flawedammyy | 1b775f652ddda4985cdee327095f4506f9f0a4ebd876b9e8ab2010742e099147

Analysis

max time kernel
118s
max time network
132s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31-10-2023 14:03

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General

Target

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
Size

798KB
MD5

90aadf2247149996ae443e2c82af3730
SHA1

050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256

ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512

eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
SSDEEP

24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN

Score

10^/10

flawedammyy bootkit 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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2416	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2416	1292	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	29
PID 1292 wrote to memory of 2416	1292	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	29
PID 1292 wrote to memory of 2416	1292	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	29
PID 1292 wrote to memory of 2416	1292	ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe	29

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:2180

C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
"C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe
  "C:\Users\Admin\AppData\Local\Temp\ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a.exe"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2416

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\settings3.bin

Filesize
327B

MD5
eee25487e63ebac80dfa30d8329ad990

SHA1
a724b2707fdf97dec3db99796163883e2ef5a135

SHA256
95e08a9ca6170ba7ab8e1ced49880eb1c5b570ca3696b0fd0fc5aca947be4334

SHA512
898362e04cc04c1bd90d40edc227e31612704fd0c13b0700fee6fdfb3912cbd7b10d792537908b2e4b2cc70eac63969a91b5d7d7dac346328d6ae8db03e3b1a7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads