2e58870819b0a43da324eaaf1eefdb5fe4ed258518415e763c9a67396452d954

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 07:08

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General

Target

3c6b3ab4e8ef1646babb77e73ebb877f_JaffaCakes118.dll
Size

186KB
MD5

3c6b3ab4e8ef1646babb77e73ebb877f
SHA1

3f5c742b06f5b518144d7b2496bac91967dd15f0
SHA256

2e58870819b0a43da324eaaf1eefdb5fe4ed258518415e763c9a67396452d954
SHA512

bc65ea001c53a0af3c0a91af55a635755b1ef24cc6b3d14cbded6de5f93f9952900ac19b0fd699646b46d7b6a377c0c3954af2dc47a621f42888cfec2d0842f9
SSDEEP

3072:Ws3GL4dXzUaNGxDEQkw97bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7emBJ:Ws3gUXzUaNqQRwhwvP6bQ7yMP+DE827z

Score

6^/10

bootkit 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

Modifies registry class 17 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2771A91E-1901-40F0-A26E-42246DD4BC78}\ = "loader_a"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\ = "loader_a 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_a.DLL\AppID = "{2771A91E-1901-40F0-A26E-42246DD4BC78}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2771A91E-1901-40F0-A26E-42246DD4BC78}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_a.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{893655B1-4B89-486B-AB8C-307A0DE26C7D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3c6b3ab4e8ef1646babb77e73ebb877f_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30
PID 1760 wrote to memory of 2696	1760	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3c6b3ab4e8ef1646babb77e73ebb877f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3c6b3ab4e8ef1646babb77e73ebb877f_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:2696

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2696-2-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download
memory/2696-1-0x0000000000240000-0x0000000000270000-memory.dmp

Filesize
192KB

Download
memory/2696-0-0x0000000074B00000-0x0000000074B47000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads