flawedammyy | ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a

Analysis

max time kernel
104s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 15:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
Size

798KB
MD5

90aadf2247149996ae443e2c82af3730
SHA1

050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512

eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
SSDEEP

24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN

Score

10^/10

flawedammyy bootkit discovery persistence trojan

Malware Config

Signatures

FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
trojan flawedammyy
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

Processes:

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

description ioc process

File opened for modification \??\PhysicalDrive0 ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exeee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exeee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

description	pid	process	target process
PID 4340 wrote to memory of 2208	4340	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
PID 4340 wrote to memory of 2208	4340	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
PID 4340 wrote to memory of 2208	4340	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
PID:2804

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe" -service -lunch
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
  "C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2208

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\AMMYY\settings3.bin

Filesize
334B

MD5
66db4112d39d1ce22d6babe2373fed7a

SHA1
f41694ce79e2b7060eb4effb5a8ea77c111adf49

SHA256
ad9168a1827737ab78af56e7c76afcb3c6011df3c8cb30f3bc2280bcd61e90fa

SHA512
9837392eaac38133105802da1af3312f842a63761ce73ce5c72e804762cade6d239aeca70534dfebc527b9bb24aa1bb3dc1c99753b4843b9c2b2c2135915597c

Download Submit