0668c13a84ee6e5e614a221904856616844edb95fe222924bc05d54e6951639f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 14:55

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General

Target

0f3fb721bc2064c46221dc24b631cafb_JaffaCakes118.dll
Size

28KB
MD5

0f3fb721bc2064c46221dc24b631cafb
SHA1

afbe97a2096aa691c9724287c6460c0a3ce45dc4
SHA256

0668c13a84ee6e5e614a221904856616844edb95fe222924bc05d54e6951639f
SHA512

4c66b5709a884225cec04a5b68074efe585a539a1a47b86aa997cf941b56069a81acf8f5134169c2faa5a23d393bae6a6fb56403e7d62fb9fc9b3044d3a14a44
SSDEEP

384:ZatHuNRSZ6ZMoSxmpgfbsBar9/kfHsOAPBE:kHuNR3ZMTmpgfbaaZ/kEOAPBE

Score

6^/10

adware discovery 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\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ = "IBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ProgID\ = "CkBHO.BHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CLSID\ = "{8744DB13-A027-4F73-9F16-DBF9AE1563FD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f3fb721bc2064c46221dc24b631cafb_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ = "IBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f3fb721bc2064c46221dc24b631cafb_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\CLSID\ = "{8744DB13-A027-4F73-9F16-DBF9AE1563FD}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\ = "CkBHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CurVer\ = "CkBHO.BHO.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\VersionIndependentProgID\ = "CkBHO.BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28
PID 2248 wrote to memory of 2244	2248	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f3fb721bc2064c46221dc24b631cafb_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0f3fb721bc2064c46221dc24b631cafb_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2244

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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