flawedammyy | 1bac901d570725c59941c9164ca32fde855608e99f6d1819bc40bcd7ae9183cc

General

Target

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Size

746KB
MD5

f8cd52b70a11a1fb3f29c6f89ff971ec
SHA1

6a0c46818a6a10c2c5a98a0cce65fbaf95caa344
SHA256

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20
SHA512

987b6b288a454b6198d4e7f94b7bba67cafe37f9654cd3cd72134a85958efd2125596ae48e66a8ee49ee3f4199dac7f136e1831f2bf4015f25d2980f0b866abe
SSDEEP

12288:PUYpJqMH2OwlaUPcWWw5XZV8f64RteVpN5ETMasTjcP6gX:zpJJWOwlaUPcWWwRZb4Rt+N5WMasHoX

Score

10^/10

flawedammyy trojan

Malware Config

Signatures

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:

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

Modifies data under HKEY_USERS 9 IoCs

Processes:

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = cdbfe6aca5d518ec0bdc264e18cae3eb0b39eccabc12289b6ce4fcfe8be1cee67a83910ea94b6f76e52419186b47a52a2f9466fe1466ddf69d3e7af8f2f0f97700452216	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d56736608796d5b5b4e1552531f2fe3aa3e7bb26b	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

pid process

1768 6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

pid process

1768 6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

pid	process
1768	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

pid	process
1768	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

description	pid	process	target process
PID 1420 wrote to memory of 1768	1420	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
PID 1420 wrote to memory of 1768	1420	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
PID 1420 wrote to memory of 1768	1420	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe	6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe

C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
"C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe"
1⤵
PID:3248

C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
"C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1420

C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe
"C:\Users\Admin\AppData\Local\Temp\6f2258383b92bfaf425f49fc7a5901bfa97a334de49ce015cf65396125c13d20.exe"
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
22f784067541187933d35a5b96eaa760

SHA1
27ea88394a07f26c754000e9bd978accc8c6535d

SHA256
753573f0c0e67d536f0021860914586c0b29ad744e65ca4afb8daf7bd3494329

SHA512
ea16bbb8a11753e14244146f7760a32ff571a7542cc19af23f5eaa0cf63e22ccce0915c11e68f867f48eae3cfc59075eb8eb7b0d4cd38e617cb733118274f7a0

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
32ab3de2e311a5c20a07af98d185f029

SHA1
342b41b34d23fd68bd8deca6c578ce6071dfd3f5

SHA256
7a8febc62f95972bb71cb4557c111dec4f5293f7cd7a1b8997017f71c340d413

SHA512
b4cb02f5e67798aeffbde0f109f81adbd71523e19488a7799a24d25dc35414259b1ed16c626eda738db2fb74420a210e04467392915fa7b2deae5251dbcc706f

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads