682b0e3b1c0cac0cc5b46a42c09a2e1b41c3b084b333d3aa5d062f9963b4f2c3

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 04:02

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General

Target

555f86513de4fb844827d3f830dfe79a_JaffaCakes118.dll
Size

338KB
MD5

555f86513de4fb844827d3f830dfe79a
SHA1

4994f2df4162d836e469ab2963747e6c4db2d129
SHA256

682b0e3b1c0cac0cc5b46a42c09a2e1b41c3b084b333d3aa5d062f9963b4f2c3
SHA512

7bdf1933227adc78b058b7309fe5a5c2413c33f1a7e49cd2e957f5171ea7f0a133375d9e4f13f27187ece6f9e4df0cc217704201649d53e718c76b841c6ad56c
SSDEEP

6144:5cFO8EIS9RrERWn+aC1meyUGimMG2V3l5QBOgfgHMQsWGOffjNhwar8JkS:5c/RS/IEW1meyUGpvOrQBXfg6DOjjw6e

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	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 48 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ = "shdocls"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib\ = "{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\flashobj.shdocls\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ = "_shdocls"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib\ = "{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\ProgID\ = "flashobj.shdocls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\TypeLib\ = "{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\VERSION\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\flashobj.shdocls\Clsid\ = "{B4523857-BE2B-47AB-BEFE-5F273C83FC81}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\ = "flashobj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ = "_shdocls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\555f86513de4fb844827d3f830dfe79a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\ = "flashobj.shdocls"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\555f86513de4fb844827d3f830dfe79a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\flashobj.shdocls	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\flashobj.shdocls\ = "flashobj.shdocls"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{32E312FB-4BEA-4989-AC55-B89FB1C72CE7}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4523857-BE2B-47AB-BEFE-5F273C83FC81}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F9E3AEC1-3FFA-4B62-BEDB-F359A6643551}\ProxyStubClsid	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31
PID 780 wrote to memory of 2296	780	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\555f86513de4fb844827d3f830dfe79a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\555f86513de4fb844827d3f830dfe79a_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2296-0-0x0000000011000000-0x00000000110E2000-memory.dmp

Filesize
904KB

Download
memory/2296-1-0x00000000005D0000-0x00000000005E6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads