flawedammyy | ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a

Analysis

max time kernel
96s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-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

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

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

description	pid	Process	procid_target
PID 4444 wrote to memory of 4840	4444	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	81
PID 4444 wrote to memory of 4840	4444	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	81
PID 4444 wrote to memory of 4840	4444	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	81

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:1740

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:4444
- C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
  "C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4840

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
6f0ea79a22f27d9ac79ab35189b6e506

SHA1
0a01b187c3ef119395181cb4d89c5eb1157599fd

SHA256
9ea9e31789298cb06e50eebffd6446b2a2ed2acdeb3d192e93aa25d89041e068

SHA512
32b5d7790354c133235cf3dc4c5e1ba03b9e5bd5499b30d0113fb9327c2e96307a100455da368eab812f72445faf70fb1fb408108448160b714db6c171b8d30f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads