flawedammyy | 553d2f7a372c37f11870bcfc9cd923037b45ac97a130697064549f48e81ac29e

Analysis

max time kernel
150s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 14:54

Target

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Size

735KB
MD5

3aafebbf1591363029b868c1b664b808
SHA1

7f213071dd178ec31afe1c8a443f817fce50b233
SHA256

553d2f7a372c37f11870bcfc9cd923037b45ac97a130697064549f48e81ac29e
SHA512

8fcd5bacbdc5aed3c48420fcbd3ea5a4a8a0a5c81ab043addbd8b2e559f8a9580b6bbdd513273d6075f69f04f52f6d413941095895c9a06677e61e0ab201b596
SSDEEP

12288:7c0dZib4t9uOroAgUHvCUt4RtlTc+YNKpQsNvVd6gr:7c/UtwOrZgUHv54Rt6+YNkQsNnr

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:

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

Modifies data under HKEY_USERS 9 IoCs

Processes:

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d567366087c69585c40145253d567496b34fbb26b	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 9fb155511ad882052f8c3a1eeb2de6270fe0a7a186dc1b3b9a4c52074fc3ef16d1b7b4f33740e333c1a8edfd4baf229ca5194b2d291b680e0752736c0b5b459aea885681	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

pid	Process
4848	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

pid	Process
4848	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1708 wrote to memory of 4848	1708	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe	83
PID 1708 wrote to memory of 4848	1708	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe	83
PID 1708 wrote to memory of 4848	1708	3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe"
1⤵
PID:1200

C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3aafebbf1591363029b868c1b664b808_JaffaCakes118.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4848

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
44ccad06c62e9364ccae7ce065df5550

SHA1
31e904ace28badd0a2582ce974c2e8e259a18316

SHA256
03567e5b7fb55c30f1754284d0bf842091c4cbea360c2386fc348707e782f296

SHA512
25e2b1f052b151bb9573567ba44004e4803454ac81549c4bde284f4ee8e668d72f06025271d94970568a5742ff12e2fc715500aa78ebdadf0d556bf0105845ad

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
3cf002a5e82776e5d2e713d03159a115

SHA1
4ef92ed9c6496d8f8e504b5deeb3e35252089324

SHA256
88a73cee3274b65bffb44ca5e77ab83737dc1a24dd8e030fc0efbd932c7680cc

SHA512
c3f25cf837e2bba44dff29c465840b5105fab812ecb2853038a2013c882b8b0cbc9703f256c57e067df0cae176db00ad385a119262afdc6abcd1a78ad3e40fb6

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit