1558b7657ea33b55efc650c9aadac3cf005a0d5fe372021577a39f8cd4d9b0cf

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 20:04

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General

Target

ac63e56e529dc14dae53f1cfc41d1d17_JaffaCakes118.dll
Size

144KB
MD5

ac63e56e529dc14dae53f1cfc41d1d17
SHA1

2fa3f79648f5be4ff960e451ee53f5a6a242e9dd
SHA256

1558b7657ea33b55efc650c9aadac3cf005a0d5fe372021577a39f8cd4d9b0cf
SHA512

a62feb8570aa71a7d16966200d7bf92b6de35e1fec9ea528a5321e177f95abb1ac3349929980f2f67c3cf587137c5e50eb84e6a8b12d3984af53f388b93d4b0d
SSDEEP

3072:Rd8iQHqno6bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7v+xM:XBwvP6bQ7yMP+DE827WxM

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 13 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\ = "loader_c 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac63e56e529dc14dae53f1cfc41d1d17_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{13539089-270A-449C-8C6F-DEEBDA8C2A2E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30
PID 2372 wrote to memory of 2500	2372	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ac63e56e529dc14dae53f1cfc41d1d17_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ac63e56e529dc14dae53f1cfc41d1d17_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2500

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/2500-0-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/2500-1-0x0000000000490000-0x00000000004C0000-memory.dmp

Filesize
192KB

Download
memory/2500-2-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads