flawedammyy | d52862ff3e0511f67cb460107a81415926263366f9a6b2504442ea5314458161

General

Target

AA_v3.5_Corporate.bin.exe
Size

751KB
MD5

4d853025b8cd8c725bf78e3df6cce967
SHA1

c6bff7857fdf33cbd8f052ef5d669675e5cf06f8
SHA256

4f648c95b8c832742b8b43f4e70689d0ef0328841744858c75d0a4e98fda5ff8
SHA512

977e43eaa763cc66114e00a615818c66a84a5a47bac1cdf21eff9f8f1dcebf138d8ede823265a2f30807d648c57bf036818254964358691d3f9a013f930705cf

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 5 IoCs

Processes:

AA_v3.5_Corporate.bin.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	AA_v3.5_Corporate.bin.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	AA_v3.5_Corporate.bin.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	AA_v3.5_Corporate.bin.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	AA_v3.5_Corporate.bin.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	AA_v3.5_Corporate.bin.exe

Modifies data under HKEY_USERS 9 IoCs

Processes:

AA_v3.5_Corporate.bin.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	AA_v3.5_Corporate.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	AA_v3.5_Corporate.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	AA_v3.5_Corporate.bin.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	AA_v3.5_Corporate.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	AA_v3.5_Corporate.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	AA_v3.5_Corporate.bin.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	AA_v3.5_Corporate.bin.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d567366097d6c5e5c48155253416558f4609fbe6b	AA_v3.5_Corporate.bin.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = b1848591b070d98126a0377f7627bd707e319f65b23ab07913b448ece9f7e98f050fbbd53849d68ee4b00dcf98b41a16c3b7112056e59cab735b17cc43b9bd78	AA_v3.5_Corporate.bin.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AA_v3.5_Corporate.bin.exe

pid process

584 AA_v3.5_Corporate.bin.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AA_v3.5_Corporate.bin.exe

pid process

584 AA_v3.5_Corporate.bin.exe

pid	process
584	AA_v3.5_Corporate.bin.exe

pid	process
584	AA_v3.5_Corporate.bin.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

AA_v3.5_Corporate.bin.exe

description	pid	process	target process
PID 3204 wrote to memory of 584	3204	AA_v3.5_Corporate.bin.exe	AA_v3.5_Corporate.bin.exe
PID 3204 wrote to memory of 584	3204	AA_v3.5_Corporate.bin.exe	AA_v3.5_Corporate.bin.exe
PID 3204 wrote to memory of 584	3204	AA_v3.5_Corporate.bin.exe	AA_v3.5_Corporate.bin.exe

C:\Users\Admin\AppData\Local\Temp\AA_v3.5_Corporate.bin.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.5_Corporate.bin.exe"
1⤵
PID:1044

C:\Users\Admin\AppData\Local\Temp\AA_v3.5_Corporate.bin.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.5_Corporate.bin.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:3204

C:\ProgramData\AMMYY\hr
MD5
ca904b9a6a2896172ac279bab9d97e1e

SHA1
2e1e660fc0dbfb225a0f9c0c552639317e13055a

SHA256
05fa3419e8642ddf5ebd6471780e1a1b22c5106cc8a1dbe6d64241bd57a44d77

SHA512
28b5dee710499ca4f1779676c48c1243e5f69161462b0f5553238ff404e3e498ebbe51cb63e6d8d621ca5da9fae3bf1b431e3ab8c62a54e401b00e9bcadc3f80

Download Submit
C:\ProgramData\AMMYY\hr3
MD5
d53c811e188cebb62764773b31e83c01

SHA1
de21bb9ff1e7b43f4f8046404be973efc76a836e

SHA256
b852e034b2b55533a2a8d1289a4f80f772347008a150b9fa75608606ba3c1f36

SHA512
d9f065e617c825c1cca43d63fb0775b7261c4c1f50bd44e7ddc95d522ad2941e323361c9f5769972cb0fa2f970a23918f06b2426d882d59ca096cf4498fb6140

Download Submit
C:\ProgramData\AMMYY\settings3.bin
MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit
memory/584-0-0x0000000000000000-mapping.dmp

Download