873e68f864e018883b0df0c84a2e75b2f387b16636fbd51c28ead4be93daa45c

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 00:26

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General

Target

df292fe1697597e75c0e847af57041b1_JaffaCakes118.dll
Size

752KB
MD5

df292fe1697597e75c0e847af57041b1
SHA1

431d6c10e4da94dab6d9be3d982338bfcdd5256b
SHA256

873e68f864e018883b0df0c84a2e75b2f387b16636fbd51c28ead4be93daa45c
SHA512

e219bbea64370945beb58b26cd954a927df5b1793d0d469da401bf4ccc15a6178f612f0fe1398a3fda0df2d2b1f3cd2242603426d29e33b7211cbaaa85494fec
SSDEEP

12288:5vFwYP1GOWBGEjMaIYNh6F2+ZMFfT/CbAbZk9D783BRMnzGXeOVwHuFh:dFwYP19EXZNQ1MFfT/CbAlHxi+Kk

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	regsvr32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4444	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 45 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\df292fe1697597e75c0e847af57041b1_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\VERSION	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib\ = "{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\winwriter.sampleclass\ = "winwriter.sampleclass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\winwriter.sampleclass\Clsid\ = "{EC746D18-AA14-4919-A2AF-64084DEC9504}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ = "sampleclass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\ = "winwriter.sampleclass"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\ProgID\ = "winwriter.sampleclass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ = "_sampleclass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\TypeLib\ = "{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\df292fe1697597e75c0e847af57041b1_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\TypeLib\ = "{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\winwriter.sampleclass	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\winwriter.sampleclass\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ = "_sampleclass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\ = "winwriter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8E6D770C-3C96-4124-8A1C-1DFCD74A282E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5659116-E81E-426A-BF8E-E8F396718DF2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC746D18-AA14-4919-A2AF-64084DEC9504}\VERSION\ = "1.0"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	regsvr32.exe
4444	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 4444	852	regsvr32.exe	83
PID 852 wrote to memory of 4444	852	regsvr32.exe	83
PID 852 wrote to memory of 4444	852	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\df292fe1697597e75c0e847af57041b1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\df292fe1697597e75c0e847af57041b1_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4444-0-0x0000000011000000-0x00000000111E2000-memory.dmp

Filesize
1.9MB

Download
memory/4444-1-0x00000000013A0000-0x000000000143D000-memory.dmp

Filesize
628KB

Download
memory/4444-2-0x0000000077EB4000-0x0000000077EB6000-memory.dmp

Filesize
8KB

Download
memory/4444-3-0x0000000011001000-0x000000001101B000-memory.dmp

Filesize
104KB

Download