asyncrat | e93dfc863296c11c0c7faf29cbbdd88b1f94c13dc480d4094ab4a8172292ed40

Analysis

max time kernel
38s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/11/2026, 15:30

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General

Target
new88a3.online.exe
Size 56KB
Sample261102-sxtljsxt2n
SHA256 e93dfc863296c11c0c7faf29cbbdd88b1f94c13dc480d4094ab4a8172292ed40
MD5 b08ae8990ae77e68bfccb51eecc8388e
SHA1 f7094633a279262777a3dcba0bfcedbe4333c293
SHA512 04bef8d39e1de759c8c473c0d44c2cfb33387f8c88ddf849bebfcedef7dc1b60d61fb91383e2c616f35f8319c01983ef2556afa9ffa6c3dc57e68c5c58ddcfef
SSDEEP 1536:erdhcPCmdXESfrbRXSuhVmVLykejNUHLi/:6d2ESfrbRJhVmAkINX/
TLSH
T178435C003BE8912BF67E4B78A9F221444679F2673603E99D2CD050DB5623FC6DA436ED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

new88a3.online:443
new88a3.online:8848
new88a3.online:8080

Mutex

tnItZRPvsahz

Attributes

delay
3
install
true
install_file
GoogleChrome.exe
install_folder
%AppData%

aes.plain

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4768	4876	WerFault.exe	84

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	new88a3.online.exe

C:\Users\Admin\AppData\Local\Temp\new88a3.online.exe
"C:\Users\Admin\AppData\Local\Temp\new88a3.online.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 756
  2⤵
  - Program crash
  PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4876 -ip 4876
1⤵
PID:4404

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/4876-0-0x00000000001F0000-0x0000000000204000-memory.dmp

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