:12

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General

Target

29e9670fdec14e22b3d32571604d5f2b_JaffaCakes118.dll
Size

55KB
MD5

29e9670fdec14e22b3d32571604d5f2b
SHA1

af04e4af9f6afcbf018992f95b726cc077e0c16f
SHA256

aec66a63152ff83299d113bc8d956ad245460a1faf71cf99f1556649a470dec4
SHA512

98a8eaa121140437373a974b6844a9ee7fd1422d727894fd58f3935190263382d7269e04187a26db9f1b032c30bd77784a546f91d255b1284071f1f2ae5842f3
SSDEEP

768:4g7iELYUxnCA3Z/qriL2Wfkhwjq7MKmlJh/hacnFRHfIiIKLD1zEp8kAqm2RwWA:4geEL3NpyEsX7vmlJnLHAiIK/JU8d2Rm

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\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID\ = "{BA1B62CC-6D79-4901-B6A2-409F98906E9D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\VersionIndependentProgID\ = "BHO.FffPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\29e9670fdec14e22b3d32571604d5f2b_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID\ = "{BA1B62CC-6D79-4901-B6A2-409F98906E9D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\ = "CFffPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\TypeLib\ = "{F914606B-7622-4364-9FCA-889F50C497D8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib\ = "{F914606B-7622-4364-9FCA-889F50C497D8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ = "IFffPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ = "IFffPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\29e9670fdec14e22b3d32571604d5f2b_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\ = "CFffPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\TypeLib\ = "{F914606B-7622-4364-9FCA-889F50C497D8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\ProgID\ = "BHO.FffPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F914606B-7622-4364-9FCA-889F50C497D8}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5BFA0DF5-865F-48CC-9D0C-377036D38208}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BA1B62CC-6D79-4901-B6A2-409F98906E9D}\VersionIndependentProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 4556	1620	regsvr32.exe	82
PID 1620 wrote to memory of 4556	1620	regsvr32.exe	82
PID 1620 wrote to memory of 4556	1620	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\29e9670fdec14e22b3d32571604d5f2b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\29e9670fdec14e22b3d32571604d5f2b_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4556

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

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Downloads

memory/4556-1-0x00000000008C0000-0x00000000008C2000-memory.dmp

Filesize
8KB

Download
memory/4556-0-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download