flawedammyy | 96feb1ddff0a9845114a0f963faf7740876135ac82c4102c35a40c36fa54cbd9

Analysis

max time kernel
152s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2023 11:23

Target

Device/HarddiskVolume6/UB_AHO_AG/albinopm/SCAN/Animol Lukose/jpeg/sent/AA_v3.5.exe
Size

746KB
MD5

f8cd52b70a11a1fb3f29c6f89ff971ec
SHA1

6a0c46818a6a10c2c5a98a0cce65fbaf95caa344
SHA256

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20
SHA512

987b6b288a454b6198d4e7f94b7bba67cafe37f9654cd3cd72134a85958efd2125596ae48e66a8ee49ee3f4199dac7f136e1831f2bf4015f25d2980f0b866abe
SSDEEP

12288:PUYpJqMH2OwlaUPcWWw5XZV8f64RteVpN5ETMasTjcP6gX:zpJJWOwlaUPcWWwRZb4Rt+N5WMasHoX

Score

10^/10

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

Drops file in System32 directory 4 IoCs

Processes:

AA_v3.5.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	AA_v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	AA_v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	AA_v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	AA_v3.5.exe

Modifies data under HKEY_USERS 9 IoCs

Processes:

AA_v3.5.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	AA_v3.5.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	AA_v3.5.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	AA_v3.5.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d56736608796d5b5b4e155253351c3f90c321b16b	AA_v3.5.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 7eae1902e0ee933d47a1dfd303a8b69e31b040de662f321e9ffcbf58fa13175c3a8a7fe07650d150d35f1812f51db6dae4f7e6c7c55b37092b074fedb9e636d5963a5cf1	AA_v3.5.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	AA_v3.5.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	AA_v3.5.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	AA_v3.5.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	AA_v3.5.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AA_v3.5.exe

pid	Process
2596	AA_v3.5.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AA_v3.5.exe

pid	Process
2596	AA_v3.5.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

AA_v3.5.exe

description	pid	Process	procid_target
PID 2956 wrote to memory of 2596	2956	AA_v3.5.exe	83
PID 2956 wrote to memory of 2596	2956	AA_v3.5.exe	83
PID 2956 wrote to memory of 2596	2956	AA_v3.5.exe	83

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe
"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe"
1⤵
PID:3600

C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe
"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe
  "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume6\UB_AHO_AG\albinopm\SCAN\Animol Lukose\jpeg\sent\AA_v3.5.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2596

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
9e28ef09f971f0c7bcae4adbef9e4a38

SHA1
9b76f205fe1578bb84ba9f52b3f5aecd361efdf4

SHA256
ce8526a0afdc97bffd183d91a53191dc73a431eb3fc5bbc64be6ef05f70fe4f6

SHA512
9007bbd75b2fa2d50eac2f9285c3dc9d695aa685cf7586ab18838910138fb740dcc92aacb41bcea7c5f98d9c6e8ef8949553588449e18c5eeb676cedafa2d78e

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
dff6585efc9293b6904f12975e11cde0

SHA1
60988904a406311c645f7786f37225a66ad1f4e7

SHA256
f12215e2fb0b960918d10dbfcd525c89e1861876091403521f02998c2a14f3da

SHA512
92bfa3bfd244b69fbda256bfb198da488c90680d9af1005011264e4c5c273ff0a1f88e550c4f5c4aae602c998b6c2395f0061b95627d2f41a389105a6338c159

Download Submit
C:\ProgramData\AMMYY\settings3.bin

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit