77fe616a6434acc0da921991b5e4c717a0ff5d33140fa08227db3f86ef2a5c54

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 03:30

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General

Target

f034382902072ccd38968c9a99e6f946_JaffaCakes118.dll
Size

181KB
MD5

f034382902072ccd38968c9a99e6f946
SHA1

db0dc5881133e4b7fdadd162f81f133a07cc42cb
SHA256

77fe616a6434acc0da921991b5e4c717a0ff5d33140fa08227db3f86ef2a5c54
SHA512

507cba81f8838a2a6f138973bf1826e7c4bfff8ad5f23013efa3658a96152b3540ef29556ca5b1f0d96afd5262354a64be8260a0ee54f4dea28571ec49d03c0e
SSDEEP

3072:pedAhmwBOUCApK4J3C9uKArMbbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7D:peQ/NhCIzrCwvP6bQ7yMP+DE827sOv

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	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\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\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader"	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\ = "loader 1.0 Type Library"	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\\f034382902072ccd38968c9a99e6f946_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\.key\ = "regfile"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28
PID 2756 wrote to memory of 2180	2756	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f034382902072ccd38968c9a99e6f946_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f034382902072ccd38968c9a99e6f946_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:2180

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/2180-2-0x0000000000330000-0x0000000000333000-memory.dmp

Filesize
12KB

Download
memory/2180-1-0x00000000001B0000-0x00000000001E0000-memory.dmp

Filesize
192KB

Download
memory/2180-0-0x0000000010000000-0x0000000010044000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads