asyncrat | 970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800

Analysis

max time kernel
103s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 11:43

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General

Target

970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe
Size

569KB
MD5

a2394da8278d3f6809953b56dd204af5
SHA1

4d051f54e91cce1b676226871deb0102862c77da
SHA256

970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800
SHA512

a1ee4fc1684e7e544b5e7017cef2eaa085839eac96497697cbde7b006af5c197aa50e426dd464f0760048405dacf865d133187e3f2eb6339cb5689baa8274f4f
SSDEEP

6144:PC4w8juap56y9dg4sIo9ZCf6YRZDYooV3FtlyPG4wYeVKiEgQaratgM/:Knapvg4sz9dYRZsx1tvpEVar3M/

Score

10^/10

asyncrat 1 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

185.157.160.136:1973

Mutex

df4Rtg34dFjwr7ujp3

Attributes

delay
38
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mk = "C:\\Users\\Admin\\AppData\\Roaming\\gh\\hn.exe"	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99
PID 2896 wrote to memory of 836	2896	970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe	99

C:\Users\Admin\AppData\Local\Temp\970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe
"C:\Users\Admin\AppData\Local\Temp\970e81aeea72951190a05b9584ec9c9032c0092cfa93044fdc2d15470dbdc800.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:836

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/836-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/836-5-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/836-6-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/836-7-0x0000000074390000-0x0000000074B40000-memory.dmp

Filesize
7.7MB

Download
memory/836-8-0x0000000074390000-0x0000000074B40000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads