flawedammyy | 0a3f9c54fca6da0147b6b29f0d2d67341ac46d6b5d6116c01a2cbe2d1474b0d1

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
20-09-2023 06:42

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General

Target

Device/HarddiskVolume3/Users/WissamIH/AppData/Local/Microsoft/Edge/User Data/Default/Cache/Cache_Data/f_000d12.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	f_000d12.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	f_000d12.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2740	2012	f_000d12.exe	29
PID 2012 wrote to memory of 2740	2012	f_000d12.exe	29
PID 2012 wrote to memory of 2740	2012	f_000d12.exe	29
PID 2012 wrote to memory of 2740	2012	f_000d12.exe	29

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe
"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:1660

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe
"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe
  "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\WissamIH\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000d12.exe"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2740

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

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Downloads

C:\ProgramData\AMMYY\settings3.bin

Filesize
327B

MD5
52f371dd4820f6fd42d0e6fdc7cd4d32

SHA1
2ffc7a7e48cf7df170337a82a769ab2cd17a6b83

SHA256
acfe9ba962f6beb23f5cf6a0e7a2835ea47f4442c2bba60d272792dc83af2c7e

SHA512
39734fc62cbc9d4258228a71e3c57a1085615405a07d885555681f628fa3d2b0e14c6f28b358d4491a95941bc086ae4b6d876103c309d8d3fcf941983fa94562

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads