374b592d4a16870b57d5df9e4d3e39852f7644b30cb3ae2bc12bc0ea96281a20

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 07:54

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General

Target

2f8ac91996f2d9c90af2e74b5c352fbc_JaffaCakes118.dll
Size

182KB
MD5

2f8ac91996f2d9c90af2e74b5c352fbc
SHA1

150d3171c87d3a3e242eb683ebd1263f93e8a93f
SHA256

374b592d4a16870b57d5df9e4d3e39852f7644b30cb3ae2bc12bc0ea96281a20
SHA512

260c3140b66e3765bc3d6dbade352721787ed57cae0e5b2215d54ffd5d58d1c755c22bb43f0b314c606e6e62b179f72a55e18db967668afa1ee4503ae191c694
SSDEEP

3072:Ls/NoDc6LhKWGaot6cH+L6KyubbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVUo:0uDcGhKRtZO6kwvP6bQ7yMP+DE8270Ag

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\.key\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2f8ac91996f2d9c90af2e74b5c352fbc_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\ = "loader 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31
PID 2152 wrote to memory of 2012	2152	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2f8ac91996f2d9c90af2e74b5c352fbc_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2f8ac91996f2d9c90af2e74b5c352fbc_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:2012

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/2012-0-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/2012-1-0x00000000001F0000-0x0000000000220000-memory.dmp

Filesize
192KB

Download
memory/2012-2-0x00000000001D0000-0x00000000001D4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads