f31ba17746d2187dd172f6605fde824b06fa358bcd53928270438adc73d66935

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 11:31

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General

Target

95ec82e0b1ab77b7519fc0f5d89db8e9_JaffaCakes118.dll
Size

161KB
MD5

95ec82e0b1ab77b7519fc0f5d89db8e9
SHA1

02f15477fa023c9843436471dfecbdb7fb2b8c7d
SHA256

f31ba17746d2187dd172f6605fde824b06fa358bcd53928270438adc73d66935
SHA512

387fce7e104346ed5b67e1bc3997a73d77d4b51a054944dbca51327e4eb9587753d9392d7cfd4f66ca8b76aa419dc680e7997e408babe7016c39c89d83cb3bb6
SSDEEP

3072:PGHJuVkmvfv/ze96HM0XU+aDembri59tuvdZhhL/H0XpmT9Cxyb66/HDZpuzQity:0J+Xv/Kn+aCP0vdZhhL0MTox+/DZpuzM

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	rundll32.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	rundll32.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30
PID 2052 wrote to memory of 1500	2052	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95ec82e0b1ab77b7519fc0f5d89db8e9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\95ec82e0b1ab77b7519fc0f5d89db8e9_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1500

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/1500-0-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

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memory/1500-2-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/1500-1-0x000000001000D000-0x000000001000E000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads