asyncrat | a07479025c1100c57c7240d438305e85db5ea96d4d31f7103c3f27f044e19bd3

General

Target

payload.exe
Size

187KB
MD5

114cfb0a1a06cb6c621edfbe35c6de7d
SHA1

c8f44299a96807e741507423fae47e46afa8d434
SHA256

a07479025c1100c57c7240d438305e85db5ea96d4d31f7103c3f27f044e19bd3
SHA512

4540a0a25cb29a6aa7d296ca9a0ff2a19c28177cea2623e57b32ec22b356a4dd7744e5c95852dd5b83c9c1390664a6dbf2c9db3789b38c60e885e899ea12fe61
SSDEEP

3072:a4BXIEcFjraWaHC9dZa6y/WKiHCDF2s87j34Ih0TiRurbPaxR:hXKcXi9dZa6kWKrhKj/h0Tsuvc

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

64.112.85.3:4449

Mutex

ufaaryvntrlyhwcwq

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2224	3044	payload.exe	30

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe
2224	aspnet_regbrowsers.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	aspnet_regbrowsers.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2224	aspnet_regbrowsers.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30
PID 3044 wrote to memory of 2224	3044	payload.exe	30

C:\Users\Admin\AppData\Local\Temp\payload.exe
"C:\Users\Admin\AppData\Local\Temp\payload.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2224

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab22BF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar35F4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2224-13-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-17-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2224-16-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-112-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-9-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-7-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-5-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-4-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-3-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-18-0x000000001BF80000-0x000000001BF98000-memory.dmp

Filesize
96KB

Download
memory/2224-20-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-21-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-2-0x000000001BF80000-0x000000001BFA6000-memory.dmp

Filesize
152KB

Download
memory/2224-111-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-92-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/3044-1-0x0000000001280000-0x00000000012B4000-memory.dmp

Filesize
208KB

Download
memory/3044-0-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

Filesize
4KB

Download

Analysis

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