acbe12c0cf239709b9bbf4de4455206604501d52840362bd4187a183332146e0

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 16:54

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General

Target

8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll
Size

161KB
MD5

8b2e841d407f2c48c7aa13824de20366
SHA1

ebdac406a936c9c4526bcd4083ee14e911b94ee0
SHA256

acbe12c0cf239709b9bbf4de4455206604501d52840362bd4187a183332146e0
SHA512

aec1ea297208d414c2b1512f566a3a88e9d025b024d3e330e210ccd7e28e9b75e879a65c594406d23d60e796a92eea854f7250f1f0f147a23fcede44cd9cf0fa
SSDEEP

3072:P3HkmvfTbr396HM0XU+aDembri59tuvdZhhL/H0XpmT9T7/xqEv+/nIdtNu:ZXT/n+aCP0vdZhhL0MTZ/cMpI

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 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30
PID 1920 wrote to memory of 1328	1920	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1328

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/1328-0-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

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memory/1328-2-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

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memory/1328-1-0x000000001000D000-0x000000001000E000-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