asyncrat | 4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d

Analysis

max time kernel
12s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 20:02

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General

Target

4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe
Size

37KB
MD5

dd166b1e10a88a0801682db52ef8a3c5
SHA1

bf631996c6f475c20a3a2863b5b2673b3f5e7915
SHA256

4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d
SHA512

1e7867e5a332761be3b115d4d84efec9bdfc7277f15179cf72d592ec71d5403f58d60cb0837a48b816bf1efaa8becdf0eb1658815f3de393a5407ff9bbcb2ae6
SSDEEP

768:4xOUWIVihPqxwFmExBB2ehrnp5DC0wtg+0i/W3Pof+:4xOUWUgmQthr7W0V9IW/of+

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
2304	1992	WerFault.exe	30

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	4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2304	1992	4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe	31
PID 1992 wrote to memory of 2304	1992	4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe	31
PID 1992 wrote to memory of 2304	1992	4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe	31
PID 1992 wrote to memory of 2304	1992	4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe	31

C:\Users\Admin\AppData\Local\Temp\4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe
"C:\Users\Admin\AppData\Local\Temp\4031ef767571ba79ea6068637d80f6e033b2d96c3252623467c18bf9cc63e49d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 540
  2⤵
  - Program crash
  PID:2304

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

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Downloads

memory/1992-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000000F10000-0x0000000000F20000-memory.dmp

Filesize
64KB

Download