flawedammyy | 42b1ae153366264dc556bcf909ade649caeb796151458e1096a3087b1c956c7e

Analysis

max time kernel
1s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 16:27

Target

Ammyy Admin Corporate v3.5.exe
Size

746KB
MD5

2fcbad97d4443200c6d103b7474466f0
SHA1

a94db856006bbf526d57217ff4d4b2f73ee53f7c
SHA256

4ce31888140938c0409b7bd9bd46914232fc2d490181eb8ceb74941056a2b765
SHA512

56c093e09ecab1e9a99b99638591fdd4824ce84e68e7daddc228d1e479a8d51304ed8d72b511cdb4ec74292d0a0bb42ff02761001f0296503aca7c0e66565516
SSDEEP

12288:PUYiJqMH2OwlaUPcWWwTXZV8f64RteVpN5ETMasTjcP6gX:ziJJWOwlaUPcWWwDZb4Rt+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

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	Ammyy Admin Corporate v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	Ammyy Admin Corporate v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	Ammyy Admin Corporate v3.5.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	Ammyy Admin Corporate v3.5.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Ammyy Admin Corporate v3.5.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Ammyy Admin Corporate v3.5.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Ammyy Admin Corporate v3.5.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4048	Ammyy Admin Corporate v3.5.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4048	Ammyy Admin Corporate v3.5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 4048	4064	Ammyy Admin Corporate v3.5.exe	21
PID 4064 wrote to memory of 4048	4064	Ammyy Admin Corporate v3.5.exe	21
PID 4064 wrote to memory of 4048	4064	Ammyy Admin Corporate v3.5.exe	21

C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe
"C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe"
1⤵
PID:3052

C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe
"C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe
  "C:\Users\Admin\AppData\Local\Temp\Ammyy Admin Corporate v3.5.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4048

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
21de687dec42b1fb541bddcb4bb766ed

SHA1
6d5609b483e263ce0181b621d6c89589727069c2

SHA256
57a2cf35bdec6b76d52ed9e62498789a7c824cfe8edfdb3cff960996e09c91d5

SHA512
7ce0ce78bcecbb8a793917d18ac52269ba56f015b05aaa4ed9643a74d5c7ab488b8671e75279f185ff5b7427a48087261e339257352bc93cda393f2429e72e16

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit