c1e109d1057da99dca458ae9c4d7f4fceece51fe3b66bbd37f4bffd3d7f366ec

Analysis

max time kernel
136s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 10:34

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General

Target

a671c66a5ff1be08bf1233d1480be387_JaffaCakes118.dll
Size

220KB
MD5

a671c66a5ff1be08bf1233d1480be387
SHA1

7c1ddce77163bde1e9d33733f6e9d928e54e2945
SHA256

c1e109d1057da99dca458ae9c4d7f4fceece51fe3b66bbd37f4bffd3d7f366ec
SHA512

28f73862ddd542106d5249facfca3db7460214f14c04e3b11418520ef71b7ea0232f587f2a43ecf38258aaf75ef7bdc42b3bacd837e18f3c1f1df2fd93caa52a
SSDEEP

3072:pLEq45HKyQWze1YUgurS0P2pD9XU9vw9UaVhoGiUUF21L/igptmA:pIq45EWzeCyS0PI9E9ghuRQFig6

Score

6^/10

adware discovery 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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}	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 56 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib\ = "{363846B2-AEE5-47B1-8B32-9356DCCE91CA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\ = "QXK Rhythm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a671c66a5ff1be08bf1233d1480be387_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ = "_IakrnEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib\ = "{363846B2-AEE5-47B1-8B32-9356DCCE91CA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\TypeLib\ = "{363846B2-AEE5-47B1-8B32-9356DCCE91CA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ = "Iakrn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\ = "akrn TL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ = "_IakrnEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer\ = "QXK.Rhythm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID\ = "{052C54A4-6CB7-426C-BB6C-C4BD98786E40}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib\ = "{363846B2-AEE5-47B1-8B32-9356DCCE91CA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\VersionIndependentProgID\ = "QXK.Rhythm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{052C54A4-6CB7-426C-BB6C-C4BD98786E40}\ProgID\ = "QXK.Rhythm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5940732E-C5D3-4782-B82D-81187EBBBC63}\TypeLib\ = "{363846B2-AEE5-47B1-8B32-9356DCCE91CA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\ = "QXK"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a671c66a5ff1be08bf1233d1480be387_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{363846B2-AEE5-47B1-8B32-9356DCCE91CA}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0736D321-2636-4C69-A6B8-A4FABE43CE41}\ = "Iakrn"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4764	1636	regsvr32.exe	84
PID 1636 wrote to memory of 4764	1636	regsvr32.exe	84
PID 1636 wrote to memory of 4764	1636	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a671c66a5ff1be08bf1233d1480be387_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a671c66a5ff1be08bf1233d1480be387_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4764

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

Replay Monitor

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Downloads

memory/4764-0-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

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