5a2224e224d80ea6d11e69c62853975e961e1a2d43f6f9ba0399c835a5d413f3

Analysis

max time kernel
133s
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
16/08/2024, 23:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

a069da44e6f727e3a4301c2686fb3a0a_JaffaCakes118.dll
Size

69KB
MD5

a069da44e6f727e3a4301c2686fb3a0a
SHA1

61f63d18ae7feb33e620729e2c4672475aceab7c
SHA256

5a2224e224d80ea6d11e69c62853975e961e1a2d43f6f9ba0399c835a5d413f3
SHA512

80f989e499042878f82498fb79457e8626e691bdba29f99379c6178f44f965d2c69479ae0dab18f766688a4f5b0902d866771a803a0f548b66db573ba0d5e2f4
SSDEEP

1536:xgjq9RyNbl93mwuezuTA3g8lq6d/DMLB+t1snPJ2UqXpI5E+XDQPu:x8+yF3mnezZJlq6IctaIg5E+Xt

Score

7^/10

adware discovery stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3756-0-0x0000000010000000-0x0000000010038000-memory.dmp	upx

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\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}	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 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw\CurVer\ = "Shdocvw.Shdocvw.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\ProgID\ = "Shdocvw.Shdocvw.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw.1\ = "Shdocvw Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw\ = "Shdocvw Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\VersionIndependentProgID\ = "Shdocvw.Shdocvw"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\ = "shdocvw 3.0 Library Type"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib\ = "{FFFFEECE-FFF8-8222-2FB0-2935B9081112}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib\ = "{FFFFEECE-FFF8-8222-2FB0-2935B9081112}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\ = "Shdocvw Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a069da44e6f727e3a4301c2686fb3a0a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A069DA~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FFF8-8222-2FB0-2935B9081112}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FFF8-8222-2FB0-2935B9081113}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw.1\CLSID\ = "{FFFFEECE-FFF8-8222-2FB0-2935B9081111}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shdocvw.Shdocvw	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FFF8-8222-2FB0-2935B9081111}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 3756	4744	regsvr32.exe	84
PID 4744 wrote to memory of 3756	4744	regsvr32.exe	84
PID 4744 wrote to memory of 3756	4744	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a069da44e6f727e3a4301c2686fb3a0a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a069da44e6f727e3a4301c2686fb3a0a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3756

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

Loading Replay Monitor...

Downloads

memory/3756-0-0x0000000010000000-0x0000000010038000-memory.dmp

Filesize
224KB

Download