flawedammyy | 1831806fc27d496f0f9dcfd8402724189deaeb5f8bcf0118f3d6484d0bdee9ed

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
23-08-2023 09:00

Target

AA_v3.exe
Size

755KB
MD5

11bc606269a161555431bacf37f7c1e4
SHA1

63c52b0ac68ab7464e2cd777442a5807db9b5383
SHA256

1831806fc27d496f0f9dcfd8402724189deaeb5f8bcf0118f3d6484d0bdee9ed
SHA512

0be867fce920d493d2a37f996627bceea87621ba4071ae4383dd4a24748eedf7dc5ca6db089217b82ec38870248c6840f785683bf359d1014c7109e7d46dd90f
SSDEEP

12288:XVFUEuNmwvGrw9i0aTGRGicBckyyFRtWY1i3FTsvOVV0gz:3UEUUw9RaTNicBrPFRtJ1iVTsC5z

Score

10^/10

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

Modifies data under HKEY_USERS 7 IoCs

Processes:

AA_v3.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	AA_v3.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d56736608796e5f5e4c1059539718307ae88ab16b	AA_v3.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 4da119c70e013c56484e3d68284df99f4aa12ffd84da45ccc3cd941a8f0716b260c3fb9731c84ccc87a2f05344a3eaf6d4772ae897276f92faaa54bbee6025f6e91f87a7	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	AA_v3.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AA_v3.exe

pid	Process
1088	AA_v3.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AA_v3.exe

pid	Process
1088	AA_v3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

AA_v3.exe

description	pid	Process	procid_target
PID 2588 wrote to memory of 1088	2588	AA_v3.exe	29
PID 2588 wrote to memory of 1088	2588	AA_v3.exe	29
PID 2588 wrote to memory of 1088	2588	AA_v3.exe	29
PID 2588 wrote to memory of 1088	2588	AA_v3.exe	29

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
1⤵
PID:2136

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
  "C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1088

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
2ea6e717aa9de5c97d20a654973ece01

SHA1
2130bbf537bc508d58ffde34387ce054875f9f40

SHA256
1e7fafb9d8b75b2fdb8669d68dd889df9e0add8a9c0b4fe2d5c960043fdb8ff8

SHA512
8529254451e38d1f1bad9452cda23733029e2ea5d459b2f2df9f5a01dada1dd3c55c4278e096f18ddaf15c57fc1be9eda17f4e80e6ec5a05b1a556d4f9d3892d

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
a90f5222576245328c5a40d422d760f4

SHA1
56993f8b9c4dc2535b7a3bf41323f0e2fd2f30ce

SHA256
6f1a86168a85b8e5090408dd10a1c22ba1cfb11c0110ca5299046817e06bae21

SHA512
bed621c47476cd6e1676678eb45a509bbbae249cb236b9ae7f47bc8b8838f334c5337cf3878ee7d2a4cc1fe3520187a7402b1c99c9d26cb2adaa5dc674ea651a

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit