asyncrat | d7f1777e338ff75532c01ef6fb8dd7bdf6fcba46d8ed8c7eba15f34e464b1d21

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 21:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

AsyncRAT/Stub/Stub.exe
Size

38KB
MD5

f76702fa423ce2b2b4b0fdcf547b0789
SHA1

ea408a4419e8a3139ef14df987608964c12d3190
SHA256

0e19cefba973323c234322452dfd04e318f14809375090b4f6ab39282f6ba07e
SHA512

03c7d8814687bb4f11ac41a555f368d89d5be749c92624073b77da0e57d872df201f2657b180ad0c9d5bc9ffa0a85989bf31374c7e5deefa06cf36bce3697971
SSDEEP

768:9Xaug0LrCc4d7VtOjkR26/XgNhKwEuyj67zACVyI1rXDjkY5Z07:dafSuVtOGfgTKwt3Nk7

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	2012	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	Stub.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2068	2012	Stub.exe	30
PID 2012 wrote to memory of 2068	2012	Stub.exe	30
PID 2012 wrote to memory of 2068	2012	Stub.exe	30
PID 2012 wrote to memory of 2068	2012	Stub.exe	30

C:\Users\Admin\AppData\Local\Temp\AsyncRAT\Stub\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncRAT\Stub\Stub.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 516
  2⤵
  - Program crash
  PID:2068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2012-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000F00000-0x0000000000F10000-memory.dmp

Filesize
64KB

Download