asyncrat | 3f04d3267f818beec7a5f29a7780282bdf862a71669230b796b77700a494b55d

Resubmissions

21-01-2025 11:24

250121-nh1zvs1qak 10

10-01-2024 21:28

240110-1ba63sgfdp 10

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10-01-2024 21:28

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General

Target

163.5.169.28/fd1.exe
Size

649KB
MD5

b9a42052c81229de87b90370c7e8ef56
SHA1

8253ef8fe65f68ea7e0cc11bcdc06ec91c8d3290
SHA256

2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b
SHA512

0e6a1b3d66c2401f8b8d5f8b2cae7d4912fa73565faf4c21686caa63a0d81eda952d6070edb57e7577c15c896caff3e52a6671713cfaa13ed21bab7accb86755
SSDEEP

12288:tOSF/ZdMP5WlYj6Fs/HI6C96D7cyTZ33a33S333333dkS9Jy9:tLrMPkDFB6+2NkeO

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

5.182.87.154:4449

Mutex

jiqsvporltpvroy

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dzodxh = "C:\\Users\\Admin\\AppData\\Roaming\\Dzodxh.exe"	fd1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2972	1960	fd1.exe	23

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe
2972	fd1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	fd1.exe
Token: SeDebugPrivilege	2972	fd1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2972	fd1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23
PID 1960 wrote to memory of 2972	1960	fd1.exe	23

C:\Users\Admin\AppData\Local\Temp\163.5.169.28\fd1.exe
"C:\Users\Admin\AppData\Local\Temp\163.5.169.28\fd1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\163.5.169.28\fd1.exe
  C:\Users\Admin\AppData\Local\Temp\163.5.169.28\fd1.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-0-0x0000000000D30000-0x0000000000DD8000-memory.dmp

Filesize
672KB

Download
memory/1960-2-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1960-3-0x0000000000390000-0x0000000000410000-memory.dmp

Filesize
512KB

Download
memory/1960-4-0x0000000000410000-0x0000000000444000-memory.dmp

Filesize
208KB

Download
memory/1960-5-0x00000000005D0000-0x0000000000604000-memory.dmp

Filesize
208KB

Download
memory/1960-1-0x0000000000240000-0x000000000028C000-memory.dmp

Filesize
304KB

Download
memory/1960-6-0x0000000000610000-0x000000000065C000-memory.dmp

Filesize
304KB

Download
memory/1960-18-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-19-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-20-0x000000001AC60000-0x000000001ACE0000-memory.dmp

Filesize
512KB

Download
memory/2972-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2972-12-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2972-9-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2972-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2972-21-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2972-22-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-23-0x000000001AC60000-0x000000001ACE0000-memory.dmp

Filesize
512KB

Download
memory/2972-24-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download